Aclara Technologies 2015001 Series 4000 MTU User Manual
Aclara Technologies LLC Series 4000 MTU
User Manual
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| Document Description | User Manual |
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| Date Submitted | 2015-12-11 00:00:00 |
| Date Available | 2015-12-11 00:00:00 |
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DRAFT Series 4000 MTU Maintenance and Operation Manual Y20456-TUM Rev. A www.Aclara.com DRAFT DRAFT Proprietary Notice Information contained in this document is private to Aclara Technologies LLC, an Ohio limited liability company (Aclara). This information may not be published, reproduced, or otherwise disseminated without the express written authorization of Aclara. Any software or firmware described in this document is furnished under a license and may be used or copied only in accordance with the terms of such license. Disclaimer The information in this document is subject to change without notice and should not be construed as a commitment by Aclara. Aclara assumes no responsibility for any errors that may appear in this document. No responsibility is assumed for the use or reliability of software on equipment that is not supplied by Aclara. TWACS, STAR, and Metrum Cellular are registered trademarks of Aclara Technologies LLC. Aclara Technologies LLC Confidential and Proprietary Copyright 2015. All Rights Reserved. Series 4000 Maintenance and Operations Manual (Y20456-TUM Rev A) DRAFT DRAFT W ARNI NGS , CAUTI ONS , AND N OTES Always consult and adhere to all local and national safety codes, regulations, and standards.WARNING, CAUTION and Note statements are used throughout this manual to emphasize important and critical information to help you ensure safety and prevent product damage.These statements are defined below. WARNING indicat es a pot ent ially hazardous sit uat ion which, if not avoided, could result in deat h or serious physical inj ury. CAUTION indicat es a sit uat ion, which, if not avoided, could result in damage t o equipment , damage t o sof t ware, loss of dat a or invalid result s. NOTE indicat es import ant supplement al inf ormat ion. FCC/ I C Com pliance The following statements cover the RF exposure guide and the field calibration procedure. FCC/ I C RF Exposure Guide Aclara Technologies LLC low power RF devices and their antennas must be fixed-mounted on indoor or outdoor permanent structure(s) providing a separation distance of at least 20 cm from all persons during normal operation. This device is not designed (and it has no external connection) to operate in conjunction with any other antennas or transmitters. No other operating instructions for satisfying RF exposure compliance are needed. Field Calibration Procedure Aclara Technologies LLC low power RF devices have passed through extensive testing and calibration procedures while in the factory. Therefore, no additional calibration or adjustment is required in the field. Series 4000 Maintenance and Operations Manual iii DRAFT Conformité FCC/IC AVERTI SSEMENTS , MI SES EN GARDE ET REMARQUES Toujours consulter et respecter les codes, règlements et normes de sécurité locaux et nationaux. Des AVERTISSEMENTS, MISES EN GARDE et remarques sont utilisés tout au long de ce guide pour souligner l'information importante et critique qui vous aidera à assurer la sécurité et à prévenir les dommages au produit. Ces énoncés sont définis ci-dessous. AVERTISSEMENT indique une sit uat ion pot ent iellement dangereuse qui, si elle n'ét ait pas évit ée, pourrait ent raîner la mort ou des blessures graves. MISE EN GARDE indique une sit uat ion qui, si elle n'ét ait pas évit ée, pourrait ent raîner des dommages à l'équipement , des dommages au logiciel, des pert es de données ou des résult at s invalides. REMARQUE indique des inf ormat ions supplément aires import ant es. Conform ité FCC/ I C Les énoncés qui suivent portent sur le guide d'exposition aux RF et la procédure de calibration sur place. Guide d'exposition aux RF FCC/ I C Les appareils RF à faible puissance Aclara Technologies LLC ainsi que leurs antennes doivent