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. EU declaration of conformity
OMI-2 / OMI-2C
File Info : application/pdf, 30 Pages, 1.35MB
Document DocumentInstallation guide H-5191-8504-03-A OMI-2 optical machine interface © 20152019 Renishaw plc. All rights reserved. This document may not be copied or reproduced in whole or in part, or transferred to any other media or language, by any means, without the prior written permission of Renishaw. The publication of material within this document does not imply freedom from the patent rights of Renishaw plc. Renishaw part no: First issued: Revised: H-5191-8504-03-A 02.2015 02.2019 Contents i Before you begin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Before you begin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Trade marks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Changes to equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 CNC machines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Care of the interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Patents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 EU declaration of conformity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 FCC Information to user (USA only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 WEEE directive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 REACH statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4 OMI-2 basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 Input voltage ripple. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 OMI-2 visual diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 Magnetic label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 START SIGNAL LED (yellow). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 LOW BATTERY LED (red). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 PROBE STATUS LED (green, red). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 ERROR LED (red, blue, yellow, violet). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 SIGNAL CONDITION LED (red, yellow, green). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 OMI-2 inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4 OMI-2 output waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 Switches SW1 and SW2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6 Switch-on/switch-off. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7 OMI-2 dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8 OMI-2 specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.9 OMI-2 installation guide System installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.1 Mounting bracket (optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.1 Wiring diagram (with output groupings shown). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 Contents Installation with inspection and tool setting probe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 Remote external audible output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 ii OMI-2 cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3 Cable sealing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3 Fitting flexible conduit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3 Screw torque values Nm (lbf.ft). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.4 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 Cleaning the probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 Removing the OMI-2 window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Fitting the OMI-2 window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Fault-finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.1 Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.1 Before you begin 1.1 Before you begin Warranty Disclaimer Equipment requiring attention under warranty must be returned to your equipment supplier. RENISHAW HAS MADE CONSIDERABLE EFFORTS TO ENSURE THE CONTENT OF THIS DOCUMENT IS CORRECT AT THE DATE OF PUBLICATION BUT MAKES NO WARRANTIES OR REPRESENTATIONS REGARDING THE CONTENT. RENISHAW EXCLUDES LIABILITY, HOWSOEVER ARISING, FOR ANY INACCURACIES IN THIS DOCUMENT. Trade marks RENISHAW and the probe symbol used in the RENISHAW logo are registered trade marks of Renishaw plc in the United Kingdom and other countries. apply innovation and names and designations of other Renishaw products and technologies are trade marks of Renishaw plc or its subsidiaries. Unless otherwise specifically agreed in writing between you and Renishaw, if you purchased the equipment from a Renishaw company, the warranty provisions contained in Renishaw's CONDITIONS OF SALE