Hans Turck and KG TN902-Q120L130 UHF RFID read/write device User Manual Installation of the BLident UHF Systems
Hans Turck GmbH & Co. KG UHF RFID read/write device Installation of the BLident UHF Systems
Contents
- 1. Annex User Manual
- 2. User Manual
User Manual
USER MANUAL RFID-SYSTEM INSTALLATION OF THE BL IDENT® UHF-SYSTEMS Sense it! Connect it! Bus it! Solve it! 1 General Information ................................................................................................................. 5 1.1 Intended purpose of this documentation .............................................................................................. 6 1.2 Meaning of the symbols used ................................................................................................................ 6 1.3 Safety notes ........................................................................................................................................... 6 1.3.1 1.3.2 1.3.3 Intended use ................................................................................................................................................................................................7 Engineering/installation instructions for the product..................................................................................................................7 Safety instructions for RFID systems– minimum permissible distances ................................................................................7 – Minimum distances to the read/write head acc. to ETSI (Europe) ......................................................................................8 – Minimum distances to the read/write head acc. to FCC (USA) .............................................................................................8 1.4 TURCK Service ........................................................................................................................................ 8 1.5 Relevant documents .............................................................................................................................. 9 The TURCK BL ident® UHF System ........................................................................................... 11 2.1 BL ident® – Modular RFID system.......................................................................................................... 12 2.1.1 2.1.2 2.1.3 2.1.4 BL ident® system concept...................................................................................................................................................................... 12 BL ident® data carriers............................................................................................................................................................................. 12 BL ident® read/write heads ................................................................................................................................................................... 12 BL ident® interfaces.................................................................................................................................................................................. 12 – Gateways (BL20 and BL67) .............................................................................................................................................................. 12 – Interface modules: electronic and base modules .................................................................................................................. 13 – Combination of gateways and interface modules ................................................................................................................. 14 – BL compact interfaces ....................................................................................................................................................................... 16 2.2 Schematic representation of the BL ident® UHF identification system ................................................ 19 2.2.1 Networking with BL ident® UHF systems......................................................................................................................................... 20 2.3 Identification systems with radio frequency technology (RFID).......................................................... 20 2.4 Features and application areas of the BL ident® system....................................................................... 20 2.4.1 2.4.2 2.4.3 2.4.4 2.4.5 Degree of protection.............................................................................................................................................................................. 20 Lifespan....................................................................................................................................................................................................... 21 Transmission frequency ........................................................................................................................................................................ 21 Mounting types........................................................................................................................................................................................ 22 – Data carriers ......................................................................................................................................................................................... 22 – Read/write heads ............................................................................................................................................................................... 22 Memory....................................................................................................................................................................................................... 22 2.5 Read/write time in the sensing range of the UHF read/write head ...................................................... 22 2.6 User data areas of the UHF data carrier variants ................................................................................. 23 2.7 General information on the UHF data carriers..................................................................................... 23 2.7.1 2.7.2 Multiple access (multi-tag detection, bulk reading)................................................................................................................... 24 User data areas of the data carrier variants ................................................................................................................................... 25 – Overview of UHF data carriers with Impinj Monza® 3 chip ................................................................................................. 25 – Overview of UHF data carriers with Impinj Monza® 4D chip .............................................................................................. 25 – Overview of UHF data carriers with Impinj Monza® 4E chip ............................................................................................... 26 D101831 0713 BLident® Installation of the UHF System – – – – – – – Overview of UHF data carriers with Impinj Monza® 4QT chip – private mode ............................................................27 Overview of UHF data carriers with Impinj Monza® 4QT chip – public mode ..............................................................28 Overview of UHF data carriers with Impinj Monza® 5 chip ..................................................................................................28 Overview of UHF data carriers with Alien Higgs® 3 chip ......................................................................................................29 Overview of UHF data carriers with NXP U-Code G2XM/G2XL chip ................................................................................30 Overview of UHF data carriers NXP U-Code G2IM chip ........................................................................................................31 Overview of UHF data carriers with NXP U-Code G2IL chip ................................................................................................32 2.8 Speed of the data carrier at the read/write head on RFID systems ...................................................... 33 2.9 Read range / write range ...................................................................................................................... 33 2.10 BL ident® Simulator for UHF-RFID (Ray Tracer) .................................................................................... 34 2.11 Compatibility ....................................................................................................................................... 35 2.12 Application areas (examples)............................................................................................................... 36 BL ident® System – Planning ....................................................................................................37 3.1 Selection criteria for data carriers, read/write heads and interface module ....................................... 38 3.2 Transmission zone and read/write distance ........................................................................................ 38 3.2.1 3.2.2 3.2.3 3.2.4 3.2.5 3.2.6 3.2.7 3.2.8 3.2.9 3.2.10 UHF transmission zone ..........................................................................................................................................................................38 Minimum distance of data carrier to the read/write head........................................................................................................39 Permissible motion direction and alignment of the data carriers .........................................................................................39 Reading and writing in static mode ..................................................................................................................................................40 Reading and writing in dynamic mode (on the fly).....................................................................................................................40 Transfer rate...............................................................................................................................................................................................40 Range difference between reading and writing ..........................................................................................................................40 Minimum distance between two adjacent data carriers in single mode ............................................................................40 Minimum distance between two adjacent data carriers in multiple access ......................................................................41 Dwell time Td of the data carrier.........................................................................................................................................................41 Mounting and operating guidelines .......................................................................................43 4.1 Effect on the performance of the BL ident® system .............................................................................. 44 4.1.1 4.1.2 4.1.3 4.1.4 4.1.5 4.1.6 4.1.7 4.1.8 4.1.9 Minimum / maximum distance between read/write heads ....................................................................................................44 Minimum distance of read/write heads to conductive materials ..........................................................................................45 Minimum distance of data carriers to conductive walls............................................................................................................46 Minimum distance between data carriers ......................................................................................................................................47 Minimum distance of smart label data carriers between each other ...................................................................................47 Interaction when using several read/write heads .......................................................................................................................47 – Adaptive frequency agility ..............................................................................................................................................................47 – Frequency hopping procedure .....................................................................................................................................................47 Factors influencing the read distance..............................................................................................................................................51 Environmental conditions for data carriers....................................................................................................................................51 Data carrier orientation in the room.................................................................................................................................................52 4.2 Behavior of electromagnetic waves in the UHF range ......................................................................... 53 4.2.1 Effect of reflections and interference ...............................................................................................................................................53 – Reflections and interference ...........................................................................................................................................................53 – Reducing the effect of reflections/interference on data carrier detection ....................................................................53 Effect of liquids and non-metallic substances...............................................................................................................................53 4.2.2 D101831 0713 BLident® Installation of the UHF System 4.2.3 Effect of third party components ...................................................................................................................................................... 53 – Reflections and interference .......................................................................................................................................................... 53 – Third party components in the same frequency band ......................................................................................................... 54 Startup with the RDemo and WebConfig software tools 55 4.1 Testing, parameter assignment and configuration of the read/write heads ....................................... 56 4.1.1 4.1.2 Testing with RDemo............................................................................................................................................................................... 56 Parameter assignment and configuration with WebConfig.................................................................................................... 57 EMC Guidelines ...................................................................................................................... 59 5.1 Target group ........................................................................................................................................ 60 5.2 Propagation of electromagnetic interference ..................................................................................... 60 5.3 RFID interference ................................................................................................................................. 61 5.4 EMC – Definition................................................................................................................................... 61 5.5 Basic rules for ensuring EMC ................................................................................................................ 62 5.5.1 5.5.2 5.5.3 5.5.4 Installation in a control cabinet.......................................................................................................................................................... 63 Preventing interference sources........................................................................................................................................................ 63 Equipotential bonding .......................................................................................................................................................................... 63 Shielding the cables ............................................................................................................................................................................... 64 BL ident® – Data carriers for the UHF band .............................................................................. 65 6.1 Function ............................................................................................................................................... 66 6.1.1 6.1.2 Memory module ...................................................................................................................................................................................... 66 Data carrier antenna............................................................................................................................................................................... 66 6.2 Type overview of the data carriers....................................................................................................... 67 BL ident® read/write heads for the UHF band ......................................................................... 71 7.1 Function ............................................................................................................................................... 72 7.1.1 Read/write head antenna..................................................................................................................................................................... 72 7.2 Type overview of the read/write heads ............................................................................................... 73 7.3 Connecting the read/write heads......................................................................................................... 74 7.3.1 Connecting the grounding terminal ................................................................................................................................................ 75 7.4 LED functions of the read/write heads ................................................................................................. 75 7.5 Wall mounting of the TN...-Q240L280-H1147 read/write head .......................................................... 76 7.6 Mast/tube mounting of the TN...-Q240L280-H1147 read/write head ................................................. 76 8.1 Approvals ............................................................................................................................... 77 CE approvals (only for the TN865-… read/write head) ........................................................................ 78 D101831 0713 BLident® Installation of the UHF System 8.2 FCC digital device limitations (only for read/write head TN902-…) .................................................... 78 8.3 ANATEL approval (only for read/write head TN902/915-…)................................................................ 78 8.4 SRRC approval (only for read/write head TN840/920-…) .................................................................... 79 8.5 KSQ approval (only for read/write head TN917-…) ............................................................................. 79 Glossary ..................................................................................................................................81 Appendix ................................................................................................................................87 A.1 Directional characteristics of the antenna for the TN...