être montés de manière fixe sur des structures intérieures ou extérieures permanentes qui se trouvent à au moins 20 cm des personnes pendant le fonctionnement normal. Cet appareil n'est pas conçu (et il n'a aucun branchement externe) pour être utilisé en association avec toute autre antenne ou tout transmetteur. Aucune autre instruction d'utilisation n'est requise pour assurer la conformité aux règles d'exposition aux RF. Procédure de calibration sur place Les appareils RF à faible puissance Aclara Technologies LLC ont été soumis à des tests étendus et multi-tâches et à des procédures de calibration complexes en usine. Par conséquent, ils ne requièrent pas de calibration ni d'ajustement supplémentaire sur place. Les appareils RF à faible puissance Aclara Technologies LLC sont expédiés au client dans des boîtiers scellés. Aucun ajustement ne peut donc être effectué sur place sans briser le boîtier scellé en usine. iv Series 4000 Maintenance and Operations Manual DRAFT T a b le o f Co n t e n t s Chapter 1: STAR Network Overview Two-Way Communicat ions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 MTU/ DCU Communicat ions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 DCU/ NCC Communicat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Chapter 2: Series 4000 Operation Conf igurat ion . . . . Read Int ervals . . . . Time Synchronizat ion . Securit y . . . . . . . Hardware . . . . . Sof t ware . . . . . . Alarms . . . . . . . Dat a Encrypt ion . . . Trend Mode . . . . . Read Int erval . . . . Transmit Int erval . . Chapter 3: STAR Programmer Software USB Port . . . . . . . . Communicat ion LEDs. . Sof t ware . . . . . . . Prerequisit es . . . . . Applicat ion Inst allat ion XML File Inst allat ion . . Connect ion . . . . . . Operat ion . . . . . . Read MTU . . . . . Turn Of f MTU . . . . Add MTU . . . . . . Replace MTU . . . . Inst all Conf irmat ion . Replace Bat t ery . . Chapter 4: Hardware Installation Wall Mount . . . . . . Solid Wall . . . . . . Hollow Wall . . . . . Pipe Mount . . . . . . Wiring. . . . . . . . . Conduit & Fit t ings. . . MTU Connect ions . . . Inst rument Connect ions Commissioning . . . . . . 7 . 8 . 9 . 9 10 13 16 17 17 17 18 20 22 22 23 Chapter 5: Maintenance Series 4000 Maintenance and Operations Manual 23 24 25 27 29 30 31 32 33 35 DRAFT DRAFT STAR N ETW ORK OVERVI EW The STAR Network is a fixed-network, Advanced Metering Infrastructure (AMI) that automatically reads water and gas instruments. The STAR Network uses a 3-tier configuration to read and transmit information between the measuring instrument and the utility office. The three tiers of the STAR Network are: 1. Meter Transmission Units (MTUs) 2. Data Collection Units (DCUs) 3. Network Control Computer (NCC) Tw o- W ay Com m unications The STAR Network two-way advanced metering infrastructure (AMI) system allows encrypted data communications over secure, FCC licensed radio frequencies. This wireless fixed network consists of the Meter Transmitter Unit (MTU), Data Collector Unit (DCU), and Network Control Computer (NCC). Communications between the MTU, DCU, and NCC are explained in greater detail below. MTU/ DCU Com m unications MTU/DCU communications occur on two FCC licensed (450-470 MHz) frequency channels. Configuration settings, on-demand requests, and Time Sync messages are sent from the DCU to the MTU. Instrument measurement and configuration readings and Time Sync requests are sent from the MTU to nearby DCUs. DCU/ NCC Com m unications DCU/NCC communications are conducted over TCP/IP protocols via the cellular, Ethernet, or Wi-Fi™ backhaul. The DCU initiates and maintains communications with the NCC. Configuration changes, on-demand requests, and Time Sync messages originate in the NCC and are sent to the MTU via the DCU. Series 4000 Maintenance and Operations Manual Two-Way Communications DRAFT Series 4000 Maintenance and Operations Manual DRAFT SERI ES 4000 OPERATI ON The Series 4000 MTU is designed to connect with a Honeywell ERX pressure monitor, a Honeywell Mini-AT volume corrector, or a Mini-Max volume corrector. In addition to a 10 item audit