apply. You should consult these conditions in order to find out the details of your warranty but, in summary, the main exclusions from the warranty are if the equipment has been: · neglected, mishandled or inappropriately used; or · modified or altered in any way except with the prior written agreement of Renishaw. If you purchased the equipment from any other supplier, you should contact them to find out what repairs are covered by their warranty. All other brand names and product names used in this document are trade names, trade marks, or registered trade marks of their respective owners. Changes to equipment Renishaw reserves the right to change equipment specifications without notice. CNC machines CNC machine tools must always be operated by fully trained personnel in accordance with the manufacturer's instructions. Care of the interface Keep system components clean and treat with care. Do not apply labels to the front of the OMI-2 or otherwise obstruct the window. Before you begin OMI-2 installation guide Patents None applicable. 1.2 Before you begin EU declaration of conformity C FCC Information to user (USA only) 47 CFR Section 15.19 Renishaw plc declares under its sole responsibility This device complies with part 15 of the FCC that the OMI-2 is in conformity with all relevant Rules. Operation is subject to the following two Union legislation. conditions: 1.3 The full text of the EU declaration of conformity is 1. This device may not cause harmful available at: interference, and www.renishaw.com/mtpdoc. 2. This device must accept any interference received, including interference that may WEEE directive cause undesired operation. 47 CFR Section 15.21 The user is cautioned that any changes or modifications not expressly approved by Renishaw plc or authorised representative could void the user's authority to operate the equipment. The use of this symbol on Renishaw products 47 CFR Section 15.105 and/or accompanying documentation indicates This equipment has been tested and found to that the product should not be mixed with comply with the limits for a Class A digital device, general household waste upon disposal. It is the pursuant to part 15 of the FCC Rules. These limits responsibility of the end user to dispose of this are designed to provide reasonable protection product at a designated collection point for waste against harmful interference when the equipment electrical and electronic equipment (WEEE) to is operated in a commercial environment. This enable reuse or recycling. Correct disposal of equipment generates, uses, and can radiate this product will help to save valuable resources radio frequency energy and, if not installed and prevent potential negative effects on the and used in accordance with the instruction environment. For more information, please contact manual, may cause harmful interference to radio your local waste disposal service or Renishaw communications. Operation of this equipment distributor. in a residential area is likely to cause harmful interference in which case the user will be REACH statement required to correct the interference at his own expense. Information required by Article 33 (1) of Regulation (EC) No 1907/2006 relating to products containing SVHCs is available at: www.renishaw.com/REACH OMI-2 installation guide Before you begin Safety Information to the user · the dc supply to this equipment must be derived from a source which is approved to IEC/BS/EN 60950-1. In all applications involving the use of machine Equipment operation tools or CMMs, eye protection is recommended. If this equipment is used in a manner not specified 1.4 The OMI-2 has a glass window. Handle with care by the manufacturer, the protection provided by if broken to avoid injury. the equipment may be impaired. Information to the machine supplier/ installer Optical safety This product contains LEDs that emit both visible It is the machine supplier's responsibility to ensure and invisible light. that the user is made aware of any hazards involved in operation, including those mentioned in Renishaw product literature, and to ensure OMI-2 is ranked Risk Group: Exempt (safe by design). that adequate guards and safety interlocks are provided. The product was evaluated and classified using the following standard: Under certain circumstances, the probe signal may falsely indicate a probe seated condition. Do not rely on probe signals to halt the movement of the machine. Information to the equipment installer All Renishaw equipment is designed to comply with the relevant EC and FCC regulatory requirements. It is the