-Q240L280-H1147 read/write head ............... 88 A.1.1 A.1.2 A.1.3 A.1.4 Azimuth section, horizontal polarization........................................................................................................................................88 Azimuth section, vertical polarization..............................................................................................................................................89 Elevation section, horizontal polarization ......................................................................................................................................90 Elevation section, vertical polarization ............................................................................................................................................91 A.2 Type code for BL ident®........................................................................................................................ 92 A.2.1 A.2.2 A.2.3 A.2.4 A.2.5 Type code for BL ident® interface........................................................................................................................................................92 Type code for BL compact for BL ident® ............................................................................................................................................93 Type code for BL ident® read/write heads .......................................................................................................................................94 Type code for BL ident® data carriers.................................................................................................................................................95 Type code for BL ident® connection technology (RFID cables)................................................................................................96 A.3 Type code for fieldbus technology....................................................................................................... 97 A.3.1 A.3.2 Type code for BLxx gateways ..............................................................................................................................................................97 Type code for BL compact .....................................................................................................................................................................98 D101831 0713 BLident® Installation of the UHF System 1 General Information 1.1 Intended purpose of this documentation .............................................................................................. 8 1.2 Meaning of the symbols used ................................................................................................................ 8 1.3 Safety instructions ................................................................................................................................. 8 1.3.1 1.3.2 1.3.3 Intended use ................................................................................................................................................................................................9 Notes concerning configuration/installation of the product.....................................................................................................9 Safety instructions for RFID systems– minimum permissible distances ..............................................................................9 – Minimum distances to the read/write head acc. to ETSI (Europe) .................................................................................... 10 – Minimum distances to the read/write head acc. to FCC (USA)........................................................................................... 10 1.4 TURCK Service ...................................................................................................................................... 10 1.5 Associated documents ......................................................................................................................... 11 D101831 0713 BLident® Installation of the UHF System General Information 1.1 Intended purpose of this documentation This manual contains all the information for the proper installation of the BL ident® UHF system particularly with regard to the data carriers and read/write heads. The following chapter give an overview of the BL ident® UHF system, how to plan a BL ident® UHF system, shows the necessary mounting regulations and provides a brief overview of the EMC guidelines. The manual also describes the operation of the data carriers and read/write heads, the mounting as well as the available accessories. 1.2 Meaning of the symbols used Danger Personal injury resulting in death likely Proceed with extreme caution. This sign is placed next to a warning indicating a potential hazard. Personal injury or death are very likely if this is not observed. Caution Risk of damage to devices Proceed with caution. This sign is placed next to a warning indicating a potential hazard. Possible damage to systems (hardware and software) and installations if this is not observed. Note This symbol is placed next to general instructions that indicate important information on the procedure for one or several operations. The relevant instructions can facilitate work and possibly help to avoid additional work resulting from faulty procedures. 1.3 Safety notes Caution This section should be read without fail since safety in the handling of electrical equipment should not be left to chance. This manual contains all the information for the proper commissioning of the TURCK BL ident® system with regard to the data carriers and read/write heads. It was specially written for suitably qualified personnel with the relevant specialist knowledge. D101831 0713 BLident® Installation of the UHF System Safety notes 1.3.1 Intended use Danger The devices described in this manual must only be used for the intended applications described herein and in the relevant technical description, and only in conjunction with certified systems and components of other suppliers. To ensure correct and safe operation of the devices, proper transportation, storage, assembly and installation, as well as careful operation and maintenance must be ensured. 1.3.2 Engineering/installation instructions for the product Danger The safety and accident prevention regulations for the relevant application must be observed without fail. To ensure correct and safe operation of the devices, proper transportation, storage, assembly and installation, as well as careful operation and maintenance must be ensured. 1.3.3 Safety instructions for RFID systems– minimum permissible distances During the installation and operation of HF and UHF systems it may occur that people are positioned momentarily or for long periods in the radiation range. In this case safety distances from the active components must be observed. Danger Effect on electrically controlled medical devices such as pacemakers Malfunction or failure of the devices Find out the extent to which the radiation strength of your medical devices is affected. Find out the permissible distances from radiation sources for the devices you are using. In case of doubt, keep an additional distance from active radiation sources up to the maximum transmission range of the radiation source. D101831 0713 BLident® Installation of the UHF System General Information Minimum distances to the read/write head acc. to ETSI (Europe) For the maximum permissible total radiant output power acc. to ETSI (2 W EIRP) the safety distance is d = 0.24 m. Do not get closer than 24 cm to the active radiant area of the read/write head for long periods. According to current knowledge, a short stay in this area is not harmful, even when repeated. Minimum distances to the read/write head acc. to FCC (USA) For the maximum permissible total radiant output power acc. to FCC (4 W EIRP) the safety distance is d = 0.26 m. Do not get closer than 26 cm to the active radiant area of the read/write head for long periods. According to current knowledge, a short stay in this area is not harmful, even when repeated. 1.4 TURCK Service TURCK provides extensive support in addition to the products. The product database at www.turck.de/ products provides a complete overview of the product portfolio with brief descriptions of devices and an overview of supplementary products. All relevant device information such as flyers, catalogs, manuals, certificates and CAD data are also available for download free of charge. Application and operating software for different applications is available under the Software tab for download free of charge. The Service Team in Germany can also be contacted for further inquiries under the following service numbers. Here you will be directed to the appropriate specialists. For overseas support please contact your national agents (addresses on the rear of this document): Sales: +49 (0) 208 4952-380 Technical: +49 (0) 208 4952-390 Email: more@turck.com Note If a device has to be returned, bear in mind that only devices with a decontamination declaration will be accepted. This is available for download at http://www.turck.de/de/ support_download.asp and must be completely filled in, and affixed securely and weatherproof to the outside of the packaging. 10 D101831 0713 BLident® Installation of the UHF System Relevant documents 1.5 Relevant documents The following documents in addition to this manual can be obtained from www.turck.com: D101581 – Interface modules for fieldbus connection. This manual describes the proper operation of BL ident® interface modules. D101579 – Commissioning in PROFIBUS-DP D101640 – Commissioning with CoDeSys for programmable gateways D101642 – Commissioning in DeviceNetTM D101644 – Commissioning in EtherNet/IPTM D101648 – Commissioning in PROFINET D101763 – Commissioning in CANopen D101925 – Quick Reference Guide for UHF System D101831 0713 BLident® Installation of the UHF System 11 General Information 12 D101831 0713 BLident® Installation of the UHF System 2 The TURCK BL ident® UHF System 2.1 BL ident® – Modular RFID system.......................................................................................................... 14 2.1.1 2.1.2 2.1.3 2.1.4 BL ident® – System concept.................................................................................................................................................................. 14 BL ident® – Data carriers......................................................................................................................................................................... 14 BL ident® – Read/write heads............................................................................................................................................................... 14 BL ident® interfaces.................................................................................................................................................................................. 14 – Gateways (BL20 and BL67)............................................................................................................................................................... 14 – Interface modules: Electronic and base modules ................................................................................................................... 15 – Combination of gateways and interface modules ................................................................................................................. 16 – BL compact interfaces ........................................................................................................................................................................ 18 2.2 Schematic representation of the BL ident® UHF identification system ................................................ 21 2.2.1 Networking with BL ident ® UHF systems........................................................................................................................................ 22 2.3 Identification systems with radio frequency technology (RFID).......................................................... 22 2.4 Features and areas of application of the BL ident® system .................................................................. 22 2.4.1 2.4.2 2.4.3 2.4.4 2.4.5 Degree of protection.............................................................................................................................................................................. 22 Lifetime ....................................................................................................................................................................................................... 23 Transmission frequency ........................................................................................................................................................................ 23 Models......................................................................................................................................................................................................... 24 – Data carriers ......................................................................................................................................................................................... 24 – Read/write heads ............................................................................................................................................................................... 24 Memory ...................................................................................................................................................................................................... 24 2.5 Read/write time in the sensing range of the UHF read/write head ...................................................... 24 2.6 User data areas of the data carrier variants......................................................................................... 25 2.7 General information on the UHF data carriers..................................................................................... 25 2.7.1 2.7.2 Multiple access (multi-tag detection, bulk reading) .................................................................................................................. 26 User data areas of the data carrier variants ................................................................................................................................... 27 – Overview of UHF data carriers with Impinj Monza® 3 chip ................................................................................................. 27 – Overview of UHF data carriers with Impinj Monza® 4D chip .............................................................................................. 27 – Overview of UHF data carriers with Impinj Monza® 4E chip ............................................................................................... 28 – Overview of UHF data carriers with Impinj Monza® 4QT chip – private mode ............................................................ 29 – Overview of UHF data carriers with Impinj Monza® 4QT chip – public mode ............................................................. 30 – Overview of UHF data carriers with Impinj Monza® 5 chip ................................................................................................. 30 – Overview of UHF data carriers with Alien Higgs 3 chip ........................................................................................................ 31 – Overview of UHF data carriers with NXP U-Code G2XM/G2XL chip ................................................................................ 32 – Overview of UHF data carriers with NXP U-Code G2IM chip .............................................................................................. 33 – Overview of UHF data carriers with NXP U-Code G2IL chip ............................................................................................... 34 2.8 Speed of the data carrier at the read/write head on RFID systems ...................................................... 35 2.9 Read range / write range ...................................................................................................................... 35 2.10 BL ident® Simulator for UHF-RFID (Ray Tracer) .................................................................................... 36 2.11 Compatibility ....................................................................................................................................... 37 2.12 Application areas (examples) .............................................................................................................. 38 D101831 0713 - BLident® Installation of the UHF System 13 The TURCK BL ident® UHF System 2.1 BL ident® – Modular RFID system BL ident® is a complete RFID system that shows its particular benefits primarily in industrial environments. The modular system is based on the BL67 I/O systems (for field mounting) and the BL20 (for control cabinet mounting) and the BL compact fieldbus modules. Each BL ident® system can be created flexibly with data carriers, read/write heads, connection technology and interfaces (gateways and RFID I/O modules) to form a tailored RFID solution. In addition to high-speed FRAM data carriers offering a virtually unlimited number of read/write operations, high temperature variants for temperatures up to 240 °C are available which can be used for example in paint lines. Another feature: BL ident® can be integrated into existing plant configurations without any problems. 2.1.1 BL ident® system concept The BL ident® RFID system offers you the flexibility you need for your application on all levels: From the selection of data carriers to read/write heads, right through to the connection to the control level: You always have the possibility to achieve the perfect configuration of the system and to adapt it to your specific requirements. BL ident® is future-proof with interoperability ensured thanks to its compliance with international, global standards. Optimum protection of your investment is therefore guaranteed. 2.1.2 BL ident® data carriers EEPROM data carriers with high memory quality and price benefit, particularly with large quantities High temperature data carriers for comprehensive process control at -40…+240 °C Designed for direct mounting on metal Customized solutions through open and globally applicable standards (ISO 18000-6C) 2.1.3 BL ident® read/write heads Industrial and rugged design Read/write ranges up to several meters (UHF) Compact mounting forms for restricted mounting conditions 2.1.4 BL ident® interfaces The BL20 and BL67 modular interfaces as well as the compact BL compact interfaces are available for the BL ident® system. The modular interfaces can be combined from a Standard gateway as well as an RFID interface module of the relevant system. Interfaces for the exclusive connection of read/write heads and also for connecting read/write heads and other field devices such as sensors or actuators are available for BL compact Gateways (BL20 and BL67) The gateway connects the fieldbus with the I/O modules and depends on the fieldbus used, unlike the I/O modules themselves. It handles the entire process data traffic and generates diagnostic information for the higher-level controller as well as for the IO-ASSISTANT software. Extended functions are available depending on the type of gateway, such as programmable gateways. 