trail, the Series 4000 allows the user to perform on-demand reads and reconfigure the instrument and the MTU via the NCC. It contains a replaceable battery, two LEDs, and a USB port used for commissioning and reading information from the MTU locally. The Series 4000 MTU is mounted to a wall or a pipe near the volume corrector or pressure monitor. The MTU connects to the instrument via cable and communicates with the DCU using FCC licensed frequencies. Configuration The Series 4000 MTU allows the user to change instrument configuration settings from the NCC. The MTU checks the instrument configuration daily, and returns the changed parameter and the new value to the NCC in a daily Change Report. The NCC will then compare the Change Report data to the initial configuration value transmitted to the NCC immediately after installation. In addition to these Change Reports, the user can also configure the MTU to send a full Configuration Report to the NCC every 30, 60, 90, or 180 days. For added security, if there is an attempt to change the configuration settings through the MTU USB port, the MTU will notify the NCC within 25 hours. Read I ntervals The rate at which the MTU reads data from the instrument is configurable to support instrument log intervals of 15 minutes or more. At the end of each interval, the MTU will read the instrument. The data will then be transmitted back to the NCC at an interval that is equal to the instrument log interval. Tim e Synchronization Time keeping is crucial for accurate reporting. The Series 4000 MTU and the NCC software are designed to ensure that the internal clocks of the instrument, MTU, and NCC all remain synchronized. In addition to synchronizing the time at initial installation, the MTU checks the instrument clock daily. If the clock is off by more than 10 seconds, it will automatically synchronize the instrument clock. The MTU will send a flag to the NCC along with the amount of adjustment made to the instrument clock for any readings that are off by more than two minutes. When the NCC receives readings that are flagged with incorrect time, it will automatically correct the time stamps according to the difference reported by the MTU. MTU Installation Requirements DRAFT Security Security The 4000 Series MTU provides options for both hardware and software security. Hardw are The Series 4000 MTU enclosure is designed to allow the user to secure the door with a lockout device. Softw are The MTU may be configured to send the following tamper alarms to the NCC: 1. Interface tamper (configuration change via USB port) 2. Cut serial communication wire Each tamper condition generates a corresponding alarm transmission that can be viewed in the NCC when viewing the Premise transmissions. The MTU can be programmed to transmit an alarm for any of these tamper conditions. In the case of a tamper condition alarm, the unit will transmit an alarm message every minute for a given number of times (with a default of 3). When the tamper condition is no longer present, the alarm flag is cleared. Each time the tamper condition is detected, the unit will trigger an alarm. MTU Installation Requirements DRAFT Series 4000 Operation Alarm s In addition to the tamper alarms, the MTU may also be configured to send the following alarms to the NCC: Last Gasp The MTU will regularly report battery voltage values to the NCC. When this value falls below a specified value, the NCC will display a Low Battery notification. Aclara recommends changing the battery promptly when a low battery alarm is received. Please see Maintenance on page 35 for more information. Pressure The user can configure the MTU to return a pressure alarm whenever the pressure reading from the instrument is outside a given range. If enabled, the MTU will also begin operating in Trend Mode until the pressure returns to the desired range. Please refer to Trend Mode on page 5 for more information. Serial Com m unicat ion Problem s The MTU will return an alarm to the NCC if basic communication with the instrument is not possible. This will most likely be due to incorrect instrument configuration. Data