responsibility of the equipment installer to ensure that the following guidelines are adhered to, in order for the product to function in accordance with these regulations: BS EN 62471:2008 The photobiological (IEC 62471:2006) safety of lamps and lamp systems. Renishaw recommends that you do not stare at or look directly into any LED device, irrespective of its risk classification. · any interface MUST be installed in a position away from any potential sources of electrical noise, i.e. power transformers, servo drives etc; · all 0 V/ground connections should be connected to the machine "star point" (the "star point" is a single point return for all equipment ground and screen cables). This is very important and failure to adhere to this can cause a potential difference between grounds; · all screens must be connected as outlined in the user instructions; · cables must not be routed alongside high current sources, i.e. motor power supply cables etc, or be near high-speed data lines; · cable lengths should always be kept to a minimum. OMI-2 basics 2.1 Introduction The OMI-2 is a combined optical receiver and machine interface which is designed to be mounted within the machine's working envelope. The OMI-2 operates using a modulated optical transmission mode and is compatible with machine probes that also operate in modulated mode. Power supply The OMI-2 can draw its supply from the CNC machine's nominal 12 Vdc to 30 Vdc supply. The maximum supply current is 100 mA when the OMI-2 is transmitting and 40 mA when the OMI-2 is receiving. The values quoted are based on a 24 Vdc and assume all outputs are open circuit. CAUTION: This equipment will only perform to specification if the power supply 0 V is connected to the machine ground (star point). Input voltage ripple The input voltage ripple must not cause the voltage to fall below 12 V or rise above 30 V. OMI-2 installation guide OMI-2 visual diagnostics Magnetic label OMI-2 basics A visual indication of system status is provided by LEDs. Indication is provided for: · START SIGNAL; A summary of OMI-2 LED activity is provided on a magnetic label. The label may be placed on any machine flat metal surface. · LOW BATTERY; 2.2 · PROBE STATUS; · ERROR; · SIGNAL CONDITION PROBE STATUS LED START LED LOW BATTERY LED SIGNAL LED ERROR LED NOTE: Keep the window clean (see Section 4, "Maintenance"). START SIGNAL LED (yellow) ERROR LED (red, blue, yellow, violet) OMI-2 basics Lit when a START signal is transmitted to the Indicates a transmission error condition, probe. e.g. optical beam obstructed, probe out of optical range, probe switched off or battery dead. This LED will either flash once when a machine control START signal is commanded, or flash Red No communication: at one second intervals when the system is set There is no signal from the probe. to `Auto-Start' mode and is waiting for a probe 2.3 transmission signal. Blue Multiple probe detected: A second modulated signal is being LOW BATTERY LED (red) received. The LED is lit when the activated probe battery voltage falls below a set level. Yellow Interference: Either the signal received from the probe is too weak, or interference is Replace the probe battery as soon as is present. practicable after this LED is lit. Violet Good communication: PROBE STATUS LED (green, red) Interference or a weak probe signal has caused the trigger instant to be This bicolour LED is lit when the OMI-2 is delayed. powered. Green Probe is seated. NOTE: If the ERROR LED is activated because the blue or yellow condition causes the loss of a Red Probe is triggered or an error has good probe signal, or the violet condition occurs, occurred. then the indication will persist until the `Machine Start' is activated or one hour has elapsed. The change of colour of this LED will coincide with the probe status output devices changing state. SIGNAL CONDITION LED (red, yellow, green) This tricolour LED is lit when the OMI-2 is powered and indicates as follows: Red No communication: There is no signal from the probe. Yellow Interference: Either the signal received from the probe is too weak, or interference is present. Green Good communication: The condition of signal received from the probe is good. OMI-2 installation guide OMI-2 basics OMI-2 inputs Machine start inputs: Machine start is configurable as a level or pulsed signal. Output voltages · Sourcing = 4.5 V min at 10 mA. = 2.4 V min at 50 mA. · Sinking = 0.4 V max at 10 mA. = 1.3 V max at 50 mA. 2.4 Level 10 V to 30 V (2.4 mA at 24 V) When the input is active, the probe is Switching times switched on. · Low to high = 20 µs max. Pulsed 12 V to 30 V (10 mA at 24 V) · High to low The probe toggles from being switched = 10 µs max. on/off. The minimum pulse width is 10 ms. Probe status 2b, (driven at power supply voltage): Machine start wires: White = positive Brown = negative OMI-2 outputs There are five outputs: · Probe status 1 (SSR) · Load current = 50 mA max. Output voltages · Sourcing (voltage supply output voltage) = 2.6 V min at 10 mA. = 3.5 V min at 50 mA. · Sinking = 2.0 V max at 10 mA. = 2.9 V max at 50 mA. · Probe status 2a (5 V isolated driven skip) · Probe status 2b (driven at power supply voltage) · Error (SSR) · Low battery (SSR) Switching times · Low to high = 10 µs max. · High to low = 10 µs max. CAUTIONS: Power supply voltage All outputs can be inverted by using switches Do not exceed 30 V between the following: SW1 and SW2, (see "Switches SW1 and SW2" on page 2.6). · the 0 V and the screen wire; Probe status 1, Error, Low battery (SSR): · `On' resistance 50 ohms max. · Load voltage 40 V max. · the 12 V to 30 V supply wire and screen wire; · the 12 V to 30 V supply wire and 0 V wires. The use of in-line fuses at the machine cabinet end is recommended to provide protection for the · Load current 100 mA max. OMI-2 and cable. Switching times · Open to closed 100 µs max. Screen connection A good connection must be made to the machine ground (star point). · Closed to open 25 µs max. Output Ensure the output from the OMI-2 does not exceed the specified current ratings. Probe status 2a, (5 V isolated driven skip): · Load current 50 mA max. OMI-2 basics OMI-2 output waveforms NOTE: Outputs can be inverted by using switches SW1 and SW2 (see "Switches SW1 and SW2" on page 2.6). OMI-2 SSR/driven outputs Probe status 1 (level) Seated Probe switch on Power off Triggered Probe Seated Probe trigger Probe reseat Error e.g. low signal Error clear Probe Low switch battery off 2.5 Normally open Probe status 1 (pulsed) Normally open Error Normally closed OMI-2 SSR/driven outputs Low battery Seated Probe switch on Power off Triggered Probe Seated Probe trigger Probe reseat Error e.g. low signal Error clear Probe Low switch battery off Normally open Probe status 2a/2b (level) Normally low Probe status 2a/2b (pulsed) Normally low Signal delays 1. Transmission delay Probe trigger to output change of state = 1.3 ms max. 2. Start delay Time from initiation of start signal to valid signal transmission = 410 ms max. for kinematic probes and 1 second max. for strain gauge probes. NOTE: Pulsed outputs are 40 ms ±1 ms duration. OMI-2 installation guide Switches SW1 and SW2 2.6 OMI-2 basics SW1 SW2 NOTE: To gain access to the switches, remove the window (see "Removing the OMI-2 window" in Section 4, "Maintenance"). Switch SW1 output configuration PROBE LOW ERROR STATUS 1 BATTERY Rx RANGE Pulsed N/O N/O N/O 100% Switch SW2 output configuration PROBE MACHINE START STATUS 2a/2B START START RANGE Pulsed N/H Level Auto 50% ON Level N/C N/C N/C 50% Factory settings shown are for: · A-5191-0049 · A-5191-0050 Level N/L Pulsed Machine 100% Abbreviations are as follows: · N/O = Normally Open · N/C = Normally Closed · N/H = Normally High · N/L = Normally Low CAUTION: Exercise caution when using error or probe SSR in N/O mode as a wiring fault could cause a loss of error condition and therefore could result in a non-fail safe condition. Switch-on/switch-off OMI-2 basics Switch-on/switch-off method The OMI-2 operates using either optical on/optical off as the switch-on/switch-off method or auto start. Optical on/optical off is available with all 2.7 Renishaw's OMP range of spindle probes and the optical tool setter (OTS). Time out, spin on/ spin off and shank on/shank off options are also compatible with the OMI-2. Auto start Auto start selection causes the system to send a start signal at 1 second intervals, and should only be used when there is no available output from the machine control. In this mode, ensure start signals cannot be received by probes in the tool changer, on the machine table (e.g. OTS) or on other machines. Auto start is not recommended for use with the OTS. Start-up times In normal operation the start-up time for a modulated probe (as reported by the OMI-2 error signal) is 410 ms max. for kinematic probes and 1 second max. for strain gauge probes. When turning the probe off and back on, allow 1 second between machine start inputs. OMI-2 basics OMI-2 installation guide OMI-2 dimensions 84 (3.30) 40 (1.57) 40 (1.57) 2.8 46.7 (1.84) 40 (1.57) 45 (1.77) 63 (2.48) Dimensions given in mm (in) 16 (0.63) OMI-2 specification OMI-2 basics Principal application