14 D101831 0713 - BLident® Installation of the UHF System BL ident® – Modular RFID system Figure 1: Gateway for BL20 (example PROFIBUS-DP): Standard gateway (left) and ECONOMY gateway (right) LED 114,8 72,6 74,4 75 129,5 33,5 50,6 Figure 2: Gateway for BL67 (example PROFIBUS-DP) LED 32 77,5 145 13 Interface modules: electronic and base modules The individual interface modules of the modular I/O systems each consist of a passive base module and an electronic module. The base modules consist of the connection technology for connecting the field devices such as read/ write heads, sensors and actuators. The following base modules are suitable for use in the BL ident® system: Degree of protection IP20 (BL20 system) – BL20-S4T-SBBS (cage clamp terminal) in connection with Standard and ECONOMY gateways. – BL20-S4S-SBBS (screw terminal) only in connection with Standard gateways Degree of protection IP67 (BL67 system) – BL67-B-2M12 (M12 male connector terminal) D101831 0713 - BLident® Installation of the UHF System 15 The TURCK BL ident® UHF System Figure 3: Base module for BL20 (left) and BL67 (right) 128,9 12,6 The electronic modules contain the functions of the interface modules (power supply modules, digital and analog input and output modules and technology modules such as RFID modules). They are fitted to the base modules and are independent of the wiring. During commissioning or maintenance, the electronic modules can be removed and fitted without having to disconnect the field wiring. The BL ident® system comprises two types of electronic modules, the BLxx-RFID-S modules (Simple RFID) for simple I/O communication and the BLxx-RFID-A modules (Advanced RFID) for use with function blocks or with programmable gateways. Figure 4: Electronic module for BL20 (left) and BL67 (right) LED 32 74,1 LED 91 73,1 77,5 117,6 128,9 12,6 154,5 145 13 Combination of gateways and interface modules The following tables show the possible combinations of BL20 and BL67 gateways with the relevant RFID modules. For all possible combinations, TURCK offers interface sets with cage clamp connection options for 2, 4, 6 or 8 read/write heads. 16 D101831 0713 - BLident® Installation of the UHF System BL ident® – Modular RFID system Table 1: Combination and function matrix for BL ident® interfaces (sets) in IP20 (BL20) Fieldbus BL ident® interface (set): Gateway + electronic module (with base module) TypeA Gateway x = No. of channels: 2, 4, 6, 8 TypeB TI-BL20-DPV1-x BL20-GW-DPV1 TI-BL20-DPV1-S-x BL20-GW-DPV1 TI-BL20-E-DPV1-x BL20-E-GW-DPV1 TI-BL20-E-DPV1-S-x BL20-E-GW-DPV1 TI-BL20-DN-S-x BL20-GWBR-DNET TI-BL20-E-DN-S-x BL20-E-GW-DN CANopen TI-BL20-E-CO-S-x BL20-E-GW-CO Modbus-TCP TI-BL20-EN-S-x BL20-GW-EN TI-BL20-PG-EN-x BL20-PG-EN TI-BL20-PG-EN-S-x BL20-PG-EN TI-BL20-EIP-S-x BL20-GW-EN-IP TI-BL20-PG-EIP-x BL20-PG-EN-IP TI-BL20-PG-EIP-S-x BL20-PG-EN-IP TI-BL20-E-PN-x BL20-E-GW-PN TI-BL20-E-PN-S-x BL20-E-GW-PN TI-BL20-E-EC-S-x BL20-E-GW-EC PROFIBUS-DP DeviceNetTM EtherNet/IPTM PROFINET IO EtherCAT® Electronic modules programmable Type BL202RFID-AC Type BL202RFID-SE xD xD xD A) Refer to the Appendix for the type code, “Type code for BL ident® interface” page 94. B) Refer to the Appendix for the type code, “Type code for BLxx gateways” page 99. C) Advanced RFID module for enhanced RFID communication with function block (PIB) D) Advanced RFID module for enhanced RFID communication with function block (PIB) via Siemens S7 PLC E) Simple RFID module for 8-byte I/O communication D101831 0713 - BLident® Installation of the UHF System 17 The TURCK BL ident® UHF System Table 2: Combination and function matrix for BL ident® interfaces (sets) in IP67 (BL67) Fieldbus BL ident® interface (set): Gateway + electronic module (with base module) TypeA Gateway x = No. of channels: 2, 4, 6, 8 TypeB TI-BL67-DPV1-x BL67-GW-DPV1 TI-BL67-DPV1-S-x BL67-GW-DPV1 TI-BL67-PG-DP-x BL67-PG-DP TI-BL67-PG-DP-S-x BL67-PG-DP DeviceNetTM TI-BL67-DN-S-x BL67-GW-DN Multiprotocol:Modb us-TCP + EtherNet/IPTM TI-BL67-EN-S-x BL67-GW-EN Modbus-TCP TI-BL67-PG-EN-x BL67-PG-EN TI-BL67-PG-EN-S-x BL67-PG-EN TI-BL67-PG-EIP-x BL67-PG-EN-IP TI-BL67-PG-EIP-S-x BL67-PG-EN-IP PROFINET IO TI-BL67-EN-PN-x BL67-GW-EN-PN xD PROFINET IO + AIDA connection technology TI-BL67-PN-AC-x BL67-GW-PN-AC xD TI-BL67-PN-AC-S-x BL67-GW-PN-AC PROFIBUS-DP EtherNet/IPTM Electronic modules programm able Type BL672RFID-AC Type BL672RFID-SE xD A) Refer to the Appendix for the type code, “Type code for BL ident® interface” page 94. B) Refer to the Appendix for the type code, “Type code for BLxx gateways” page 99. C) Advanced RFID module for enhanced RFID communication with function block (PIB) D) Advanced RFID module for enhanced RFID communication with function block (PIB) via Siemens S7 PLC E) Simple RFID module for 8-byte I/O communication BL compact interfaces The BL compact devices consist of up to two I/O signal modules as well as a fieldbus connection in a compact housing with degree of protection to IP67. The functions of a device are the same as those of a corresponding modular fieldbus station. The BL compact interfaces for BL ident® are designed for the connection of two read/write heads, and variants with eight additional channels are also available. The BL compact interfaces for BL ident® are designed as standard for simple I/O communication (Simple RFID), and some variants are available with an extended range of functions (Advanced RFID). The following table shows the available variants. 18 D101831 0713 - BLident® Installation of the UHF System BL ident® – Modular RFID system Table 3: Combination and function matrix for BL ident® BL compact (IP67) Fieldbus InterfaceA Function PROFIBUS-DP BLCDP-2M12MT-2RFID-A BLCDP-2M12MT-2RFID-S DeviceNetTM CANopen Multiprotocol:Modb us-TCP + EtherNet/IPTM Type …2RFID-AB Type …2RFID-SD 2 × read/write head xC BLCDP-6M12LT-2RFID-A8DI-PD BLCDP-6M12LT-2RFID-S8DI-PD 2 × read/write head + 8 × digital input xC BLCDP-6M12LT-2RFID-A8XSG-PD BLCDP-6M12LT-2RFID-S8XSG-PD 2 × read/write head + 8 × digital input/output (configurable) xC BLCDN-2M12S-2RFID-S 2 × read/write head BLCDN-4M12L-2RFID-S2RFID-S 4 × read/write head BLCDN-6M12LT-2RFID-S8XSG-PD 2 × read/write head + 8 × digital input/output (configurable) BLCCO-2M12S-2RFID-S 2 × read/write head BLCCO-4M12L-2RFID-S2RFID-S 4 × read/write head BLCCO-6M12LT-2RFID-S8XSG-PD 2 × read/write head + 8 × digital input/output (configurable) BLCEN-2M12LT-2RFID-S 2 × read/write head BLCEN-4M12LT-2RFID-S2FRID-S 4 × read/write head BLCEN-6M12LT-2RFID-S8XSGD-PD 2 × read/write head + 8 × digital input/output (configurable) BLCEN-3M12LT-1RS2322RFID-S 2 × read/write head + 1 × RS232 interface A) Refer to the Appendix for the type code, “Type code for BL compact for BL ident®” page 95. B) Advanced RFID module for enhanced RFID communication with function block (PIB) C) Advanced RFID module for enhanced RFID communication with function block (PIB) via Siemens S7 PLC D) Simple RFID module for 8-byte I/O communication D101831 0713 - BLident® Installation of the UHF System 19 The TURCK BL ident® UHF System Figure 5: BL compact station (example PROFIBUS-DP): only for read/write heads (left) and with additional digital channels (right) 44,5 32,5 44,5 32,5 71 71 102 ±1 113 20 157 ±1 168 D101831 0713 - BLident® Installation of the UHF System Schematic representation of the BL ident® UHF identification system 2.2 Schematic representation of the BL ident® UHF identification system The TURCK BL ident® system consists of several levels. Each level offers a wide range of possibilities. An application tailored to the total system is possible. Figure 6: System overview PLC/PC for commissioning Interface module for integration in the fieldbus systems IP67 IP20 IP67 Read/write devices Air Interface Mobile data carriers D101831 0713 - BLident® Installation of the UHF System 21 The TURCK BL ident® UHF System 2.2.1 Networking with BL ident® UHF systems BL ident® systems can be integrated in (existing) bus systems, enabling the networking of several BL ident® systems. The guidelines for the maximum extension of the bus system used apply. A PROFIBUS-DP system can consist of up to 31 stations and a master without the use of repeaters. 2.3 Identification systems with radio frequency technology (RFID) RFID is the acronym for Radio Frequency Identification. An RFID system is composed of a data carrier, a device for reading and writing the data from and to the data carrier, and other devices for transmitting and processing the data. The transmission of the data from the data carrier to the read/write head is contactless using electromagnetic waves. This form of transmission is unaffected by dirt and temperature fluctuations. The data carriers can be attached directly to a product. For this reason the term “mobile data storage” is used. Further terms for the data carrier are TAG or transponder. The data can consist of production and manufacturing data. The data used here to identify the product is of special importance. Hence the term “identification system” is used. The ability to change the data content through write operations to the data carrier offers an additional range of possibilities. This enables the tracing of production/manufacturing processes. Logistics / distribution systems can also be optimized. The identification systems can be integrated into (existing) fieldbus automation systems (such as PROFIBUS-DP). The connection to the fieldbus system is implemented using the appropriate interface modules. Standardized software modules (such as the Proxy Ident Function Block for PROFIBUS-DP) simplify the system integration and commissioning. 2.4 Features and application areas of the BL ident® system In order to meet the requirements of different application areas, the TURCK BL ident® system offers a host of combination options for data carriers and read/write heads, as well as interface modules for connecting to automation systems (such as PROFIBUS-DP). Software modules enable systems to be integrated and commissioned simply. The following is a list of features of the TURCK BL ident® system: 2.4.1 Degree of protection Some data carriers as well as the corresponding read/write heads come with a high degree of mechanical protection (such as IP67) and can thus also be used in harsh industrial environments. The connection to a fieldbus system is implemented with suitable TURCK interface modules. The interface modules for CANopen are available with protection to IP20. The identification system is rounded off with TURCK connection cables offering appropriate degrees of protection. Temperature-resistant data carriers up to 240°C are available for high temperature applications. 22 D101831 0713 - BLident® Installation of the UHF System Features and application areas of the BL ident® system 2.4.2 Lifespan The lifespan is determined by the number of possible read/write operations on the data carriers. EEPROM data carriers can ensure an unlimited number of read operations and 105 write operations. The data carriers do not require any batteries. 2.4.3 Transmission frequency The TURCK BL ident® system operates at nationally specified transmission frequencies in the UHF range of (865...928 MHz) between the data carriers and read/write heads. These national frequencies for UHF are required due to the frequency ranges individually specified by the national regulation bodies. UHF systems in this frequency band achieve a higher read/write range than HF systems, typically several meters. The operating frequency of the devices in the UHF band is for example 865…868 MHz for Europe and 902…928 MHz for the USA. The BL ident® read/write heads in the UHF band can therefore only be used in the countries they are intended for and must not be put into operation outside of these regions. As the BL ident® UHF data carriers are passive, and therefore do not radiate their own radiate radio waves, these are suitable for use worldwide. TURCK offers different data carrier variants that are specially designed and optimized for national frequency bands in order to achieve as large a communication range as possible. Wide-band multirange data carriers for international use are also available as an alternative. The various TURCK read/write heads support the following transmission frequencies: 865...868 MHz (e.g. for Europe) 902...928 MHz (e.g. for USA and Canada) 920…925 MHz (e.g. for China) 902...907.5 MHz and 915...928 MHz (e.g. Brazil) 917...920.8 MHz (e.g. for Korea) The relevant national specifications for UHF such as frequency range, output and the status of any national regulations can be obtained from the Internet at: http://www.gs1.org/docs/epcglobal/UHF_Regulations.pdf For more detailed information please contact the relevant authorities of the country where you wish to use the UHF RFID system. D101831 0713 - BLident® Installation of the UHF System 23 The TURCK BL ident® UHF System 2.4.4 Mounting types Data carriers Data carriers for the UHF RFID range are available in different mounting forms and fixing options, and are either optimized for small housing dimensions or large data transmission ranges. Besides the frequency ranges, the selection criteria for the data carriers depend on the application at hand. Data carriers for the direct mounting on metal, for attaching with a metal loop, as well as smart labels and high temperature versions are therefore available in addition to the standard mounting forms. Customized data carrier solutions that are tailored to the relevant application are also available on request. Read/write heads Different rectangular mounting forms are available such as compact read/write heads in housings with approx. 175 mm or 240 mm edge length for large data transmission ranges of up to several meters. 2.4.5 Memory EEPROM data carriers for the UHF range are available with up to 138 bytes memory (110 bytes user data). EEPROM: (Electrically erasable programmable read only memory), non-volatile. The data carriers in the UHF frequency range meet the requirements of the ISO 18000-6C and EPCglobal Class 1 Gen 2 communication standard. 2.5 Read/write time in the sensing range of the UHF read/write head The time that the data carrier must be in the sensing range of the read/write head in order for all the required data to be read and/or written reliably depends on the following factors: Command type (write or read) Data volume Extent of the sensing range (resulting from the combination of the type of read/write head and the data carrier as well as the environmental conditions) Homogeneity of the electromagnetic field with UHF (interruption of the communication with moving data carriers through field reflections and interference; interaction of radio waves with the environment). The acquisition of data may be disturbed by the following factors: Electromagnetic interference in the relevant frequency band Interference may cause the cancellation of the waves and fading. 24 D101831 0713 - BLident® Installation of the UHF System User data areas of the UHF data carrier variants 2.6 User data areas of the UHF data carrier variants 2.7 General information on the UHF data carriers The UHF data carrier memory hierarchy is divided into four logical areas (also called domains) in accordance with ISO 18000-6C and can accommodate several blocks – each block consisting of 2 bytes. Caution Possible damage to the data carriers! Incorrect writing to the reserved area (bank address = 00) or to the first four bytes of the UII memory (bank address = 01) of the data carrier memory may cause the data carrier to permanently malfunction. Bank 00 – reserved range: This area contains the passwords for accessing the memory and for deactivating the data carrier. The passwords for deactivating are stored in the memory addresses 00hex to 1Fhex. The passwords for access protection are stored in the memory addresses 20hex to 3Fhex. Memory access to this reserved area is normally executed with separate protocol commands. Bank 01 – EPC (electronic product code) or UII (unique item identifier): This area contains the essential identification data of the transponder. The 16-bit checksum (CRC) is located in the first data word (from address 00hex). The second data word (= 2 bytes) contains specific data carrier control information (protocol control byte, from address 10hex). The actual data area of the UIIs starts at address 20hex. The data carriers are identified in the BL ident® system by means of the first eight bytes of the data area, i.e. from address 04hex to 0Chex. Bank 10 – TID (tag identification): This area contains one of three values for determining the class identification (E0hex, E2hex or E3hex) in accordance with ISO/IEC 15963, contained in the memory addresses 00hex to 07hex. If the class is ID E0hex, the TID contains a 48-bit serial number. The composed 64-bit data carrier ID is assigned once within all data carrier classes which are defined in ISO/IEC 15963 and write-protected by the manufacturer. If the class ID is E2hex, the TID contains a 12-bit data mask identification and a 12-bit data carrier model number defined by the manufacturer. The use of memory addresses above 1Fhex is defined in the EPCglobal data standards, version 1.5 and higher. If the class ID is E3hex, the TID contains an 8-bit manufacturer ID, followed by a 2-byte working memory for different data lengths, the 48-bit serial number, the 1-Bit-XTID and the 15-BIT-XTID header data. The composed 80-bit data carrier ID is assigned once within all data carrier classes which are defined in ISO/IEC 15963 and write-protected by the manufacturer. Bank 11– User area: This area is optional and contains a varying memory range for use as required by the user. D101831 0713 - BLident® Installation of the UHF System 25 The TURCK BL ident® UHF System Figure 7: UHF data carrier memory hierarchy MSB 00hex MSB 10hex 00hex MSB Bank 11 220hex 210hex User Bank 10 TID Bank 01 EPC/UII/... Bank 00 Reserved 20hex 10hex 00hex MSB 30hex 20hex 10hex 00hex .. Word 0 of Block 0 .. TID [15:0] TID [31:16] .. Optional XPC_W2 [15:0] Optional XPC_W2 [15:0] .. EPC/UII/... [15:0] .. EPC/UII/... [N:N-15] PC [15:0] CRC [15:0] .. Access Passwd [15:0] Access Passwd [31:16] Kill Passwd [15:0] Kill Passwd [31:16] LSB 0Fhex LSB 1Fhex 0Fhex LSB 22Fhex 21Fhex 2Fhex 1Fhex 0Fhex LSB 3Fhex 2Fhex 1Fhex 0Fhex BL ident® UHF data carriers are currently available with the following memory types: EEPROM-U-Code G2 EEPROM-Monza EEPROM-Higgs Note The number of areas for the different memory types currently varies. The Impinj Monza® 5 therefore only has three areas (the user area is missing), whilst the NXPG2XM contains all four areas. 2.7.1 Multiple access (multi-tag detection, bulk reading) The data carriers are identified in the BL ident® system by means of the UII. With multi-access these must be different! (multiple access means a read/write head can communicate with different data carriers at the same time. The read/write head can thus address a data carrier selectively by means of its UII.) If the data carriers are factory set with the same UII, these must be individually written with different UIIs before they are used for the first time in applications with multi-access. 