Encryption The Series 4000 MTU units support the encryption of user sensitive data. When data encryption is enabled, all readings and data packets except for alarms will be encrypted prior to transmission. Trend Mode Trend Mode is an operating mode of the MTU that, when enabled, will begin automatically sending pressure values (and corresponding time stamps) at regular intervals whenever a pressure or other configured alarm is received from the instrument. Trend Mode may also be initiated or canceled directly from the NCC. Using the default settings for Trend Mode, the MTU will record the pressure once a minute and transmit these readings once every six minutes to the NCC. Read I nterval The user may configure Trend Mode to read the pressure either once a minute or once every five minutes. MTU Installation Requirements DRAFT Trend Mode Transm it I nterval The transmit interval for Trend Mode is pre-configured at six times the read interval. That is: • If a 1 minute read interval is selected, the transmit interval will be 6 minutes. • If a 5 minute read interval is selected, the transmit interval will be 30 minutes. If Trend Mode is canceled from the NCC or if the MTU receives a clear pressure alarm signal from the instrument, the MTU will notify the NCC that only six more readings will be received in Trend Mode. The MTU will read and transmit the remaining Trend Mode reads, before it switches back to normal operating mode. If Trend Mode is initiated manually via the NCC, it will continue for a maximum of 30 minutes if it is not manually canceled from the NCC. Trend Mode data is recorded and stored along with graphical representations in the NCC for up to 13 months. MTU Installation Requirements DRAFT STAR PROGRAMMER SOFTW ARE The STAR Programmer application is used along with a suitable tablet or laptop and a USB cable (Aclara part number 070-1700) to commission an MTU after installation or to turn an MTU off prior to storage or relocation. This section provides information on the USB communication interface and how to interact with the MTU using this application. USB Port The Series 4000 MTU uses a standard USB Type B port that allows for communication with a laptop or tablet running the STAR Programmer software. WARNING: EXPLOSION HAZARD - BATTERIES MUST ONLY BE CHANGED IN AN AREA KNOWN TO BE NON-HAZARDOUS AVERTISSEMENT: RISQUE D'EXPLOSION - AFIN D’ ÉVITER OUT RISQU D’ EXPLOSION, S’ ASURER QUE L’ EMPLACEMENT EST DÉSIGNÉ NON DANGEREUX AVANT DE CHANGER LA BATTERIE. Series 4000 Maintenance and Operations Manual USB Port DRAFT Com m unication LEDs. Two LEDs located to the right of the battery and above the COMP1 connector indicate the direction of communication through the USB port. • The left LED (LED 1) indicates when data is sent from the tablet or laptop through the USB port to the Series 4000 MTU. • The right LED (LED2) indicates when data is sent from the MTU out through the USB port to the tablet or laptop. Series 4000 Maintenance and Operations Manual DRAFT STAR Programmer Software Softw are The STAR Programmer application may be used to commission an MTU after installation, read and troubleshoot an MTU in the field, or to turn off an MTU if it will not be in use for an extended period of time. Actions performed using the STAR Programmer software are logged and uploaded to the Network Control Computer (NCC) for verification at the end of each shift. Prerequisites The STAR Programmer application requires the following to communicate with a Series 4000 MTU: Tablet or laptop with • Windows® 7 • > 1.5 GHz • > 2 GB RAM • > 80 GB HDD • Open USB port USB-A to USB-B cable (Aclara #070-1700) Series 4000 Maintenance and Operations Manual Software DRAFT Application I nstallation Use the following procedure to install the STAR Programmer software on a suitable tablet or laptop. 1) Double-click the STARProgrammerPC. msi file. 2) Click Next to begin the STAR Programmer Setup Wizard. 10 Series 4000 Maintenance and Operations Manual DRAFT 3) Verify the installation location, and click Next . 