The OMI-2 processes signals from RENGAGETM or standard probes, and converts them into machine outputs, which are then transmitted to the CNC control. Transmission type Probes per system Compatible probes Infrared optical transmission (modulated) One OMP40-2, OMP40M, OLP40, OMP60, OMP60M, OMP400, 2.9 OMP600 and OTS Operating range Up to 6 m (19.7 ft) Weight OMI-2 including 8 m (26.2 ft) of cable = 926 g (32.66 oz) OMI-2 including 15 m (49.2 ft) of cable = 1457 g (51.39 oz) Supply voltage 12 Vdc to 30 Vdc (see "Wiring diagram" in Section 3, "System installation") Supply current Transmitting: 100 mA max. Receiving: 40 mA max. NOTE: @24 Vdc, all outputs open circuit. Configurable M-code input Output signal Input/output protection Cable Specification (to machine control) Length Diagnostic LEDs Mounting Environment IP rating IK rating Pulsed or level Probe status 1, Low battery, Error Voltage-free solid-state relay (SSR) outputs, configurable normally open or normally closed. Probe status 2a 5 V isolated driven output, invertible. Probe status 2b Power supply voltage driven output, invertible. Supply protected by resettable fuse. Outputs protected by over current protection circuit. Ø7.5 mm (0.29 in), 13-core screened cable, each core 18 × 0.1 mm 8 m (26.2 ft), 15 m (49.2 ft) Start, low battery, probe status, error and signal condition. Flush mounting or directional mounting with optional mounting bracket (available separately). IPX8, BS EN 60529:1992+A2:2013 (IEC 60529:1989+A1:1999+A2:2013) IK03 (BS EN IEC 62262: 2002) [for glass window] Storage temperature 25°C to +70°C (13 °F to +158°F) Operating temperature +5 °C to +55 °C (+41 °F to +131 °F) OMI-2 basics OMI-2 installation guide 2.10 This page is intentionally left blank. System installation 3.1 Mounting bracket (optional) NOTE: Install OMI-2 with cable exiting from lower side for good coolant run off. 19 (0.75) 38 (1.50) 25 25 (0.98) (0.98) 3 holes Ø6.4 (0.25) 3 grip protrusions 100.5 (3.95) 2.0 (0.08) 30 (1.18) 25 (0.98) 2.0 (0.08) Dimensions given in mm (in) 45 (1.77) 45 (1.77) 45° 90 (3.54) 3 pairs of holes Ø5.3 (0.20) permit OMI2 mounting in an alternative orientation OMI-2 installation guide System installation Wiring diagram (with output groupings shown) 3.2 OMI-2 Turquoise Turquoise/black Violet Violet/black Green Green/black White Brown 5 V Driver Yellow Grey Driver 12 V to 30 V 0 V Orange Red Black Screen Green/yellow Probe status 1 (SSR) Low battery (SSR) Error (SSR) +ve Machine start input -ve Signal Return Probe status 2a (5 V isolated driven skip) Probe status 2b (driven at power supply voltage) Power supply (12 V to 30 V) Machine ground (star point) CAUTIONS: The power supply 0 V should be terminated at the machine ground (star point). If a negative supply is used then the negative output must be fused. The dc supply to this equipment must be derived from a source which is approved to IEC/BS/EN 60950-1. Installation with inspection and Remote external audible output tool setting probe Any one of the probe status outputs can be used On machines where the OMI-2 is to be integrated to drive an external audible indicator when set to with a tool setting probe input, and only one probe pulsed (see "OMI-2 outputs" on page 2.4). input is provided on the control, an M code can be used to drive an external relay that will select NOTE: Audible indicator operation is not possible which probe is monitored. if both skip drives are being monitored by the control. CONTROL PROBE INPUT RELAY Probe status from OMI-2 Probe status from tool setter M CODE OMI-2 cable Fitting flexible conduit System installation Cable termination A ferrule should be crimped onto each cable wire for a more positive connection at the terminal box. Standard cable variants 3.3 The OMI-2 standard polyurethane cables are 8 m (26 ft) and 15 m (49.2 ft) long. Please contact Renishaw for other cable lengths. Cable specification Ø7.5 mm (0.29 in), 13 core screened cable, each core 18 × 0.1 mm. Cable sealing Coolant and dirt are prevented from entering the OMI-2 by the cable sealing gland. The OMI-2 cable can be protected against physical damage by fitting a flexible conduit if required. A recommended flexible conduit is AnametTM Sealtite HFX (5/16 in) polyurethane. A conduit kit is available (see Section 6, "Parts list"). Cable Flexible conduit Adaptor A Conduit termination piece Plastic olive Nut B CAUTIONS: Failure to adequately protect the cable can result in system failure due to either cable damage or coolant ingress through cores into the OMI-2. NOTE: Conduit bulkhead fittings require a clearance hole for an M16 thread. Failure due to inadequate cable protection will invalidate the warranty. When tightening or loosening nut B on the conduit, ensure that torque is only applied between A and B. 1. Slide nut B and the plastic olive onto the conduit. 