26 D101831 0713 - BLident® Installation of the UHF System General information on the UHF data carriers 2.7.2 User data areas of the data carrier variants Overview of UHF data carriers with Impinj Monza® 3 chip The type Impinj Monza® 3 UHF data carriers are provided with a UII memory area of 12 bytes. The following table describes the data structure of the data carriers. Table 4: Memory area of Impinj Monza® 3 Bank address Bank name [bin.] 10 01 00 Memory address No. of bytes Remark 10hex-1Fhex 0001 + Model number 00hex-0Fhex fixed = 1110001000000000 20hex-7Fhex 12 UII 10hex-1Fhex Protocol control bits 00hex-0Fhex Checksum CRC-16 20hex-3Fhex Password for memory access 00hex-1Fhex Password to deactivate the memory [hex.] TID UII Reserved Overview of UHF data carriers with Impinj Monza® 4D chip The type Impinj Monza® 4D UHF data carriers are provided with a UII memory area of 16 bytes. The following table describes the data structure of the data carriers. Table 5: Memory area of Impinj Monza® 4D Bank address Bank name [bin.] Memory address No. of bytes Remark [hex.] 11 User 00hex-1Fhex freely usable 10 TID 30hex-5Fhex Serial number 20hex-2Fhex Extended TID header 10hex-1Fhex Manufacturer ID + model number 00hex-0Fhex 11100010 + manufacturer ID 20hex-9Fhex 16 UII 10hex-1Fhex Protocol control bits 00hex-0Fhex Checksum CRC-16 20hex-3Fhex Password for memory access 00hex-1Fhex Password to deactivate the memory 01 00 UII Reserved D101831 0713 - BLident® Installation of the UHF System 27 The TURCK BL ident® UHF System Overview of UHF data carriers with Impinj Monza® 4E chip The type Impinj Monza® 4E UHF data carriers are provided with a UII memory area of 62 bytes. The following table describes the data structure of the data carriers. Table 6: Memory area of Impinj Monza® 4E Bank address [bin.] Memory address No. of bytes Remark [hex.] 11 User 00hex-7Fhex 16 freely usable 10 TID 30hex-5Fhex Serial number 20hex-2Fhex Extended TID header 10hex-1Fhex Manufacturer ID + model number 00hex-0Fhex 11100010 + manufacturer ID 20hex-20Fhex 62 UII 10hex-1Fhex Protocol control bits 00hex-0Fhex Checksum CRC-16 20hex-3Fhex Password for memory access 00hex-1Fhex Password to deactivate the memory 01 00 28 Bank name UII Reserved D101831 0713 - BLident® Installation of the UHF System General information on the UHF data carriers Overview of UHF data carriers with Impinj Monza® 4QT chip – private mode This memory chip has two different states for dividing the memory; Private mode and Public mode. Private mode is the factory setting and is available in operation with the BLxx-2RFID-S, BLxx-2RFID-A electronic modules and BLcompact. The type Impinj Monza® 4QT UHF data carriers in Private mode are provided with a UII memory area of 16 bytes and a freely available user area of 64 bytes. The following table describes the data structure of the data carriers. Table 7: Memory area of Impinj Monza® 4QT - private Bank address Bank name [bin.] Memory address No. of bytes Remark [hex.] 11 User 00hex-1FFhex 64 freely usable 10 TID 60hex-BFhex 12 UII public 30hex-5Fhex Serial number 20hex-2Fhex Extended TID header 10hex-1Fhex Manufacturer ID + model number 00hex-0Fhex 11100010 + manufacturer ID 20hex-9Fhex 16 UII 10hex-1Fhex Protocol control bits 00hex-0Fhex Checksum CRC-16 20hex-3Fhex Password for memory access 00hex-1Fhex Password to deactivate the memory 01 00 UII private Reserved D101831 0713 - BLident® Installation of the UHF System 29 The TURCK BL ident® UHF System Overview of UHF data carriers with Impinj Monza® 4QT chip – public mode Note The following specifications for the Impinj Monza 4QT in public mode is only for information purposes since public mode is not supported by the BL ident® system. The type Impinj Monza® 4 QT UHF data carriers are provided in public mode with a UII memory area of 12 bytes. The following table describes the data structure of the data carriers. Table 8: Memory area of Impinj Monza® 4QT - public Bank address Bank name [bin.] 10 01 00 Memory address No. of bytes Remark 10hex-1Fhex Manufacturer ID + model number 00hex-0Fhex 11100010 + manufacturer ID 20hex-7Fhex 12 UII 10hex-1Fhex Protocol control bits 00hex-0Fhex Checksum CRC-16 20hex-3Fhex Password for memory access 00hex-1Fhex Password to deactivate the memory [hex.] TID UII public Reserved Overview of UHF data carriers with Impinj Monza® 5 chip The type Impinj Monza® 5 UHF data carriers are provided with a UII memory area of 16 bytes. The following table describes the data structure of the data carriers. Table 9: Memory area of Impinj Monza® 5 Bank address [bin.] 10 01 00 30 Bank name Memory address No. of bytes Remark 30hex-5Fhex Serial number 20hex-2Fhex Extended TID header 10hex-1Fhex Model number 00hex-0Fhex 11100010 + manufacturer ID 20hex-9Fhex 16 UII 10hex-1Fhex Protocol control bits 00hex-0Fhex Checksum CRC-16 20hex-3Fhex Password for memory access 00hex-1Fhex Password to deactivate the memory [hex.] TID UII Reserved D101831 0713 - BLident® Installation of the UHF System General information on the UHF data carriers Overview of UHF data carriers with Alien Higgs® 3 chip The type Alien Higgs® 3 UHF data carriers are provided with a UII memory area of 12 bytes and a freely available user area of 64 bytes. The following table describes the data structure of the data carriers. Table 10: Memory area of Alien Higgs® 3 Bank address Bank name [bin.] Memory address No. of bytes Remark [hex.] 11 User 00hex-1FFhex 64 freely usable 10 TID 60hex-BFhex 12 reserved 20hex-5Fhex Serial number 10hex-1Fhex Model number 00hex-0Fhex Manufacturer ID 20hex-7Fhex 12 UII 10hex-1Fhex Protocol control bits 00hex-0Fhex Checksum CRC-16 20hex-3Fhex Password for memory access 00hex-1Fhex Password to deactivate the memory 01 00 UII Reserved D101831 0713 - BLident® Installation of the UHF System 31 The TURCK BL ident® UHF System Overview of UHF data carriers with NXP U-Code G2XM/G2XL chip The type NXP U-Code G2XM/G2XL UHF data carriers are provided with a UII memory area of 30 bytes. The following table describes the data structure of the data carriers. Table 11: Memory area of NXP U-Code G2XM/G2XL Bank address [bin.] Memory address No. of bytes Remark [hex.] 11 User 00hex-1FFhex 64 only with NXP U-Code G2XM, NXP U-Code G2XL has 0 bytes 10 TID 20hex-3Fhex Serial number 10hex-1Fhex Model number 00hex-0Fhex Manufacturer ID, fixed 11100010 20hex-10Fhex 30 UII 10hex-1Fhex Protocol control bits 00hex-0Fhex Checksum CRC-16 20hex-3Fhex Password for memory access 00hex-1Fhex Password to deactivate the memory 01 00 32 Bank name UII Reserved D101831 0713 - BLident® Installation of the UHF System General information on the UHF data carriers Overview of UHF data carriers NXP U-Code G2IM chip The type NXP U-Code G2IM data carriers are provided with a UII memory area of 16 bytes and a freely available user area of 64 bytes and a user TID of 14 bytes. The following table describes the data structure of the data carriers. Table 12: Memory area of NXP U-Code G2IM Bank address Bank name [bin.] Memory address No. of bytes Remark [hex.] 11 User 00hex-27Fhex 64 freely usable 10 TID 60hex-CFhex 14 User TID, freely usable 30hex-5Fhex Serial number 20hex-2Fhex Extended TID header 14hex-1Fhex Model number 08hex-13hex fixed 000000000110 00hex-07hex Manufacturer ID, fixed 11100010 20hex-9Fhex 16 UII 10hex-1Fhex Protocol control bits 00hex-0Fhex Checksum CRC-16 20hex-3Fhex Password for memory access 00hex-1Fhex Password to deactivate the memory 01 00 UII Reserved D101831 0713 - BLident® Installation of the UHF System 33 The TURCK BL ident® UHF System Overview of UHF data carriers with NXP U-Code G2IL chip The type NXP U-Code G2IL UHF data carriers are provided with a UII memory area of 16 bytes. The following table describes the data structure of the data carriers. Table 13: Memory area of NXP U-Code G2IL Bank address [bin.] 10 01 00 34 Bank name Memory address No. of bytes Remark 20hex-3Fhex Serial number 20hex-2Fhex Extended TID header 14hex-1Fhex Model number 00hex-13hex 11100010 + manufacturer ID 200hex-20Fhex Configuration word 20hex-9Fhex 16 UII 10hex-1Fhex Protocol control bits 00hex-0Fhex Checksum CRC-16 20hex-3Fhex Password for memory access 00hex-1Fhex Password to deactivate the memory [hex.] TID UII Reserved D101831 0713 - BLident® Installation of the UHF System Speed of the data carrier at the read/write head on RFID systems 2.8 Speed of the data carrier at the read/write head on RFID systems The speed at which the data carrier can move past the read/write head depends on the data volume to be processed, the combination of read/write head and data carrier as well as the spatial conditions of the environment. Specific values for maximum speed and data volume can therefore only be given as examples! The UHF system normally offers a higher read speed than the HF system and many data carriers are detected simultaneously (bulk detection), fast moving data carriers are detected reliably. The processing time of the overall configuration of the identification system must be taken into account as well as the data processing time in the read/write head (“System overview” page 21). The time required for forwarding and processing the data in the overall installation can vary from application to application! If your application is designed for a fast succession of data carriers, it may be necessary to reduce the speed at which the data carriers are moved past the read/write head. In cases of doubt we recommend that you determine the possible speed by trial and error! 2.9 Read range / write range The achievable read/write distances depend on the relevant combination of data carrier and read/write head, as well as the spatial physical conditions of the environment. The possible read/write distance depends on the data volume to be written and read as well as the speed at which the data carrier moves past the read/write head. The UHF read/write heads typically have a sensing range of several meters. Note The maximum read/write distance of several meters is only an idealized value under laboratory conditions. The achievable distances may be reduced due to component tolerances, mounting location in the application, ambient conditions and the influence of materials (particularly metal and liquids). The parameters for achievable passing speed (read and write operations on the fly) and the maximum transmittable data volume also vary, depending on the actual transmission in the relevant application. Depending on the data carrier, the maximum write distance can be considerably less (e.g. 50 %) than the maximum read distance (see “UHF transmission zone” page 40). A test under actual conditions is therefore always required! D101831 0713 - BLident® Installation of the UHF System 35 The TURCK BL ident® UHF System 2.10 BL ident® Simulator for UHF-RFID (Ray Tracer) The Ray Tracer is a software simulation tool that enables the functioning of a wide range of different UHF RFID system constellations to be tested in realistic conditions. Three-dimensional computer models of the RFID application environment and algorithms for calculating the radio wave propagation in the space realistically simulate the operation of UHF-RFID systems. Completing several different simulation runs thus makes it possible to narrow down and preselect suitable system components before the actual installation of the UHF-RFID hardware. When complex spatial application environments are involved, the Ray Tracer also analyzes the technical feasibility of UHF-RFID radio applications for the spatial structure at hand. Figure 8: Three dimensional, complex computer imaging of an application environment All the essential physical factors involved in the propagation of radio waves are taken into account. These include for example: Attenuation characteristics in air and other media (obstacles), reflection and transmission properties on objects of different materials, polarization characteristics, antenna characteristics and gain of read/write units and data carriers. Use of the Ray Tracer requires a considerable amount of training and specialist knowledge, and so it cannot be used by the customer. It is therefore only available for use by TURCK-RFID specialists and their system partners. Contact us so that we can examine the possibility of a simulation, if required for your application. As each simulation is based on actual spatial application conditions, each simulation run is always customer-specific and supplies tailored results for the relevant application site. The information value of these simulation results is often comparable with results gained from actual measurement series carried out on site, and the time and costs involved can be considerably reduced. General and transferable statements cannot be derived from it due to the changing specific physical characteristics of different application sites. Ray Tracer simulations are nevertheless ideal for considerably speeding up the system planning and analysis of UHF-RFID systems, whilst taking customer-specific application conditions into account. 36 D101831 0713 - BLident® Installation of the UHF System Compatibility Figure 9: Example of a Ray Tracer field strength simulation 2.11 Compatibility All technical data refers to the BL ident® system, i.e. the combinations of BL ident® data carriers, read/ write heads and RFID electronic modules. Completely different values may apply to data carriers of other vendors. D101831 0713 - BLident® Installation of the UHF System 37 The TURCK BL ident® UHF System 2.12 Application areas (examples): The features stated in the previous chapter allow the use of a TURCK BL ident® system in the following sectors: Automotive Transport and handling Machine building Food and beverage Chemical industry Pharmaceutical and petrochemical industry. The system can be used in all areas such as: Assembly lines Materials handling Industrial production Inventory management Logistics Distribution Component picking Transport logistics 38 D101831 0713 - BLident® Installation of the UHF System 3 BL ident® System – Planning 3.1 Selection criteria for data carriers, read/write heads and interface module ....................................... 40 3.2 Transmission zone and read/write distance ........................................................................................ 40 3.2.1 3.2.2 3.2.3 3.2.4 3.2.5 3.2.6 3.2.7 3.2.8 3.2.9 3.2.10 UHF transmission zone ......................................................................................................................................................................... 40 Minimum distance of data carrier to the read/write head ...................................................................................................... 41 Permissible motion direction and alignment of the data carriers ........................................................................................ 41 Reading and writing in static mode ................................................................................................................................................ 42 Reading and writing in dynamic mode (on the fly) ................................................................................................................... 42 Transmission rate .................................................................................................................................................................................... 42 Range difference between reading and writing ......................................................................................................................... 42 Minimum distance between two adjacent data carriers in single mode ........................................................................... 42 Minimum distance between two adjacent data carriers in multiple access ..................................................................... 43 Dwell time Td of the data carrier ....................................................................................................................................................... 43 D101831 0713- BLident® Installation of the UHF System 39 BL ident® System – Planning 3.1 Selection criteria for data carriers, read/write heads and interface module In order to make the right selection of BL ident® system components, the application should be assessed according to the following criteria: Mechanical dimensions, Distance of data carriers to read/write heads for read and write operations, Tolerances in the mechanical guidance/motion within the transmission zone, Static and/or dynamic transfer of data, Data volume to be transferred, Speed of dynamic read and write operations (on the fly), Attenuation characteristics in air and other media (obstacles), reflection and transmission properties on objects of different materials, environmental conditions such as hazardous areas, humidity, temperature, effect of chemicals etc. The following selection criteria apply in particular to read/write heads: Mechanical dimensions, Region of use (Europe, USA ... etc.), Size of the data carrier used, The following criteria must be particularly taken into account when using the interface modules: Degree of protection, Bus type, Number of channels. 3.2 Transmission zone and read/write distance UHF technology makes use of the properties of a radiated electromagnetic wave. The recommended read/write distances depend on the combination of data carrier and read/write head, as well as the spatial physical conditions of the surroundings. The distribution of the radio field depends on the type of antennas in the data carrier and the read/write head, as well as the layout and characteristics of the spatial environment (e.g. reflecting obstacles). 3.2.1 UHF transmission zone As with HF RFID, the size of the UHF transmission zone also depends on the combination of data carrier and read/write head. However, the shape and the extent of the transmission zone is primarily determined here by external environmental factors. As the electromagnetic waves in the UHF band have a larger range, obstacles in the spatial environment of the read/write head, as well the data carrier play a major role. Metallic objects or objects with a high permittivity in particular change the spatial field distribution of the reflected and transmitted radio waves, and thus the condition of the data transmission zone in the air. Obstacles that are not located directly in the connection line between data carrier and read/write head, but for example at the side or rear, also have an effect. The transmission zone can take on a more or less jagged shape – with fading inside it. 40 D101831 0713- BLident® Installation of the UHF System Transmission zone and read/write distance Reserve transmission distances should be allowed for in planning in order to ensure safe operation. Depending on the mounting conditions, this means for example, that only approx. 40 ... 80 % of the maximum possible distance Dread_ideal is actually used for read operations based on the maximum possible read distance Dread_ideal for a particular combination of read/write head and data carrier. The possible distance for a write mode may be even less, e.g. only 50 % of the possible read distance Dread_ideal. Figure10: Possible read/write distances Dread_ideal ca. 40…80 % 100 % Dread_real_max ca. 50 % Dwrite_max Reserve capacity must be included in planning, not only with regard to the possible radio range, but also with regard to time available for accessing the data carrier on the fly within a time window. Note Appropriate range tests in real conditions must be carried out in all cases! 3.2.2 Minimum distance of data carrier to the read/write head With BL ident® a minimum distance between the data carrier and the read/write head is not necessary. 3.2.3 Permissible motion direction and alignment of the data carriers The data carriers can move over the read/write head in any direction. It is only necessary for the data carriers to be aligned parallel to the read/write head.. Note The TN…Q240L280… can either be set for linear or circular polarization via the WebConfig software tool! If linear polarization is selected, the data carrier has to be directed in horizontal or vertical direction. D101831 0713- BLident® Installation of the UHF System 41 BL ident® System – Planning 3.2.4 Reading and writing in static mode In static mode, the data carrier is located in a fixed positioned precisely in front of the read/write head. Unlike HF, UHF allows use up to a greater distance of several meters. In this mode, the processing of a large number of data carriers is possible, however, due to the inhomogeneous UHF field, several transfer attempts may be necessary, and the data carriers may not even be detected in this mode as they are located in a dead zone. Note Reading and writing in static mode is therefore not recommended! 3.2.5 Reading and writing in dynamic mode (on the fly) In on the fly mode, the data carrier moves according to the configuration at a transverse speed past the read/write head. This mode is preferred for the processing of a large number of data carriers, however several transfer attempts may be necessary due to the inhomogeneous UHF field. An additional time reserve for detecting all data carriers must therefore be included in planning. There is also the risk of fading, by which communication with the data carriers may fail and the data carriers may possibly not be detected. 3.2.6 Transfer rate The transfer speed in the UHF band may vary depending on the data carrier and the transmission process used. It is therefore not possible to provide a general calculation formula. However, the transfer speed is generally higher than for HF (ISO 15693). 