4) Click Next to initiate the installation. Series 4000 Maintenance and Operations Manual STAR Programmer Software 11 Software DRAFT 5) Wait while the STAR Programmer is installed. 6) Click Close after the Installation Complete confirmation appears. 12 Series 4000 Maintenance and Operations Manual DRAFT STAR Programmer Software XML File I nstallation Use the following procedure to install the XML files that accompany the STAR Programmer application. 1) Refer to the table below when selecting the appropriate STARXML.msi file for the installation. NOTE: Mult iple STARXML inst allat ions cannot coexist on t he same machine. Inst allat ion Type . MSI File PC Interactive Mode - With Encryption STARXMLPCTEST.msi PC Interactive Mode - Without Encryption STARXMLPCTESTNONENCRYPT.msi PC Scripted Mode STARXMLPC.msi 2) Double-click the appropriate .msi file. 3) Click Next to begin the XML File Setup Wizard. Series 4000 Maintenance and Operations Manual 13 Software DRAFT 4) Verify the installation location, and click Next . 5) Click Next to initiate the installation. 14 Series 4000 Maintenance and Operations Manual DRAFT 6) Wait while the XML files are installed. 7) Click Close after the Installation Complete confirmation appears. Series 4000 Maintenance and Operations Manual STAR Programmer Software 15 Software DRAFT Connection Use the following procedure to connect a tablet or laptop to a Series 4000 MTU and open the STAR Programmer application. 1) Remove any security hardware from the MTU door. 2) Open the door of the MTU. 3) 16 4) Connect the remaining end of the USB cable to the Series 4000 MTU. 5) Open the STAR Programmer application. 6) Leave the Operat or and Password fields blank and click Submit . Connect the USB cable to the laptop or tablet. Series 4000 Maintenance and Operations Manual DRAFT STAR Programmer Software Operation The STAR Programmer menu functions for Series 4000 MTUs are Read MTU, Turn Off MTU, Add MTU, Install Confirmation, and Replace Battery. Each of these functions are described in the following sections. Read MTU Turn Off MTU This option allows the user to read information from the MTU and the instrument. It will also write configuration settings to the instrument. Select this option to see the current MTU settings or after changing a battery that has not completely lost power. When the user selects the Read MTU option: This option allows the user to deactivate and turn off a previously commissioned MTU. When a Series 4000 MTU has been turned off, the STAR Programmer software will read the MTU Type, firmware version, and MTU ID before turning off the MTU. The MTU will cease all RF transmission and will only respond to commands sent through the USB port. 1) Select Read MTU. 2) Wait while the STAR Programmer reads the MTU. 3) After viewing the MTU information screen, select OK to log the activity and return to the Main Menu. Series 4000 Maintenance and Operations Manual 1) Select Turn Off MTU. 2) Wait while the application reads and turns off the MTU. 3) Click OK to log the activity and return to the Main Menu. 17 Software DRAFT Add MTU Select this option to commission a new MTU or an MTU that was turned off. 1) 3) Enter the 10-digit Account Number into the Gas Network Node (GNN) field. Select Add MTU. the I nst rum ent Type field has auto-populated, and click OK. 4) Verify 2) Click OK to read the MTU and instrument. 5) Wait while the software commissions the MTU. This may take several minutes. 18 Series 4000 Maintenance and Operations Manual DRAFT 6) Once commissioning is complete, the software will return the current values allowing you to confirm the settings. STAR Programmer Software 7) Click OK to confirm the log entry and return to the Main Menu. 8) To close the STAR Programmer application, select File > Exit. Series 4000 Maintenance and Operations Manual 19 Software DRAFT Replace MTU To replace an existing MTU or after installing a new battery in an MTU that has been without power for an extended amount of time, use the Replace MTU option in the STAR Programmer application. 1) 3) Enter the 10-digit Account Number into the Gas Network Node (GNN) field. Select Replace MTU. the I nst rum ent Type field has auto-populated, and click OK. 4) Verify 2) Click OK to read the MTU and instrument. 