2. Screw the conduit termination piece into the end of the conduit. 3. Fit the conduit to adaptor A and tighten nut B. System installation OMI-2 installation guide Screw torque values Nm (lbf.ft) × 2 3.4 3.0 mm A/F 2 Nm (1.47 lbf. ft) × 2 8.0 mm A/F 5 Nm (3.68 lbf. ft) HOLD 19.0 mm A/F 4.0 mm A/F 22.0 mm (7/8 in A/F) 22 Nm (16.22 lbf. ft) MAXIMUM Maintenance 4.1 Maintenance Cleaning the window You may undertake the maintenance routines described in these instructions. Further dismantling and repair of Renishaw equipment is a highly specialised operation, which must be carried out at an authorised Renishaw Service Centre. Wipe the window with a clean cloth to remove machining residue. This should be done on a regular basis to maintain optimum transmission. Equipment requiring repair, overhaul or attention under warranty should be returned to your supplier. CAUTION: The OMI-2 has a glass window, handle with care if broken to avoid injury. OMI-2 installation guide Removing the OMI-2 window Fitting the OMI-2 window Maintenance It is not necessary to remove the OMI-2 from the machine when adjusting the switch or installing replacement parts. 1. Before fitting the window, check for any damage to screws or scratch marks which could prevent sealing. The window may be removed and replaced as 2. Ensure the O-ring seating A in the OMI-2 described below to change the switch settings. 4.2 body is clean. To remove the OMI-2 window A A B B A 3. Ensure that the O-ring B and window C are clean. CAUTION: DO NOT remove the window C by twisting or rotating. 1. Clean the OMI-2 to ensure no debris enters the unit. 2. Remove the four cover screws, using a 2.5 mm A/F hexagon key. Two screws are short and two are long. Two of the cover holes are threaded A, and two are plain B. 3. The window fits tightly on the OMI-2 body, and is removed using the two long screws, which are inserted into the threaded holes A. A A B 4. Insert the two short screws into window holes D, and tighten. M3 screws (D) 2.5mm A/F × 2 0.3 to 0.5Nm (0.22 to E D 0.37lbf.ft) E D M3 screws (E) 2.5mm A/F × 2 0.9 to 1.1 Nm (0.66 to 0.81lbf.ft) 5. Place the window complete with the O-ring onto the OMI-2 body. NOTE: The O-ring should be lightly lubricated with grease. Tighten each screw a few turns at a time to pull the window up evenly. When it is clear of the body, remove the window and screws completely. 6. Insert the long screws into holes E. and tighten each screw a few turns at a time, to pull the window down evenly. There may be some resistance due to some compression of air trapped inside the body. Fault-finding 5.1 Symptom Cause Action The probe fails to switch on when in Optical Start mode or fails to switch off when in Optical Stop mode. Installation / CNC program fault. The probe is out of the start range. Correct the Mcode wiring and/or the CNC program. Change the CNC program to bring the probe within the start range of the OMI-2 and ensure that the appropriate start range is selected. The transmission beam is obstructed. Clean the OMI-2 window and remove any obstructions. Incompatible probe / probe transmission setting. Change the probe or probe setting to modulated PROBE1. Incorrect Machine Start setting. Reconfigure the Machine Start setting SW2. Dead probe batteries. Replace the probe batteries. Optical interference is blocking the start signal. Check the OMI-2 visual diagnostics. For instructions describing how to check the visual diagnostics (see "OMI-2 visual diagnostics" on page 2.2). Remove the source of interference or reposition the OMI-2 such that interfering light does not shine onto the OMI-2 window or probe window. OMI-2 installation guide Symptom Cause Action Fault-finding The probe stops in The transmission beam is Remove the obstruction. mid-cycle. obstructed. or An unexpected error Optical interference. occurs during a 5.2 probing cycle. or Remove the source of interference or reposition the OMI-2 such that interfering light does not shine into the OMI-2 window. An unexpected trigger occurs during the Intermittent wiring fault. Correct wiring. probing cycle. The probe has moved outside the Change the CNC program to bring reception range. the probe within the reception range of the OMI-2 and ensure that the appropriate reception range is selected. The probe is in Timer Off mode and has not been triggered for