3.2.7 Range difference between reading and writing The difference primarily depends on the data carrier. Depending on type and mounting location, the range for write operations may only be 30…50 % of the maximum range for read operations in the same conditions (see also “UHF transmission zone” page 40). Note TURCK recommends that write operations in an application are not carried out close to the limit of the transmission zone. 3.2.8 Minimum distance between two adjacent data carriers in single mode In dynamic mode (on the fly) the minimum distance of successive data carriers depends on the data volume and the bus cycle time. Note Appropriate tests to determine the minimum distance of successive data carriers must be carried out before startup. 42 D101831 0713- BLident® Installation of the UHF System Transmission zone and read/write distance 3.2.9 Minimum distance between two adjacent data carriers in multiple access Multiple access means a read/write head can communicate with several data carriers at the same time. The read/write head can thus address a data carrier selectively by means of its UII/EPC. In order to access several data carriers located at the same time within the wireless sensing range of the read/write head, as large a distance between the data carriers should be selected as possible. The minimum distance between the data carriers should be 50 mm. If the data carriers are located close together, it may not always be possible to ensure successful identification via the communication in the air interface. Note Information about the expected performance must be determined by carrying out a function test under specified application conditions. Multiple access requires that all the data carriers involved are located at the same time in the radio field of the relevant read/write head. As this is not always possible due to interference in the environment (e.g. radio reflections) and the spatial distance and arrangement of the data carriers, as well as the need for additional modifications in the application process such as: modifications to the arrangement of the data carriers, changing from static mode to dynamic mode, applications that only access a single data carrier at the same time are often easier to implement. 3.2.10 Dwell time Td of the data carrier The dwell time Td is the time in which the data carrier is in the sensing range of the read/write head on passing. During this time the read/write head can exchange data with the data carrier. In static operation, the dwell time can either be as long as required or zero if the data carrier is located in a dead zone due to interference in the environment. However, the dwell time must be at least as long as necessary to complete communication with the data carrier. In dynamic mode, the dwell time is determined by the system environment. The dwell time must be adapted to the transferred data volume. Conversely this means that the shorter the dwell time, the smaller the data volume that can be transferred. However, with UHF there is a risk of fading, in which communication with the data carriers can fail. Several transfer attempts may therefore be necessary to establish communication due to the inhomogeneous UHF field. The dwell time should therefore allow for enough additional time for further retries. Note The number of automatic retries can be set via the offline parameters of the higher-level controller (PLC). D101831 0713- BLident® Installation of the UHF System 43 BL ident® System – Planning 44 D101831 0713- BLident® Installation of the UHF System 4 Mounting and operating guidelines 4.1 Effect on the performance of the BL ident® system ............................................................................. 46 4.1.1 4.1.2 4.1.3 4.1.4 4.1.5 4.1.6 4.1.7 4.1.8 4.1.9 Minimum / maximum distance between read/write heads .................................................................................................... 46 Minimum distance of read/write heads to conductive materials ......................................................................................... 47 Minimum distance of data carriers to conductive walls .......................................................................................................... 48 Minimum distance between data carriers ..................................................................................................................................... 49 Minimum distance of smart label data carriers between each other .................................................................................. 49 Interaction when using several read/write heads ...................................................................................................................... 49 – Adaptive frequency selection ........................................................................................................................................................ 49 – Frequency hopping procedure ..................................................................................................................................................... 49 Factors influencing the read distance ............................................................................................................................................ 53 Environmental requirements for data carriers ............................................................................................................................ 53 Data carrier orientation in the room ............................................................................................................................................... 54 4.2 Behavior of electromagnetic waves in the UHF range ........................................................................ 55 4.2.1 Effect of reflections and interference .............................................................................................................................................. 55 – Reflections and interference .......................................................................................................................................................... 55 – Reducing the effect of reflections/interference on data carrier detection ................................................................... 55 Effect of liquids and non-metallic substances ............................................................................................................................. 55 Effect of third party components ..................................................................................................................................................... 55 – Reflections and interference .......................................................................................................................................................... 56 – Third party components in the same frequency band ......................................................................................................... 56 4.2.2 4.2.3 D101831 0713 - BLident® Installation of the UHF System 45 Mounting and operating guidelines 4.1 Effect on the performance of the BL ident® system The following important points should be taken into account during design and installation: Minimum / maximum distance between read/write heads Minimum distance of read/write heads to conductive materials Minimum distance between two adjacent data carriers Interaction when using several read/write heads Behavior of electromagnetic waves in the UHF range Parameter assignment of the read/write heads, such as setting the transmission output, operating frequency and RF transmission parameters via the DTM or the RDemo and WebConfig software tools 4.1.1 Minimum / maximum distance between read/write heads The distance between two read/write heads mounted next to each other depends on the transmission output, i.e. the lower the transmission output, the smaller the minimum distance possible. At least 20 cm should be selected as a guide value, and a distance of 50 cm or greater is recommended. Figure 11: Minimum distance between two read/ write heads mounted next to each other 20...50 cm With a portal configuration, the maximum distance between two read/write heads is 3.5 m. Figure 12: Maximum distance for portal configuration Europe max. 3,5 m USA, China max. 4,0 m 46 D101831 0713 - BLident® Installation of the UHF System Effect on the performance of the BL ident® system 4.1.2 Minimum distance of read/write heads to conductive materials A minimum distance of the read/write heads to conductive materials should be observed due to the detuning of the read/write heads through a conductive environment. The following minimum distances must be observed when mounting read/write heads: A minimum distance of 50 cm must be observed between a read/write head and liquids or metals. The distance between the read/write head and the ground must also be at least 50 cm. Figure 13: Minimum distances for mounting read/ write heads metal min. 50 cm min. 50 cm liquid ground Note The effect of interference produced by conductive material in the environment on the radio field of the read/write head, and which may cause detuning, can be compensated using the two RDemo and WebConfig software tools. The read/write head should first of all be tuned with the RDemo software tool via the Antenna tuning function so that the effect of interference on its performance is sufficiently suppressed. If this does not produce the desired result, you should try to compensate the detuning in the next step by using the Auto tuning function which can be activated in the WebConfig software tool after a specific firmware of the read/write head (see the following “Table 14: Firmware versions for read/write heads that support “Autotuning””). This function enables the cyclical, automatic tuning of the radio field in response to the effects of ambient interference; this reduces the operating range of the radio field. Table 14: Firmware versions for read/write heads that support “Autotuning” Read/write head from firmware version TN…-Q240 L280-H1147 1.33 TN…-Q175 L200-H1147 1.39 TN…-Q120L130-H1147 1.39 D101831 0713 - BLident® Installation of the UHF System 47 Mounting and operating guidelines 4.1.3 Minimum distance of data carriers to conductive walls A distance of 20...200 mm is recommended if conductive walls and obstacles are present in the environment that shadow the radio field. The effect of walls is minimized in all cases if the polarization axis is orthogonal to the wall. Figure 14: Minimum distances of data carriers to a conductive wall, polarization axis orthogonal conductive wall polarization axis 50...200 mm A minimum distance to a conductive wall must be observed for the data carriers. This is 50…200 mm parallel to the polarization axis. Figure 15: Minimum distances of data carriers to a conductive wall, polarization axis parallel polarization axis 50...200 mm conductive wall A minimum distance to two conductive walls must be observed for the data carriers. This is 50…200 mm parallel and vertical to the polarization axis. Figure 16: Minimum distance of data carriers to two conductive walls conductive wall polarization axis 50...200 mm 50...200 mm 48 conductive wall D101831 0713 - BLident® Installation of the UHF System Effect on the performance of the BL ident® system 4.1.4 Minimum distance between data carriers A minimum distance of 50 mm must be observed between data carriers. Figure 17: Minimum distances between data carriers 50 mm 4.1.5 Minimum distance of smart label data carriers between each other A minimum distance of 50 mm must be observed between smart labels. Figure 18: Minimum distances between data carriers (smart labels) 4.1.6 50 mm 50 mm Interaction when using several read/write heads If several RFID read/write heads are in operation, there is a danger that RFID data carriers are also read by other read/write heads. It must therefore be ensured that the data carrier is only read by the appropriate read/write head. Technical malfunctions between read/write heads will particularly occur if the read/write heads transmit on the same channel (on the same frequency). There are different methods to prevent this with BL ident®. For example, TURCK read/write heads in Europe use “adaptive frequency agility” (ETSI 302 208 V1.2), and in China, Korea and the USA, the frequency hopping procedure (FCC Rules Part 15). Adaptive frequency agility In order to exclude signal collision, the read/write head using adaptive frequency agility checks before transmitting whether the four receive channels adjacent to the transmit channel concerned (two above and two below the transmit channel) are free. The read/write head only transmits if the adjacent channels are free. The read/write head must transmit up to four seconds on the channel and must then either make a pause of at least 100 milliseconds or jump to a free channel and transmit on this channel for four seconds. Frequency hopping procedure With the frequency hopping procedure used in the USA and China, the read/write head changes its transmit channel in a random or programmed sequence (FHSS – frequency hopping spread spectrum). With 50 channels (USA) and 16 channels (China) available, there is a low probability that two read/write heads are operating on the same frequency. D101831 0713 - BLident® Installation of the UHF System 49 Mounting and operating guidelines Other ways of preventing the interaction between read/write heads are: Observe the necessary minimum antenna distances according to their alignment The necessary minimum distance between the read/write heads using the same frequency depends on the set effective radiant power and the alignment of the antenna. Figure 19: Antenna alignment Tag Tag Tag Tag Tag Tag Table 15: Antenna distances with the same frequency Antenna alignment Required minimum antenna distance = D for Required minimum antenna distance = D for Required minimum antenna distance = D for TN…-Q240 L280H1147 TN…-Q175 L200H1147 TN…-Q120L130H1147 with ERP = 2 W with ERP = 1 W with ERP = 0.5 W Back to back arrangement 1m 0.5 m 0.25 m Side by side 2m 1m 0.5 m Antenna facing each other 5m 2.5 m 1.25 m see “Figure 19:” Note The stated values do not take into account the effect on the data carriers. Use Dense Reader Mode (DRM) for applications in Europe The special DRM = Dense Reader Mode for BL ident® read/write heads enables several read/write heads in close proximity and using one and the same frequency to operate fault-free. In accordance with EPC Global and ETSI EN 302 208 V1.2.1, transmission is implemented on the four transmit channels and the data carrier response appears on the associated adjacent channels. Due to the large difference in signal levels between the transmit channels and the data carrier response channels, this technique offers significant benefits when frequencies are reused. However, this requires the observance of minimum distances and thus a minimum decoupling between the antennas of adjacent read/write heads. 50 D101831 0713 - BLident® Installation of the UHF System Effect on the performance of the BL ident® system Note When the read/write heads are used in Europe, the use of DRM filters is advantageous if several read/write heads are operated in a narrow space. These DRM filters can be switched on manually in the WebConfig software in the Link profiles menu. Synchronize read/write heads using a higher-level controller In order to minimize the interference between read/write heads, their mode should be as synchronized as possible, e.g. via a central controller (PLC), or the TDMA procedure should be used for the transmission. If possible there should always only be one read/write head active for read or write modes and its activation time should be at a minimum. Trigger read/write heads In order to minimize the operating time of the radio field to the time required for communication with the data carrier, the read/write heads should if possible only be triggered on, for example, by means of an additional switch sensor that only activates the radio field if the data carriers are in the sensing range of the read/write head. Create a channel assignment plan TURCK recommends the creation of a channel assignment plan for RFID applications in Europe. For this the read/write heads using the same channel in a spatial environment (e.g. machine hall) should be located as far apart from each other as possible (see “Table 15:”). The following frequency ranges with the associated channels are used in Europe, Korea, the USA or China: Figure 20: Frequency ranges in Europe 200 kHz 600 kHz max. 2.0 W (ERP) read/write signal data carrier response f [MHz] 865.0 865.7 866.3 866.9 867.5 868.0 Note For applications in Europe, the read/write heads should be assigned to and use equally the four channels provided, i.e. when using, for example, 5 read/write heads, not all of them should run on channel 4 whilst channels 7, 10 and 13 remain free. D101831 0713 - BLident® Installation of the UHF System 51 Mounting and operating guidelines Figure 21: Frequency ranges in Korea, Frequency hopping procedure 200 kHz 600 kHz max. 4.0 W (EIRP) read/write signal data carrier response 917.0 917.3 Figure 22: Frequency ranges in the USA, frequency hopping procedure 917.9 918.5 919.1 919.7 f [MHz] 920,3 920,8 500 kHz max. 4.0 W (EIRP) 50 channels 902.0 902.5 902.75 Figure 23: Frequency ranges in China, Frequency hopping procedure 927.5 928.0 927.25 f [MHz] 250 kHz max. 2.0 W (ERP) 16 channels 920.125 52 920.5 920.625 924.5 924.375 924.875 f [MHz] D101831 0713 - BLident® Installation of the UHF System Effect on the performance of the BL ident® system Set the transmission output and possibly other read/write head parameters In order to reduce the mutual interference between components in the application, a practical transmission output setting and if necessary other read/write head parameters should be ensured, for example, via the DTM or the RDemo and WebConfig software tools. Use mechanical shielding If necessary, TURCK also recommends the use of mechanical shielding, such as mesh grills as a further measure to reduce interference, such as the faulty and unintended detection of data carriers positioned further away. 4.1.7 Factors influencing the read distance The read range between the read/write head and the data carrier is influenced by the following factors: Transmission output of the read/write head: The higher the transmission output, the greater the read distance. Size and design of the data carrier: The larger the antenna of the data carrier, the greater the energy consumption and therefore the greater the read distance. Absorption factor of materials: The greater the absorption of the materials in the environment, the smaller the read distance. Reflective properties of the environment: In a multi-reflective environment (e.g. in rooms with reflective surfaces, machines, concrete walls) the read distance can be considerably higher than in an environment with low reflective properties.Fading is possible! Data carrier frequency tuning: Data carriers optimized for specific regions such as with the 865…868 MHz frequency band for Europe, normally offer in this region higher read distances than data carriers designed with a broad frequency band such as 860…960 MHz. 4.1.8 Environmental conditions for data carriers The data carrier must not be placed directly on metal surfaces or on liquid containers. This does not apply to specially designed data carriers which can be mounted directly on metal. The possible read/ write distance can nevertheless be reduced! A minimum distance between the data carriers and conductive material must be ensured due to the physical factors involved. A minimum distance of 5 cm is recommended. However, a greater distance (between 5 and 20 cm) is recommended. Liquids such as water and aqueous substances, ice, carbon have a higher RF attenuation in the UHF band. The electromagnetic energy is partly reflected and absorbed so that the data carrier must not be mounted directly on containers of liquid. The mounting of a data carrier on a non-conductive material (plastic, wood) is normally less critical than mounting on material with low conductivity. Note Appropriate range tests in real conditions must be carried out in all cases! D101831 0713 - BLident® Installation of the UHF System 53 Mounting and operating guidelines 4.1.9 Data carrier orientation in the room The orientation of the data carrier antenna to the antenna of the read/write head determines the read range. In order to achieve optimum performance and maximum read range, the data carrier antenna must be aligned parallel to the read/write head. Figure 24: Parallel data carrier alignment If the data carrier antenna is aligned vertically to the read/write head, this will only result in poor performance and a minimum read range. Vertical alignment should therefore be avoided. Figure 25: Vertical data carrier alignment 54 D101831 0713 - BLident® Installation of the UHF System Behavior of electromagnetic waves in the UHF range 4.2 Behavior of electromagnetic waves in the UHF range 4.2.1 Effect of reflections and interference Reflections and interference Electromagnetic waves in the UHF range behave and are propagated in a similar way to light waves, i.e. they are reflected on large objects such as ceilings, floors, walls, windows and interfere with each other. Due to the nature of electromagnetic waves interference may cause wave amplification, which will increase the read range. In unfavorable circumstances, interference may also cause wave cancellation and therefore lead to fading. Due to these electromagnetic properties in a multi-reflective environment as they occur in the actual environment onsite, it is difficult to determine in advance the propagation paths and field strength for a particular location. Note Appropriate range tests in real conditions must be carried out in all cases! Reducing the effect of reflections/interference on data carrier detection Reduce transmission output: In order keep interference to a minimum, we recommend reducing the transmission output of the read/write head so that it is sufficient for a detection rate of 100 %. Synchronize read/write heads through a higher-level controller: The operation of the read/write heads between each other should be synchronized as much as possible, for example using a central PLC, in order to minimize the interference between them. 4.2.2 Effect of liquids and non-metallic substances Non-metallic substances can also affect the propagation of electromagnetic waves. If non-metallic substances/bodies that absorb UHF radiation are present in the propagation field, this can change the field or cause the cancellation of the field depending on the size and distance involved. Liquids and aqueous substances, ice, carbon have a higher RF attenuation in the UHF band. The electromagnetic energy is partly reflected and absorbed. Oil and petroleum-based liquids have low attenuation properties. Electromagnetic waves penetrate these liquids and are only slightly attenuated. 