5) Wait while the software commissions the MTU. This may take several minutes. 20 Series 4000 Maintenance and Operations Manual DRAFT 6) Once commissioning is complete, the software will return the current values allowing you to confirm the settings. STAR Programmer Software 7) Click OK to confirm the log entry and return to the Main Menu. 8) To close the STAR Programmer application, select File > Exit. Series 4000 Maintenance and Operations Manual 21 Software DRAFT I nst all Confirm at ion Replace Bat t ery This option allows the user to confirm that the MTU can communicate with the available DCUs and to see information about the MTU, DCU, and the communication between the two. Use the following procedure after replacing the battery in the MTU. 1) 2) Select Replace Battery. 2) Click the OK button to initiate the process. 3) Wait while the STAR Programmer reads the MTU. 4) Click OK to log the activity and return to the Main Menu. Select Install Confirmation. Click OK to initiate the confirmation process. 3) Wait while the STAR Programmer reads the MTU. 4) After viewing the MTU information screen, select OK to log the activity and return to the Main Menu. 22 1) Series 4000 Maintenance and Operations Manual DRAFT H ARDW ARE I NSTALLATI ON Aclara offers kits to mount the Series 4000 MTU to a wall or to a pipe with an outside diameter of 2 "- 3". Use the corresponding instructions to mount a Series 4000 MTU using one of these kits. NOTE In addit ion t o t he mount ing hardware, t he inst allat ion kit s also include one 10' lengt h of conduit , t wo conduit f it t ings, one 12' lengt h of f ive conduct or cable, and one 12’ lengt h of t wo conduct or cable. Please ref er t o t he Wiring sect ion on page 29 f or inst allat ion procedures f or t hese it ems. W all Mount Wall Kit #109-2015-001M-020 It em Descript ion Applicat ion Quant it y Solid walls Solid and hollow walls ¼ x 2" Stainless steel wedge bolt ¼" Stainless steel flat washer ¼ - 20 x 2½" Stainless steel bolt Hollow walls Wall anchor Hollow walls Series 4000 Maintenance and Operations Manual 23 Wall Mount DRAFT Solid W all 3) Drill holes at the four marked locations with a ¼" Wedge Bit. 4) Insert a wedge bolt through a flat washer and one of the mounting holes on the MTU. 5) Thread the bolt partially into the appropriate hole drilled in step 3. 6) Repeat steps 4 and 5 for the remaining bolts. 7) Tighten all four wedge bolts to 27-33 ft-lb. Follow this procedure to mount the MTU to a solid wall. Spe cia l Tools In addition to standard tools and safety equipment, you will need the following tools to mount the MTU to a solid wall: • Drill • ¼" Wedge drill bit • 0-35 ft-lb Torque-limiting wrench I nst r uct ions 1) 2) 24 Determine the appropriate mounting location for the MTU. Keep RF signal propagation in mind when choosing a location. Position the MTU against the wall at the desired location and mark locations for the four bolt holes. Series 4000 Maintenance and Operations Manual DRAFT Hollow W all Hardware Installation 3) Drill holes at the four marked locations with a ½" drill bit. 4) Insert the anchor end of one wall anchor through one of the drilled holes. 5) Pull the anchor until it is tight against the back side of the wall surface. Then slide the cap forward until it is flush with the wall. Follow this procedure to mount the MTU to a hollow wall. Spe cia l Tools In addition to standard hand tools and safety equipment, you will need the following tools to mount the MTU to a hollow wall: • Drill • ½" Drill bit • 0-10 ft-lb Torque-limiting wrench I nst r uct ions 1) Determine the appropriate mounting location for the MTU. Keep RF signal propagation in mind when choosing the location. 2) Position the MTU against the wall at the desired location and mark locations for the four bolt holes. Series 4000 Maintenance and Operations Manual 25 DRAFT Wall Mount 6) Snap off the excess strap by pressing the top strap up and the bottom strap down. 7) Repeat Steps 4-6 for the three remaining anchors. 