the timer period. Increase the Timer Off time setting or change the probing routine. The probe has not been triggered for more than 90 minutes. Restart the probe and ensure that the probe is not idle for 90 minutes. The probe switches on, but the OMI-2 error LED remains lit. Interfering light source is shining directly into the OMI-2 window. Check the OMI-2 visual diagnostics. For instructions describing how to check the visual diagnostics (see "OMI-2 visual diagnostics" on page 2.2). Remove the source of interference or reposition the OMI-2 such that the interfering light does not shine into the OMI-2 window. The probe is out of range. The probe is triggered when OMI2 is set to Level Machine Start. A signal is being received from a probe on an adjacent machine tool. Installation / CNC program fault. Check the signal condition LED. Change the CNC program to move the probe into the reception range of the OMI-2 and ensure the appropriate reception range is selected. Reseat the probe. Change the adjacent probe to low power mode or change the OMI2 reception range to 50%, if this range is acceptable. Check wiring and CNC program. Symptom Cause Action Fault-finding The probe indicates low battery condition, but the machine control does not. Installation / CNC program fault. Correct low battery SSR wiring and/or CNC program. The machine control does not respond to the probe being triggered or seated. Probe is not switched on. Probe is out of range. Attempt to switch it on. 5.3 Change the CNC program to bring the probe within the reception range. Installation / CNC program fault. Correct the probe status output(s) wiring and CNC program. A signal is being received from a probe on an adjacent machine tool. Change the adjacent probe to low power mode or change the OMI-2 reception range to 50%, if this range is acceptable. Probe triggers but the The OMP400 or OMP600 has OMI-2 does not respond. the 3 second switch-on mode selected. Reconfigure the OMP400 or OMP600 to the standard switchon delay. The probe is out of range. Review the performance envelopes. The transmission beam obstructed. Check that the probe and OMI-2 windows are clean, and remove any obstruction. The probe is set to legacy transmission. Reconfigure to modulated transmission. Low battery, Probe status and Error LEDs are flashing red. An output overload has occurred. Remove power to the system and remove the source of the problem Turning on the system will reset the OMI-2. If the system displays any other symptom, check the installation before contacting your local Renishaw office. Fault-finding OMI-2 installation guide 5.4 This page is intentionally left blank. Parts list 6.1 Item Part number Description OMI-2 kit A-5191-0049 OMI-2 with 8 m (26 ft) cable, magnetic label, tool kit and quick-start guide. OMI-2 kit A-5191-0050 OMI-2 with 15 m (49 ft) cable, magnetic label, tool kit and quick-start guide. Mounting bracket A-2033-0830 Mounting bracket. Conduit kit A-4113-0306 Conduit kit with 1 m (3.28 ft) of polyurethane conduit and bulkhead connector (M16 thread). Window replacement kit A-5191-0019 Comprising: window assembly with O-ring, 3 × stainless steel M3 × 14 mm long screws, 3 × stainless steel M3 × 5 mm long screws and 1 × 2.5 mm hexagon wrench. Tool kit A-5191-0300 Comprising: 1 × 2.5 mm hexagon wrench, 1 × 4 mm hexagon wrench, 14 × ferrules, 2 × M5 screws, 2 × M5 washers and 2 × M5 nuts. Publications. These can be downloaded from our website at www.renishaw.com. OMI-2 H-5191-8500 Quick-start guide: for rapid set-up of the OMI-2 optical machine interface. OMP40-2 H-4071-8500 Quick-start guide: for rapid set-up of the OMP40-2 optical machine probe. OLP40 H-5625-8500 Quick-start guide: for rapid set-up of the OLP40 optical lathe probe. OMP400 A-5069-8500 Quick-start guide: for rapid set-up of the OMP400 optical machine probe (includes CD with installation guide). OMP60 A-4038-8501 Quick-start guide: for rapid set-up of the OMP60 optical machine probe (includes CD with installation guide). OMP600 H-5180-8500 Quick-start guide: for rapid set-up of the OMP600 optical machine probe. OTS H-5401-8500 Quick-start guide: for rapid set-up of the OTS optical tool setting probe. NOTE: The serial number of each OMI-2 unit is found at the bottom of the housing. Renishaw plc New Mills, Wotton-under-Edge Gloucestershire, GL12 8JR United Kingdom T +44 (0)1453 524524 F +44 (0)1453 524901 E uk@renishaw.com www.renishaw.com For worldwide contact details, visit www.renishaw.com/contact © 20152019 Renishaw plc Issued: 02.2019 *H-5514-8504-03* Part no. H-2000-8504-03Adobe PDF Library 15.0