4.2.3 Effect of third party components The R&TTE directive and the relevant standards stipulate the requirements for electromagnetic compatibility. This includes third party components of the BL ident® system. Although the requirements for electromagnetic compatibility are defined, different components nevertheless produce mutual interference. The performance of the BL ident® system very much depends on the electromagnetic environment of the read/write heads. Reflections and interference Electromagnetic fields of the read/write head are weakened by absorbing materials and reflected by conductive materials. If electromagnetic fields are reflected, the reflecting fields and the fields of the read/write heads produce overlays (interference). D101831 0713 - BLident® Installation of the UHF System 55 Mounting and operating guidelines Third party components in the same frequency band Third party components may possibly transmit in the same frequency band as the read/write head. Alternatively, the third party components may transmit in other frequency bands with side bands that overlap the frequency bands of the read/write head. This may cause a decrease in the signal-tointerference ratio, thus reducing the performance of a BL ident® system. 56 D101831 0713 - BLident® Installation of the UHF System 5 Startup with the RDemo and WebConfig software tools 5.1 Testing, parameter assignment and configuration of the read/write heads ....................................... 58 5.1.1 5.1.2 Testing with RDemo............................................................................................................................................................................... 58 Parameter assignment and configuration with WebConfig.................................................................................................... 59 D101831 0713 - BLident® Installation of the UHF System 57 Startup with the RDemo and WebConfig software tools 5.1 Testing, parameter assignment and configuration of the read/write heads The RDemo and WebConfig software application enables the read/write heads to be fully tested, parameterized and configured via a PC. These software tools are only designed for users wishing to make additional settings to the read/write heads other than the parameter options of BL ident®. The following additional components are required to use these RDemo and WebConfig software applications with the UHF read/write head: the TURCK interface converter STW-RS485-USB (Ident no. 7030354) the TURCK power supply unit STW-RS485-USB-PS (Ident no. 7030355) a PC or a laptop a standard USB connection cable with a type A connector variant at one end and a type B connector at the other a single-ended TURCK standard sensor cable or BL ident® cable such as RK4.5T-2/S2500, RK4.5T-2/S2501 or RK4.5T-2/S2503 5.1.1 Testing with RDemo The RDemo software application enables you to also test the UHF RFID read/write heads without integration into the BL20/BL67 system. The software also offers the following options: Reading and writing of data carriers Display of data carrier user data (also graphically) Show the communication between the PC and the read/write heads Record the communication between the PC and the read/write head Transfer customer-specific commands Transfer data with multiple access Transfer data carrier-specific commands 58 D101831 0713 - BLident® Installation of the UHF System Testing, parameter assignment and configuration of the read/write heads 5.1.2 Parameter assignment and configuration with WebConfig The WebConfig software application enables the extensive parameterization and configuration of the read/write heads. The various setting options in WebConfig for the BL ident® read/write heads include the following: (Event handling) event handling with regard to LEDs/buzzers/messages (Gen2 Selection and truncate) Selection of data carriers and the setting of a status. The selection is made by filtering data carriers with a specific data sequence in one of the memory banks (Data matching) Filtering of the data of the data carrier by means of its UII (Access) Setting the access to data carriers, e.g. with multiple access (Frequency setup/channel mask) Used transmission frequency/channel assignment (Inventory profiles) Selection of parameters for multiple access to the data carriers (Link profiles) Selection of parameters in the wireless transmission protocol (see also “Interaction when using several read/write heads” page 49 ) (Post read filter) Filtering of data carrier read operations D101831 0713 - BLident® Installation of the UHF System 59 Startup with the RDemo and WebConfig software tools 60 D101831 0713 - BLident® Installation of the UHF System 6 EMC Guidelines 6.1 Target group ........................................................................................................................................ 62 6.2 Propagation of electromagnetic interference ..................................................................................... 62 6.3 RFID interference ................................................................................................................................. 63 6.4 EMC – Definition................................................................................................................................... 63 6.5 Basic rules for ensuring EMC ................................................................................................................ 64 6.5.1 6.5.2 6.5.3 6.5.4 Installation in a control cabinet.......................................................................................................................................................... 65 Preventing interference sources........................................................................................................................................................ 65 Equipotential bonding .......................................................................................................................................................................... 65 Shielding the cables ............................................................................................................................................................................... 66 D101831 0713 - BLident® Installation of the UHF System 61 EMC Guidelines 6.1 Target group These EMC guidelines are aimed at: Design engineers and planners involved in the planning the installation with the RFID modules to be configured. Fitters, service technicians and engineers using this description to ensure the proper installation of the connection cables or having to rectify faults if interference is present. This chapter provides more information about the EMC guidelines, particularly: Propagation of electromagnetic interference Definition of EMC Basic rules for ensuring EMC, Installation in a control cabinet, Preventing interference sources, Equipotential bonding, Shielding the cables. 6.2 Propagation of electromagnetic interference Electromagnetic interference can only occur in an installation if the following elements are present: Interference source, Coupling path, Interference sink. Interference cannot occur if one of these elements is missing (such as the coupling path), even if the interference source has strong interference emissions (“Figure 26: Interference components” ): Figure 26: Interference components source of interference e.g. motor link e.g. cable connector susceptible equipment e.g. read/write head The measures to prevent interference (EMC measures) are applied to all three elements. When designing an installation, the manufacturer must take all possible measures to counteract the occurrence of interference sources. The installation must also be implemented in such a way that the mutual interference of the individual elements is prevented or is kept as low as possible. 62 D101831 0713 - BLident® Installation of the UHF System RFID interference 6.3 RFID interference Problem: Radiated interference via the current supply through the use of power supply units. Remedy: Use a stabilized power supply unit. Problem: Interference via the serial connection cable. Remedy: Improved cable shielding and/or grounding of the read/write head. Problem: HF interference via the antenna through another RFID read/write head. Remedy: Position the antennas further apart from each other or change the alignment of antennas to each other. Install suitable damping materials between the antennas. Reduce the power of the read/write heads. Problem: HF interference via the antenna through a different wireless system that is transmitting in the same frequency band. Remedy: For example a change of channel can provide a remedy, depending national radio regulations. Coupling paths There are four types of interference coupling: Galvanic coupling, Capacitive coupling, Inductive coupling, Radiative coupling. This interference coupling has different causes: On cables and lines: Incorrect our unfavorable cable routing, Missing or incorrectly connected shield, Spatially unfavorable cable arrangement. With control cabinets or housings: Missing or incorrectly wired equipotential bonding, Missing or incorrect grounding, Spatially unfavorable arrangement, Insecurely mounted modules, Unfavorable control cabinet layout. 6.4 EMC – Definition The electronic elements of an installation are increasingly exposed to interference due to the increasing density of installed components, the increasing amount of power electronics connected and the faster switching speeds involved. The is always subject to the following principle: The higher the degree of automation, the greater the risk of mutual interference. Definition of EMC: “By electromagnetic compatibility (EMC) is meant the ability of an electrical or electronic device to operate satisfactorily in an electromagnetic environment without affecting or interfering with the environment over and above certain limits.” D101831 0713 - BLident® Installation of the UHF System 63 EMC Guidelines As the RFID modules are only components within an overall system and may produce new interference sources through the combination of various components, the design of an installation must comply with specific regulations. The interference immunity of an installation requires the implementation of a complete package of measures; in this case, the operator is responsible for the RFI suppression of the entire installation. This person must also observe the relevant national specifications and regulations. All measures that are implemented when the system is installed will save expensive modifications and fault rectification measures made later. 6.5 Basic rules for ensuring EMC Observe the following basic rules to ensure electromagnetic (EMC): Shielding through housing Protect the device from external interference by installing it in a cabinet or housing. The cabinet or the housing must be integrated in the chassis ground. Shield electromagnetic fields of inductive loads from the device using partition plates. Use metal connector housings for shielded data transmission cables. Large-area ground connection Connect all passive metal parts to the chassis ground using an HF low impedance connection across a large area. Establish a large-area connection between the passive metal parts and the central grounding point. Incorporate the shield ground in the chassis grounding system, i.e. the shield ground must be connected to chassis ground with a large-area connection. Planning the cable installation Break the cabling down into cable groups and install these separately. Always route power cables and data cables in separate ducts or in separate bundles. Feed the cabling into the cabinet from one side only and, if possible, on one level only. Route the data cables as close as possible to chassis surfaces. Twist the feed and return conductors of separately installed cables. In many cases, a separate cable duct for the bus cable is provided anyway. Ideally this should likewise be used for laying the data cables between the read/write heads and the interface modules. Shielding the cables Shield the data transmission cables and connect the shield at both ends. Shield the analog cables and connect the shield at one end, e.g. on the drive unit. Always apply large-area connections between the cable shields and the shielding bus at the cabinet entry and fasten with a low impedance contact using clamps. Feed the connected shield through to the module without interruption. Use braided shields, not foil shields. Line and signal filters Use only line filters with metal housings. Connect the filter housing to the cabinet chassis using a HF low impedance large-area connection. Never fix the filter housing to painted surfaces. Fix the filter at the control cabinet entry or in the direction of the interference source. 64 D101831 0713 - BLident® Installation of the UHF System Basic rules for ensuring EMC 6.5.1 Installation in a control cabinet Magnetic and electrical fields and electromagnetic waves can be kept away from the interference sink by using a metal housing. The easier the induced interference current can flow, the greater the intrinsic weakening of the interference field. All housings and metal panels in the cabinet should therefore be connected with a low impedance connection. If the control cabinet panels are insulated from each other, an HF low impedance connection can be established using ribbon cables and HF terminals or HF paste (the larger the area of the connection, the better). Interference can also be prevented through optimum control cabinet design. In this case the following applies as a general rule: The effect of the interference decreases as the distance between the interference source and interference sink increases, The interference can be further decreased by installing shielding plates, Signal cables should have a minimum clearance from power cables or load cables of 10 cm. Interference from the power supply should be prevented through the installation of line filters. Ensure that the line filter is correctly rated and is mounted directly at the cabinet entry. 6.5.2 Preventing interference sources Prevent the installation of interference sources that particularly occur with switched inductances. Relays, contactors, fluorescent lights in the control cabinet and valves are particular sources of interference, which can be prevented through the use of RC circuits, free-wheeling diodes etc. This also prevents stray interference on conductors installed parallel to the coil conductors. 6.5.3 Equipotential bonding Potential differences between different parts of a plant can arise due to the different design of the plant sections and different voltage levels. Equalizing currents then flow across the signal cables (the equipotential bonding must not be confused with the protective ground conductor). Proper equipotential bonding is therefore essential. The following points must be observed: The equipotential bonding conductor must have a sufficiently large cross section (at least 10 mm 2) The distance between the signal cable and the associated equipotential bonding conductor must be as small as possible (antenna effect) A fine-strand conductor must be used (better high-frequency conductivity) When connecting the equipotential bonding conductors to the central equipotential bonding strip (EBS), the power components and non-power components must be combined The equipotential bonding conductors of the individual modules must lead directly to the equipotential bonding strip. The better the equipotential bonding in an installation, the smaller the chance of interference due to fluctuations in potential. Equipotential bonding should not be confused with the protective grounding of an installation. Protective grounding prevents the occurrence of excessive shock voltages in the event of equipment faults whereas equipotential bonding prevents the occurrence of differences in potential. D101831 0713 - BLident® Installation of the UHF System 65 EMC Guidelines 6.5.4 Shielding the cables Signal cables must be shielded in order to prevent the coupling of interference. The best shielding is achieved by installing the cables in steel tubes. However, the use of cables with braided shields is normally enough. In either case, however, correct connection is vital for effective shielding, since an unconnected or incorrectly connected shield has no shielding effect. The following always applies: Since interference signals are frequently within a range > 10 kHz, a large-area shield connection is necessary, The shielding bus should be connected to the control cabinet housing using a low impedance connection across a large area and must be situated as close as possible to the cable entry. The cable insulation must be removed and the cables clamped to the shielding bus with an HF clamp or secured using cable ties, The shielding bus must be connected to the PE rail If shielded cables have to be interrupted, the shield must be continued via the connector housings of suitable male connectors, If intermediate connectors are used, which do not have a suitable shield connection, the shield must be continued by fixing cable clamps at the point of interruption. 66 D101831 0713 - BLident® Installation of the UHF System 7 BL ident® – Data carriers for the UHF band 7.1 Function ............................................................................................................................................... 