8) Place a flat washer on each of the bolts, and insert the bolts through the mounting holes of the MTU. 9) Thread each bolt into the appropriate anchor. 10) Tighten 26 each bolt to 5-7 ft. lbs. Series 4000 Maintenance and Operations Manual DRAFT Hardware Installation Pipe Mount Pipe Mount Kit #109-2015-001M-21 It em Descript ion Quant it y Bracket assembly (5/16"-18 bolt, metal washer, nylon washer, & bracket) 2 "- 3" Screw-drive tube clamp Series 4000 Maintenance and Operations Manual 27 Pipe Mount DRAFT Spe cia l Tools In addition to standard hand tools and safety equipment, the Pipe Mounting kit also requires the following: • 0-20 ft-lb Torque-limiting wrench • 0-10 in-lb Torque-limiting wrench or screwdriver 1) Thread one of the clamps through both slots in one of the brackets and around the pipe. 2) Rotate the bracket to the desired mounting position and tighten the clamp just enough to maintain bracket position. 3) Thread the remaining clamp through the remaining bracket and around the pipe. 28 4) There are three mounting holes at the top of the MTU and three at the bottom. • If mounting to a Horizontal pipe, use the top left and top right mounting holes. • If mounting to a Vertical pipe, use the top center and bottom center mounting holes. 5) Insert one of the bolts through a metal washer, the appropriate MTU mounting hole, and a nylon washer before threading it into the bracket. 6) Repeat step 5 with the remaining hardware to secure MTU to the remaining bracket. 7) Tighten both clamp screws to 7-9 in-lb. 8) Tighten both bracket bolts to 14-16 ft-lb. Series 4000 Maintenance and Operations Manual DRAFT Hardware Installation W iring Use the following instructions to connect the MTU to a Honeywell electronic pressure monitor or volume corrector. It em Descript ion Quant it y 10' Conduit (Included in mounting kit) ½" Conduit fitting (Included in mounting kit) 12' Five conductor cable (Included in mounting kit) Five pin mating terminal (Included with MTU) Two pin mating terminal (Included with MTU) 12’ Two conductor cable (Included in mounting kit) NOTE: This equipment provides non-incendive f ield wiring out put s f or Class I, Division 2, Group D. Series 4000 Maintenance and Operations Manual 29 Wiring DRAFT Con du it & Fit t in gs The cable connecting the MTU to the instrument must be routed through the included conduit. Use the following procedure to install the conduit. 8) Secure the fitting to the MTU with the lock ring. Tighten the ring to 15-19 in-lb. 9) Route the conduit to the instrument. CAUTION Do not bend t he conduit smaller t han 1) Remove the nut, sealing ring, and ferrule from one of the conduit fittings. 2) Slide the nut and sealing ring over the end of the conduit. 3) Insert the ferrule into the end of the conduit. 4) Thread the fitting body over the ferrule and secure by tightening the gland nut. Tighten the nut to 28-32 in-lb. 5) Repeat steps 1-4 to secure the remaining fitting to the other end of the conduit. 6) Remove a weather seal plug from the bottom of the MTU enclosure. 7) Remove the lock ring from one of the conduit fittings and insert the fitting body into the opening in the bottom of the MTU. 30 a 3" radius. 10) Remove the lock ring from the remaining conduit fitting and insert the fitting body into an available opening in the pressure monitor or volume corrector enclosure. 11) Secure the fitting to the instrument enclosure with the lock ring. Tighten the ring to 15-19 in-lb. Series 4000 Maintenance and Operations Manual DRAFT Hardware Installation M TU Con n e ct ion s Use the following information when connecting the cables to the MTU. 1) Route the cable through the conduit. Opt ional Pow er 2) Use the following information to connect the cable wires to the MTU mating connector. Secure each wire into the connector by tightening the corresponding set screw. 