68 7.1.1 7.1.2 Memory module ...................................................................................................................................................................................... 68 Data carrier antenna............................................................................................................................................................................... 68 7.2 Type overview of the data carriers....................................................................................................... 69 D101830 0713 - BLident® Installation of the UHF System 67 BL ident® – Data carriers for the UHF band 7.1 Function The BL ident® data carriers are suitable for non-contact read and write operations with the appropriate read/write heads. The operating frequency in the UHF band is between 865 MHz and 928 MHz, depending on the region where the system is to be used. Different transmission distances are possible, depending on the dimensions of the data carrier and therefore the dimensions of its dipole antenna. The following applies as a general rule: The smaller the data carrier and therefore also the antenna, the shorter the distance. The mounting forms are available as EEPROM memory variants. The BL ident® data carrier essentially consists of a microchip with an integrated memory and dipole antenna. (“Figure 27: Block diagram of a data carrier”). Figure 27: Block diagram of a data carrier modulator memory control logics demodulator UB 7.1.1 Memory module The information on the data carrier can be read – however it is also possible to add new data (read/ write). The size of the memory varies according to type and is in all between 28 bytes and 138 bytes. The memory module consists of the following components: EEPROM: Unlimited reading but limited write cycles (105) possible. No battery required. The data retention time of the memory is: 1 year at 85 °C 10 years at 55 °C 120 years at 25 °C Electrical fields cannot erase the memory as their field strength is normally too low and these fields do not resonate due to the frequency tuning. 7.1.2 Data carrier antenna UHF data carriers normally have similar reception characteristics to a dipole antenna with a linear polarization. Depending on how the data carrier is fitted, horizontal, vertical or mixed polarization is used. 68 D101830 0713 - BLident® Installation of the UHF System Type overview of the data carriers 7.2 Type overview of the data carriers The RFID operating frequencies in the UHF band are subject to national specifications, for example 865...868 MHz in Europe and 902...928 MHz in the USA. TURCK offers different data carrier variants that are specially designed and optimized for national frequency bands in order to achieve as large a transmission range as possible. Wide-band multi-range data carriers for international use are also available as an alternative. Besides the frequency ranges, the selection criteria for the data carrier depend on the application at hand. Data carriers for the direct mounting on metal, for attaching with a metal loop, as well as smart labels and high temperature versions are therefore available in addition to the standard mounting forms. Customized data carrier solutions that are tailored to the relevant application are also available on request. Table 16: Type overview of the data carriers Dimensions/housing Memory Memory length size [Byte] Operating temperature Special features Type designation [° C] 112 EEPROM -40...+85 TW865-868-Q22L36Designed exclusively M-HT-B112 for direct mounting on metal, high temperature 112 EEPROM -20...+80 Designed exclusively for direct mounting on metal, TW865-868-Q27-MB112 Suitable for direct mounting on metal TW865-868-Q14L60M-B110 ø 2,5 28,5 36 22 ø 3,4 ø 7,4 27 5,5 TW902-928-Q27-MB112 27 110 EEPROM 12 60 -35...+85 TW902-928-Q14L60M-B110 14 D101830 0713 - BLident® Installation of the UHF System 69 BL ident® – Data carriers for the UHF band Dimensions/housing Memory Memory length size Table 16: (cont.) Type overview of the data carriers [Byte] Operating temperature Special features Type designation Clip with metal loop for fixing TW865-928-Q20L58B110 [° C] 110 8,5 EEPROM -30...+70 10 Customized labeling 57,5 45,9 19 20 112 EEPROM -40...+70 Flexible mounting form, for fixing on bent or irregular surfaces 112 EEPROM -40...+80 suitable for TW860-960-Q27L97direct M-B112 mounting on metal, suitable for outdoor applications 110 EEPROM -40...+85 Designed exclusively for direct mounting on metal ø3 70 TW860-960-Q25L77B-B112 77 25 15 ø 5,3 82 97 27 ø 5 (2x) 10 47,5 70 TW865-868-Q47L51M-B110 TW902-928-Q47L51M-B110 40 51,5 D101830 0713 - BLident® Installation of the UHF System Type overview of the data carriers Table 16: (cont.) Type overview of the data carriers Dimensions/housing Memory Memory length size [Byte] Operating temperature Special features Type designation Ø 50 mm with central hole TW865-868-R50B110 [° C] 110 EEPROM -20...+85 ø 4,9 ø 50 TW902-928-R50B110 3,2 110 EEPROM -25…+85 High TW865-868-Q51-HTtemperature B110 110 EEPROM -35...+60 can be inserted in drill holes with Ø 13 mm, e.g. wood TW860-960-L73-14C-B110 110 EEPROM -35...+85 selfadhesive, suitable for direct mounting on metal TW865-928-L76-1821-F-M-B110 44 EEPROM -20...+65 Smart label TW865-868-L80-20T-B44 ø 5,5 ø 10,5 6,5 51 51 6 10 14 70 73 21 76,2 18 1,1 20 80 D101830 0713 - BLident® Installation of the UHF System 71 BL ident® – Data carriers for the UHF band Table 16: (cont.) Type overview of the data carriers Dimensions/housing Memory Memory length size [Byte] Operating temperature Special features Type designation Smart label TW860-960-L97-15F-B44 [° C] 44 EEPROM -10…+85 11 15 93 97 72 D101830 0713 - BLident® Installation of the UHF System 8 BL ident® read/write heads for the UHF band 8.1 Function ............................................................................................................................................... 74 8.1.1 Read/write head antenna..................................................................................................................................................................... 74 8.2 Type overview of the read/write heads ............................................................................................... 75 8.3 Connecting the read/write heads ........................................................................................................ 76 8.3.1 Connecting the grounding terminal ................................................................................................................................................ 76 8.4 LED functions of the read/write heads ................................................................................................. 77 8.5 Wall mounting of the TN...-Q240L280-H1147 read/write head .......................................................... 78 8.6 Mast/tube mounting of the TN...-Q240L280-H1147 read/write head ................................................. 78 D101831 0713 - BLident® Installation of the UHF System 73 BL ident® read/write heads for the UHF band 8.1 Function The BL ident® read/write heads (transceivers) are used for non-contact data exchange with the appropriate data carriers (tags). The UHF read/write heads form a transmission zone for which the size depends on the combination of read/write head, data carrier and the relevant ambient conditions. The maximum read/write distances only represent typical values under laboratory conditions without the effect of materials. The achievable distances may be different due to component tolerances, mounting location in the application, ambient conditions and the effect of materials (particularly metal and liquids). Note For this reason, the application must be tested (particularly with read and write operations in motion) under real conditions! The operating frequency in the UHF band is between 865 MHz and 928 MHz, depending on the region where the system is to be used. The read/write head consists of an electronic unit and an antenna. (“Figure 28: Block diagram of a read/ write head”) Figure 28: Block diagram of a read/write head Demodulator Modulator Generator 8.1.1 Read/write head antenna The antenna is a radiating element with different designs and properties depending on type. It is used for transferring data between the data carrier and the read/write head. If the alignment of the data carriers is unknown, or an alternating alignment is expected, the antenna should have a circular polarization. Circular polarization is either left-hand or right-hand circular polarization (LHCP and RHCP). When using read/write head antennas with linear polarization, ensure that the antenna and the data carrier have identical polarization (e.g. vertical or horizontal). Due to the operating principle, no special requirements need be observed to suppress the orthogonal components (cross-polarization). The antenna polarization of the TN…-Q240L280-H1147 read/write head can also be preselected via the WebConfig software tool. Depending on the application, it is therefore possible to set polarization to LHCP, RHCP, vertical and horizontal during the startup. 74 D101831 0713 - BLident® Installation of the UHF System Type overview of the read/write heads 8.2 Type overview of the read/write heads Table 17: Type overview of read/write heads Dimensions/housing Mounting length requirements not flush LED Special features Connection Type designation Polarization via selectable, BL ident® linear/circular cable TN865-Q240L280-H1147 TN902-Q240L280-H1147 238 TN840/920-Q240L280H1147 86 TN902/915-Q240L280H1147 278 M12 not flush LED Compact mounting form, IP67 via BL ident® cable TN865-Q175L200-H1147 TN902-Q175L200-H1147 175 TN840/920-Q175L200H1147 60 TN917-Q175L200-H1147 200 M12 not flush LED 120 Very compact via mounting BL ident® form, cable IP67 TN865-Q120L130-H1147 TN902-Q120L130-H1147 TN840/920-Q120L130H1147 60 TN917-Q120L130-H1147 130 M12 D101831 0713 - BLident® Installation of the UHF System 75 BL ident® read/write heads for the UHF band 8.3 Connecting the read/write heads The read/write heads are connected with the BL ident® RFID electronic module via M12 × 1 male connectors. The power supply (24 VDC) and function are implemented with the BL ident® RFID electronic module. Caution Possible device damage with BL20 due to incorrect connection of the power supply to the BL ident® RFID electronic module The power supply of the read/write heads must not be connected via the BL20 base modules because the current via the RFID I/O modules is not sufficient. While the wiring of the data cables is implemented via the base modules, the power supply must be implemented directly via the .../S2500, .../S2501 and .../S2503 supply cables! Note Only read/write heads with a sticker on the back (as shown in figures 22 to 24) can be used on the devices with the TURCK systems BL20, BL67 and BLcompact). Refer to the enclosed packing slips for further information on connecting. The .../S2500 cables have the wiring diagram shown in (“Figure 29: Wiring diagram for .../S2500 cables”). Figure 29: Wiring diagram for .../S2500 cables 1 BN 3 BU 4 WH 2 BK Data Data The .../S2501 cables have the following wiring diagram (“Figure 30: Wiring diagram for .../S2501 cables”). Figure 30: Wiring diagram for .../S2501 cables 1 BN 3 BU 4 BK 2 WH Data Data The .../S2503 cables have the following wiring diagram (“Figure 31: Wiring diagram for .../S2503 cables”). Figure 31: Wiring diagram for .../S2503 cables 76 1 RD 3 BK 4 WH 2 BU Data Data D101831 0713 - BLident® Installation of the UHF System LED functions of the read/write heads 8.3.1 Connecting the grounding terminal Depending on the device type, the grounding terminal is pre-assembled on the read/write head or is supplied with the device. When installing the read/write head on the tab connector ensure that the supplied cable lug is connected and properly grounded via a yellow/green cable with a cross section of at least 0.75 mm2. 8.4 LED functions of the read/write heads The arrangement of the three LEDs on the front of the device varies depending on the type of read/ write head (arrangement from left to right): TN…-Q120/Q175: LED 1 = green, LED 2 = yellow, LED 3 = red TN…-Q240: LED 1 = yellow, LED 2 = green, LED 3 = red The functions of the LEDs are as follows: Table 18: LED functions LED 1 LED 2 LED 3 Function OFF OFF OFF Operating voltage switched off White White White Startup Green OFF OFF Operating voltage switched on, radio field switched off, no internal error Green yellow OFF Operating voltage switched on, radio field switched on, no internal error Green yellow Red Operating voltage switched on, radio field switched on, internal error Green OFF Red Operating voltage switched on, radio field switched off, internal error Green flashing OFF OFF Data carrier access successful Green yellow flashing Data carrier located in the radio field Note The individual LEDs are white on startup. D101831 0713 - BLident® Installation of the UHF System 77 BL ident® read/write heads for the UHF band 8.5 Wall mounting of the TN...-Q240L280-H1147 read/write head with the RH-Q240L280/Q280L640 arm bracket available as an accessory For wall or ceiling mountings, the arm bracket can be fitted directly to the mounting plate of the read/ write head. The bracket enables the read/write head to be positioned in many directions. The two fixing ends of this element are connected to a rotatable arm via ball-joints. The hexagon key supplied is used to fix the bracket in the desired position. Figure 32: Wall bracket 8.6 Mast/tube mounting of the TN...-Q240L280-H1147 read/write head with supplied bracket The rear of the read/write head is designed for mounting on masts/tubes using the supplied fixing. In order to mount the read/write head on masts/tubes, the rear of the device is designed so that it is possible to align it around its vertical or horizontal axis. The jagged tube guides on the rear ensure a secure fixing on the tube. This enables a 360° adjustment around the tube and ensures a secure mounting of the read/write head. Figure 33: Mast/tube bracket 78 D101831 0713 - BLident® Installation of the UHF System 9 Approvals 9.1 CE approvals (only for the TN865-… read/write head) ........................................................................ 80 9.2 FCC digital device limitations (only for read/write head TN902-…) .................................................... 80 9.3 ANATEL approval (only for read/write head TN902/915-…)................................................................ 80 9.4 SRRC approval (only for read/write head TN840/920-…) .................................................................... 81 9.5 KSQ approval (only TN917-…) ............................................................................................................. 81 D101831 0713 - BLident® Installation of the UHF System 79 Approvals 9.1 CE approvals (only for the TN865-… read/write head) Hans Turck GmbH & Co.KGm declares herewith that this RF system in its intended use complies with the basic requirements and the other relevant provisions of the RTTE Directive 1999/5/EC. A complete declaration of conformity is available on request and is enclosed with every UHF RFID read/ write head. Approval in all European countries. 9.2 FCC digital device limitations (only for read/write head TN902-…) FCC/IC digital device limitations Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. This equipment complies with FCC/IC exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. CAN ICES-3 (A)/NMB-3(A) Use only with listed LPS or class 2 power supply! 9.3 ANATEL approval (only for read/write head TN902/915-…) TN902/915-Q240L280-H1147 Este equipamento opera em caráter secundário, isto é, não tem direito à proteção contra interferéncia prejudicial, mesmo de estações do mesmo tipo e não pode causar interferéncia a sistemas operando em caráter primário. 80 D101831 0713 - BLident® Installation of the UHF System SRRC approval (only for read/write head TN840/920-…) 9.4 SRRC approval (only for read/write head TN840/920-…) In accordance with the provisions on the radio regulations of the People‘s Republic of China, the following radio transmission equipment, after examination, conforms to the provisions with its CMIITID: TN840/920-Q240L280-H1147 TN840/920-Q175L200-H1147 TN840/920-Q120L130-H1147 9.5 KSQ approval (only for read/write head TN917-…) In accordance with the provisions on the radio regulations of Korea, the following radio transmission equipment, after examination, conforms to the provisions: TN917-Q175L200-H1147 TN917-Q120L130-H1147 D101831 0713 - BLident® Installation of the UHF System 81 Approvals 82 D101831 0713 - BLident® Installation of the UHF System 10 Glossary Automation device A device with inputs and outputs for controlling a connected technical process. Programmable logic controllers (PLCs) are a special group of automation devices. User area freely available memory area on which user-specific data can be stored. Bus Group signal line for data exchange between hardware components (e.g. between CPU, memory and I/O levels). A bus can be composed of a number of parallel cables (addressing, control and power supply) for data transmission. Bus system The totality of all units that communicate with one another via a bus. CPU Acronym for “Central Processing Unit”. Central unit for data processing, the core of a computer. dBm The power level LP (L = level, P = power) is defined in dB as follows: dB (decibel) is the unit of the power level LP that describes the ratio of a power value P1 in comparison to a reference power value P0. If the reference value is 1 mW (milliwatt) the measured value is stated in dBm (m = milliwatt). LP = 10 log(P1/P0) with P0 = 1 mW => LP (dBm) = 10 log(P1/1 mW) and conversely, if the power is required in mW: P1(mW) = 10(Lp(dBm)/10) Distribution Distribution comprises all activities related to the transfer of goods between economic entities. DIN German acronym for German Industrial Standard. DP master class 1 The automation system (PLC) which is mainly responsible for the cyclical processing of process data. The “DPV1” functions can be employed additionally / optionally. (also DPM1/DPC1). DP master class 2 Exclusive transmission of acyclical demand data. This data transmission can be carried out, for example, using an engineering tool (PC application program). DPV1 Functional extension to PROFIBUS-DP. In addition to the cyclical process data, demand data can be transmitted via acyclical communication functions. The acyclical services are conducted at the same time and in addition to the cyclical process data transmission with lower priority. EEPROM - Electrically Erasable Programmable Read-Only Memory EEPROM is the name given to a non-volatile, electronic memory module. An EEPROM consists of a field effect transistor matrix with an insulated floating gate, in which each transistor represents a bit. D101831 0713 - BLident® Installation of the UHF System 83 Glossary EMC Electromagnetic compatibility (EMC) denotes the normally desired state in which technical devices do not cause or suffer undesired electrical or electromagnetic interference to or from other devices in the same environment. EPC The electronic product code (EPC) is an international code system for a unique identification number, by which products, stock-keeping units (outer packaging, transport pallets etc.), systems, services, documents, reusable transport containers and locations (e.g. buildings (sections) or warehouse sites) can be uniquely designated and identified. In combination with RFID technology it can be used for the detection and tracing of objects fitted with a transponder with EPC without visual or physical contact. EPC enables the unique identification of objects by class or type (e.g. a GTIN) and instance (in this case, a serialized GTIN[1]) (e.g. commercial unit, stock-keeping unit or transport container). For this the EPC is stored on a data carrier which is fitted to the object to be identified. An RFID chip in compliance with ISO 18000-6C is normally used as a data carrier to store and transmit the code. Ground In electrical engineering, the name given to a conductive area with an electrical