1) Com p1 1) MTU Connect or Wire GND (10-15 VDC ground) + (10-15 VDC positive) Black Red Use the five conductor cable to connect the communication terminals on the MTU with the instrument. MTU Connect or Wire GND (Ground) ALM (Alarm) GND (Ground) TX (MTU Transmission) RX (MTU Reception) Green Yellow Black White Red 2) 2) Use the two conductor cable to connect the MTU to an instrument supplied 10-15 VDC power source. Plug the MTU mating connector into the EX PWR receptacle. Plug the MTU mating connector into the COMP1 receptacle. Series 4000 Maintenance and Operations Manual 31 DRAFT Wiring I nstrum ent Connections Use the information for the appropriate meter type to connect the MTU cable(s) to the instrument. Refer to the Electrical Connection Parameters table for electrical parameters of each connector. Mini- Max or ERX Mini- AT Use the following information to connect the MTU cable to a Honeywell Mini-Max volume corrector or ERX pressure monitor. Use the following information to connect the MTU cable to the TB2 connector on a Honeywell Mini-AT volume corrector. COM P1 COM P1 MTU Wire Mini-Max or ERX MTU Wire Mini-AT GND Green TB1 A- (Ground) GND Green A- (Ground) ALM Yellow TB1 A+ (Alarm) ALM Yellow A+ (Alarm) GND Black Serial I/O GND (Ground) GND Black Com (Ground) TX White Serial I/O RX (Receive) TX White RX (Receive) RX Red Serial I/O TX (Transmit) RX Red TX (Transmit) Ex t e r na l Pow e r ( Opt iona l) Connect the red (positive) and black (ground) wires from the MTU to an appropriate 10-15 VDC auxiliary power source on the instrument. Please refer to specific instrument documentation for detailed information. Elect rical Connect ion Paramet ers COMP1 & COMP2 (J6 & J7) Input Out put Ext ernal Power (J12) Input Ui = 12 V Ii = 4 mA Pi = 50 mW Ci = 250 pF Li = 0 Uo = 3.5 V Io = 60 mA Po = 210 mW Co = 0 pF Lo = 0 Ui = 15 V Ii = 45 mA Pi = 675 mW 32 Series 4000 Maintenance and Operations Manual DRAFT Hardware Installation Com m issioning After installing and connecting the MTU to the instrument, it is necessary to commission the MTU using the Add MTU function of the STAR Programmer software. Please refer to the STAR Programmer Software section on page 7 for more information on connecting the STAR Programmer and adding an MTU. Series 4000 Maintenance and Operations Manual 33 Commissioning 34 DRAFT Series 4000 Maintenance and Operations Manual DRAFT Maintenance M AI NTENANCE The Series 4000 MTU is designed to be largely maintenance free. Periodic replacement of the battery, however, will be necessary over the life of the MTU. The Series 4000 MTU is powered by a 3.6V lithium, D cell battery (Aclara part number 042-0049). The NCC reports regular battery voltage readings, and also provides a low battery warning to provide ample time for the utility to replace a battery without loss of data. Use the following procedure to replace the battery in a Series 4000 MTU. WARNING: EXPLOSION HAZARD - BATTERIES MUST ONLY BE CHANGED IN AN AREA KNOWN TO BE NON-HAZARDOUS AVERTISSEMENT: RISQUE D'EXPLOSION - AFIN D’ ÉVITER OUT RISQU D’ EXPLOSION, S’ ASURER QUE L’ EMPLACEMENT EST DÉSIGNÉ NON DANGEREUX AVANT DE CHANGER LA BATTERIE. 1) Remove any security hardware from the MTU door. 2) Open the door of the MTU. 5) Remove the battery from the battery holder. 6) Insert the new battery into the battery holder. The holder is keyed so the battery can only be installed in one direction. NOTE: A backup capacit or will maint ain MTU memory during bat t ery replacement provided power is not removed f or longer t han 10 minut es. Ext ended power out ages may require recommissioning t he MTU. 3) Note the polarity orientation of the battery. 4) Press in on the tab to release the battery tie. Series 4000 Maintenance and Operations Manual 7) Secure the new battery into the holder by threading the tapered end of the tie through the open end and pulling until snug against the battery. 8) Use the STAR Programmer to log the battery replacement. • Connect the STAR Programmer and select Read MTU to record the battery replacement in the activity log. Please see Read MTU on page 17 for more information. • If the MTU was without power for an extended period of time, use the Replace MTU option on the STAR Programmer Main Menu. Please see Replace MTU on page 20 for more information. 9) Close and secure the MTU door according to utility standard practices. 35
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