potential of zero at any point. The electrical potential of the ground may not equal zero in the area around grounding devices, in which case this is called the “reference ground”. Grounding The connection of an electrically conductive component to the ground using a grounding device. Grounding device One or several components that have direct and good contact with the ground. ERP/EIRP The effective radiated power (ERP) is the product of the power supplied in the transmitting antenna multiplied by the antenna gain (referenced to a half-wave dipole). If no direction is stated, the value applies to the main direction of radiation from the transmitting antenna where its greatest antenna gain is present at the same time. If the antenna gain is referenced to the isotropic antenna, it is called EIRP (Effective Isotropic Radiated Power). Fieldbus Data network on the sensor/actuator level. A fieldbus connects the devices on the fieldbus level with a control device. A fieldbus offers high transmission security and a real-time behavior. Frequence hopping This procedure is designed to prevent mutual interference between read/write heads. For this the read/write head changes its transmitting channel according to a random or programmed sequence (FHSS). With 16 channels that are permitted for simultaneous operation in China and 50 channels in the USA, this reduces the probability that two read/write heads are operating on the same frequency. GSD - General Station Description (previously device master file) The GSD file describes the characteristics of the devices used in PROFIBUS-DP. The GSD file is a readable text file and is supplied in different languages. Configuration tools require the device information in order to complete the configuration and commissioning. The GSD file normally contains general information (e.g. vendor name and version) and with modular devices the communication features (e.g. module designations, texts for diagnostic messages, parameter options, parameter names) of the individual modules. Hexadecimal Numerical system with a base of 16. The sequence begins with 0 to 9 and continues with the letters A, B, C, D, E and F. 84 D101831 0713 - BLident® Installation of the UHF System LI IEC 61131 IEC 61131 is an international standard that covers the basic requirements of programmable controllers. Initialization During initialization, the memory space is reserved and filled with initial values (such as variables, code, buffer, ...) required for the execution. IP - International Protection The degree of protection (IP) specifies the suitability of electrical equipment (such as devices, installation material) for different environmental conditions in addition to the protection of persons from potential hazards during use. Configuring Systematic arrangement of the I/O modules of a station. LSB Least significant bit. Bit with the lowest numerical significance. Logistics Logistics is the science of the overall planning, control, implementation, provision, optimization and monitoring of processes for the relocation of goods, data, energy and persons, as well as the necessary methods of transport. Master In a master-slave process on the fieldbus, the master controls the access relationships. Mode Operating mode. MSB Most significant bit. Bit with the highest numerical significance. Parameterization The setting of parameters for the individual bus stations and their modules in the configuration software of the DP master. PIB Acronym for Proxy Ident Block. This function block represents an ID system in the controller. This provides a standard program interface to the actual application. Bulk reading Simultaneous and unambiguous reading of several RFID data carriers that are led past a read/write head (transceiver). Repeater In digital communication technology, the repeater is a signal regenerator which receives a signal in the bit transmission layer, reconditions it and sends it on. Noise and distortion during the runtime (jitter) and the pulse shape are removed from the received signal during this conditioning process. Reserved area This memory area is used for storing passwords for accessing data carriers RDemo Software tool for initiating various transponder actions including read/write operations D101831 0713 - BLident® Installation of the UHF System 85 Glossary RFID Radio Frequency Identification. RFID technology This technology enables a contactless transmission of data by means of an electromagnetic alternating field. This transmission method is also called radio frequency technology. A tag is used as a data carrier. Read/write head The read/write head (also read/write device) generates an electromagnetic high frequency field. This is used to transfer data and the power supply for the data carriers (transponder). The data is represented by the modulation of the electromagnetic field. PLC Acronym for programmable logic controller. Station Functional unit or assembly consisting of several elements. STEP 7 STEP 7 is the latest programming software of the Simatic-S7 PLC series from Siemens AG and is the successor to STEP 5. Tag RFID tags (data carriers) are small transponders in a housing suitable for the application, e.g. stickers, chip cards, label. TID This memory area contains specific data carrier information that was written beforehand by the manufacturer. TDMA The Time Division Multiple Access (TDMA) procedure defines specific time slots for the transmission of the responses of different data carriers on a channel. The read/write head defines the number of time slots for the responses of data carriers, for which each data carrier selects a time slot randomly. The read/write head checks the time slots with the respective data carrier responses in succession until the data carrier is detected. If the time slot is exceeded without the corresponding data carrier being detected, the process is repeated until all data carriers in the sensing range are identified. Transceiver Combination of transmitter and receiver. In RFID technology, transceivers are used in the form of so-called “readers” or read/write heads. These devices first send a signal to which a response is sent from the data carrier (e.g. RFID tag), the so-called transponder. This response is then received by the transceiver and forwarded to a (computer) system for further processing. Transponder Combination of Transmitter and Responder Transponder. A transponder consists of a microchip (with a unique identification number), a transmission / receiving aerial and a housing. Data is transmitted between a reader device and the transponder via electromagnetic waves. UHF - Ultra High Frequency UHF RFID is implemented in Europe at 865..868 MHz / USA 902..928 MHz / China 840..845 MHz and 920..925 MHz. UID Abbreviation for “Unique Identifier”. A UID is an unambiguous serial number for a transponder. As an address it indicates the data belonging to the transponder i.e. the tagged product. This data can, for example, be stored in a database. 86 D101831 0713 - BLident® Installation of the UHF System UII Abbreviation for Unique Item Identifier. Identification number by which a data carrier is identified. WebConfig Configuration tool for configuring UHF read/write heads. D101831 0713 - BLident® Installation of the UHF System 87 Glossary 88 D101831 0713 - BLident® Installation of the UHF System A Appendix A.1 Directional characteristics of the antenna for the TN...-Q240L280-H1147 read/write head .............. 90 A.1.1 A.1.2 A.1.3 A.1.4 Azimuth section, horizontal polarization ....................................................................................................................................... 90 Azimuth section, vertical polarization ............................................................................................................................................. 91 Elevation section, horizontal polarization...................................................................................................................................... 92 Elevation section, vertical polarization............................................................................................................................................ 93 A.2 Type code for BL ident®........................................................................................................................ 94 A.2.1 A.2.2 A.2.3 A.2.4 A.2.5 Type code for BL ident® interface ...................................................................................................................................................... 94 Type code for BL compact for BL ident® ........................................................................................................................................... 95 Type code for BL ident® read/write heads....................................................................................................................................... 96 Type code for BL ident® data carriers ............................................................................................................................................... 97 Type code for BL ident® connection technology (RFID cables) ............................................................................................... 98 A.3 Type code for fieldbus technology....................................................................................................... 99 A.3.1 A.3.2 Type code for BLxx gateways.............................................................................................................................................................. 99 Type code for BL compact...................................................................................................................................................................100 D101831 0713 - BLident®-Installation des UHF-Systems 89 Appendix A.1 Directional characteristics of the antenna for the TN...-Q240L280-H1147 read/write head 3dB half power beamwidth, horizontal: 70° 3dB half power beamwidth, vertical: 70° Polarization: circular/linear (adjustable) Represented frequency: f = 867 MHz A.1.1 Azimuth section, horizontal polarization Figure34: Azimuth section, horizontal polarization 90 D101831 0713 - BLident®-Installation des UHF-Systems Directional characteristics of the antenna for the TN...-Q240L280-H1147 read/write head A.1.2 Azimuth section, vertical polarization Figure35: Azimuth section, vertical polarization D101831 0713 - BLident®-Installation des UHF-Systems 91 Appendix A.1.3 Elevation section, horizontal polarization Figure36: Elevation section, horizontal polarization 92 D101831 0713 - BLident®-Installation des UHF-Systems Directional characteristics of the antenna for the TN...-Q240L280-H1147 read/write head A.1.4 Elevation section, vertical polarization Figure37: Elevation section, vertical polarization D101831 0713 - BLident®-Installation des UHF-Systems 93 Appendix A.2 Type code for BL ident® A.2.1 Type code for BL ident® interface Type code – example T I – BL67 – PG – DP – S – 2 Type code – explanation T I Interface set – Device Type Interface set: gateway and RFID modules Fieldbus DP/DPV1 EN-PN EN EIP EC DN CO 94 – PROFIBUS-DP PROFINET IO Modbus TCP EtherNet/IP™ EtherCAT® DeviceNet™ CANopen – Modular I/O system BL20 cabinet mounting (IP20) BL20-E cabinet mounting (IP20) ECONOMY version BL67 field application (IP67) TURCK RFID system BL ident® DP Fieldbus BL67 Modular I/O system S Communication – Programmable gateway PG Programmable gateway – Communication A data transfer via function block (PIB) in the control unit or programmable Gateway S data transfer via I/O communication PG Programmable gateway 2 Number of channels Number of channels 2 2 channels for 2 read/write heads 4 4 channels for 4 read/write heads 6 6 channels for 6 read/write heads 8 8 channels for 8 read/write heads D101831 0713 - BLident®-Installation des UHF-Systems Type code for BL ident® A.2.2 Type code for BL compact for BL ident® Type code – example BLCDP – 2 M12 S T – 2RFID-A – 8DI-PD Type code – explanation BLCDP Compact I/O system – 2 M12 S T Housing BLC – compact I/O system for field application (IP67),fieldbus type: BLCDN DeviceNet™ BLCDP PROFIBUS-DP BLCCO CANopen Connector for power supply separate M12 connector blank no separate connector – 2RFID-A RFID communication – RFID communication 2RFID-A data transmission via function block (PIB) 2RFID-S data transmission via I/O communication Housing size small housing 93 x 71 x 32.5 middle housing 113 x 71 x 32.5 large housing 168 x 71 x 32.5 Connector type M8 connector M8 x 1 M12 connector M12 x 1 M16 connector M16 x 0.75 Number of connectors 16 1 connector 2 connnectors 4 connnectors 6 connnectors 8 connnectors 16 connnectors 8DI-PD Inputs/Outputs Inputs/Outputs 8XSG-PD 8 digital inputs/ outputs, configurable, PNP, diagnostics 8DI-PD 8 digital inputs, PNP, diagnostics D101831 0713 - BLident®-Installation des UHF-Systems 95 Appendix A.2.3 Type code for BL ident® read/write heads Type code – example T N LR … – Q80 – H1147 – S – Ex Type code – explanation T N LR … Read/write head – Q80 Housing Housing M18 M30 Q14 Working frequency blank 13.56 MHz 865 865…868 MHz 902 902…928 MHz 840/ 840.5…844.5 920 MHz & 920.5…924.5 MHz 902/ 902…907 MHz 915 & 915…928 MHz 917 917…920.8 MHz CK40 Q80 S32XL Q350 Special range ER extended range LR long range SLR super long range Q80L400 Q120L130 Q240L280 Read/write heads, mounting condition flush mountable non-flush mountable Q280L640 Q175L200 – thread M18 thread M30 rectangular 55.5 x 30 x 14 mm rectangular 40 x 40 x 65 mm, variable orientation of active face rectangular, 114 x 80 x 40 mm ring shaped, 180 x 120 x 32 mm rectangular, 370 x 350 x 20 mm rectangular, 400 x 80 x 25 mm rectangular, 120 x 130 x 60 mm rectangular, 238 x 278 x 86 mm rectangular, 640 x 280 x 105 mm rectangular, 175 x 200 x 60 mm H1147 Connector type Connector 0,15-RS4.47T pigtail (150 mm) with male connector M12 H1147 connector M12 x 1 H1147L connector M12 x 1, lateral V1147 connector M8 TURCK RFID-System BL ident® S S-Number S-Number S1126 optimized for different data carriers 96 – Ex Approvals Approvals Ex approval for Ex-Area D101831 0713 - BLident®-Installation des UHF-Systems Type code for BL ident® A.2.4 Type code for BL ident® data carriers Type code – example T W … – Q51 – M – HT – B128 – Ex Type code – explanation T W … Data carrier – Working frequency blank 13.56 MHz 125 125 KHz 865-868 865…868 MHz 865-928 865…928 MHz 860-960 860…960 MHz 902-928 902…928 MHz – B128 Memory capacity total Memory capacity total B44 44 Byte B64 64 Byte B110 110 Byte B112 112 Byte B128 128 Byte B138 138 Byte K2 2 kByte K8 8 kByte D101831 0713 - BLident®-Installation des UHF-Systems M On metal – On metal M for direct mounting on metal MF for direct mounting on metal, foil shielded round & diameter inlay & dimensions label & dimensions screw housing, plastic, M10 x 1.5, wrench size 19 mm BS10x1.5-19 screw housing, metal/ plastic, M10 x 1.5, wrench size 19 mm BV10x1.5-19 screw housing , stainless steel/ plastic, M10 x 1.5, wrench size 19 mm QxLy rectangular: x - width, y - length Q51 quadratic, lateral lenght: 51 mm TURCK RFID-System BL ident® High temperature HT High temperature – Housing R… I… L… BD10x1.5-19 Data carrier, memory access read/write read only HT High temperature Q51 Housing – Ex Approvals Approvals Ex Approval for Ex-Area 97 Appendix A.2.5 Type code for BL ident® connection technology (RFID cables) Type code – example … – RK4.5T – 5 / S2500 Type code – explanation … Usage – Usage FB– Food & Beverage type; resistant to all common acid and alkaline detergents and disinfectants; IP67 and IP69K RK4.5T Connector type Connector type RK4.5T female straight; 5-pin WK4.5T female angled; 5-pin RS4.5T male straight; 5-pin – 5 Cable length Cable length 0.3 0.3 m 2m 5m 10 10 m 25 25 m 50 50 m S2500 Connector quality Connector quality S2500 standard version: cable: UL 20963; cable jacket: PUR, yellow, qualified for drag chain use, oil-resistant, highly flexible S2503 economic version: cable: UL 20549; cable jacket: PUR, black; qualified for drag chain use, oil-resistant, flexible 98 D101831 0713 - BLident®-Installation des UHF-Systems Type code for fieldbus technology A.3 Type code for fieldbus technology A.3.1 Type code for BLxx gateways BL20 – – GW – DPV1 BL20 Modular I/O system BL20 BL67 – Degree of protection IP20 Degree of protection IP67 Housing blank Economy (only for BL20) Standard – GW Gateway GW GWBR Standard Gateway Gateway with bus refreshing PG programmable Gateway – DPV1 Fieldbus system CO DN, DNET DP, DPV1, PBDP EC EN EN-IP PN CANopen DeviceNet™ PROFIBUS-DP EtherCAT® Modbus TCP EtherNet/IP™ PROFINET IO exception: BL67-GW-EN can be used for Modbus TCP and EtherNet/IP™ D101831 0713 - BLident®-Installation des UHF-Systems 99 Appendix A.3.2 Type code for BL compact BLC DN – x M12 L . – 4AI-VI – 2AO-V BLC DN Product group Fieldbus system CO DN DP CANopen DeviceNet™ PROFIBUS DP System designation BLC BL compact – 2 M12 L . Design – Power supply separate M12 male for power supply blank no separate power supply Design small: 93 x 71 x 32.5 mm middle: 113 x 71 x 32.5 mm large: 168 X 71 x 32.5 mm (for two I/O modules) 4AI-VI I/O module – I/O module 1CVI CANopen interface 1RS232 RS232 interface 1RS485-422 RS485/422 interface 1SSI 2AI2AO-VI 2AI-I 2AI-PT synchronous serial interface 2 analog inputs current or voltage, and two analog outputs, voltage 2 analog inputs, current 2 analog inputs, resistance thermometer 2AI-TC Connection technology M8 male M8x1 M12 male M12 x 1 M16 male M16 x 0.75 Number of I/O ports 16 1 port 2 ports 4 ports 6 ports 8 ports 16 ports 2 analog inputs, thermocouple 2AI-V 2 analog inputs, voltage 2AO-I 2 analog outputs, current 2AO-V 2 analog outputs, voltage 2RFID-A advanced RFID, advanced functionality 2RFID-S simple RFID, simple I/O communication 4AI-VI 4 analog inputs, voltage or current 4DI4DO-PD 4 digital inputs and 4 digital outputs, PNP, diagnostics 4DI-N 4 digital inputs, NPN 4DI-P 4 digital inputs, PNP 4DI-PD 4 digital inputs, PNP, diagnostics 4DO-0.5A-P 4 digital outputs, 0.5 A, PNP 4DO-2A-N 4 digital outputs, 2.0 A, NPN 4DO-2A-P 4 digital outputs, 2.0 A, PNP 8DI-N 8 digital inputs, NPN 8DI-P 8 digital inputs, PNP 8DI-PN 8 digital inputs, PNP, diagnostics 8DO-0.5A-N 8 digital outputs, 0.5 A, NPN 8DO-0.5A-P 8 digital outputs, 0.5 A, PNP 8DO-R-NO 8 digital outputs, relay, NO 8XSG-PD 8 digital I/Os, configurable, PNP, diagnostics 16DO16 digital outputs, 0.1A-P 0.1 A, PNP 100 D101831 0713 - BLident®-Installation des UHF-Systems Type code for fieldbus technology 2AO-V Optional second I/O module Optional second I/O module 1CVI CANopen interface 1RS232 RS232 interface 1RS485-422 RS485/422 interface 1SSI synchronous serial interface 2AI2AO-VI 2 analog inputs, current or voltage, and two analog outputs, voltage 2AI-I 2 analog inputs, current 2AI-PT 2 analog inputs, resistance thermometer 2AI-TC 2 analog inputs, thermocouple 2AI-V 2 analog inputs, voltage 2AO-I 2 analog outputs, current 2AO-V 2 analog outputs, voltage 2RFID-A advanced RFID, advanced functionality 2RFID-S simple RFID interface, simple I/O communication 4AI-VI 4 analog inputs, voltage or current 4DI4DO-PD 4 digital inputs and 4 digital outputs, PNP, diagnostics 4DI-N 4 digital inputs, NPN 4DI-P 4 digital inputs, PNP 4DI-PD 4 digital inputs, PNP, diagnostics 4DO-0.5A-P 4 digital outputs, 0.5 A, PNP 4DO-2A-N 4 digital outputs, 2.0 A, NPN 4DO-2A-P 4 digital outputs, 2.0 A, PNP 8DI-N 8 digital inputs, NPN 8DI-P 8 digital inputs, PNP 8DI-PN 8 digital inputs, PNP, diagnostics 8DO-0.5A-N 8 digital outputs, 0.5 A, NPN 8DO-0.5A-P 8 digital outputs, 0.5 A, PNP 8DO-R-NO 8 digital outputs, relay, NO 8XSG-PD 8 digital I/Os, configurable, PNP, diagnostics 16DO16 digital outputs, 0.1A-P 0.1 A, PNP D101831 0713 - BLident®-Installation des UHF-Systems 101 Appendix 102 D101831 0713 - BLident®-Installation des UHF-Systems www.turck.com Scan the QR code for more information on our products Hans Turck GmbH & Co. KG Witzlebenstraße 7 45472 Mülheim an der Ruhr Germany Tel. +49 (0) 208 4952-0 Fax +49 (0) 208 4952-264 E-Mail more@turck.com Internet www.turck.com D101831 2013/07 *D101831ßß0713*
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