Renishaw OMP40-2 Manual
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Renishaw OMP40-2 Manual

Optical machine probe
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Installation guide
H-4071-8504-05-B
OMP40-2 optical machine probe

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Summary of Contents for Renishaw OMP40-2

  • Page 1 Installation guide H-4071-8504-05-B OMP40-2 optical machine probe...
  • Page 2 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. Renishaw plc. Registered in England and Wales. Company no: 1106260. Registered office: New Mills, Wotton-under-Edge, Gloucestershire, GL12 8JR, UK.

  • Page 3: Table Of Contents

    OMI-2H interface / receiver ..........3.2 Installing the OMP40-2 with a OMM-2C receiver with OSI or OSI-D interface ... . . 3.3...
  • Page 4 Preparing the OMP40-2 for use ........

  • Page 5: Before You Begin

    Renishaw office. Renishaw warrants its equipment and software for a limited period (as set out in the Standard Terms and Conditions), provided that they are installed and used exactly as defined in associated Renishaw documentation.

  • Page 6: Care Of The Probe

    Keep system components clean and treat the probe as a precision tool. Patents Features of the OMP40-2 probe, and other similar Renishaw probes, are subject of one or more of the following patents and / or patent applications: EP 1457786...

  • Page 7: Safety

    Lithium metal batteries are classified as dangerous goods for transportation and require labelling and packaging in accordance with the dangerous goods regulations before being offered for transportation. To reduce the risk of shipment delays, should you need to return this product to Renishaw for any reason, do not return any batteries.
  • Page 8 The product was evaluated and classified using the following standard: BS EN 62471:2008 The photobiological 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.

  • Page 9: Microchip Software Licensing Agreement

    Microchip software licensing agreement This product’s firmware has been developed by Renishaw with the use of the Microchip libraries, under the following licensing terms:- This software is developed by Microchip Technology Inc. and its subsidiaries (“Microchip”). Redistribution and use in source and binary forms, with or without modification, are permitted provided...
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  • Page 11: Omp40-2 Basics

    PROBE 2 for use with twin probes or PROBE 3 for use with multiple probe systems. In ‘Legacy’ mode, the OMP40-2 is compatible with an OMM receiver and an MI 12 interface, or with an OMI receiver / interface.

  • Page 12: System Interface

    The OMI-2T receiver / interface or OMM-2 receiver with OSI or OSI-D interfaces are the recommended interfaces for use with the OMP40-2 as they provide substantially increased resistance to light interference whilst providing the user greater flexibility to operate a multiple probe system.

  • Page 13: Configurable Settings

    Configurable settings Switch-off methods The following switch-off options are user-configurable. Optical on / Optical off Optical on / Timer off OMP40-2 switch-on method OMP40-2 switch-off method Switch-on time Switch-off options are configurable Optical on Optical off Legacy (start filter off): 0.3 seconds...

  • Page 14: Enhanced Trigger Filter

    The OMP40-2 can be operated in either ‘Modulated’ or ‘Legacy’ optical transmission mode. Modulated mode The OMP40-2 becomes compatible for use with the OMM-2 or OMM-2C receiver with OSI or OSI-D interface or with an OMI-2 / OMI-2T / OMI-2H / OMI-2C receiver / interface to provide substantially increased resistance to light interference.

  • Page 15: Optical Power

    Optical power Where the separation between the OMP40-2 and the receiver is small, low optical power may be used. In this setting, the optical transmission range will be reduced, as shown on the performance envelopes, so that battery life will be extended.

  • Page 16: Omp40-2 Specification

    XY plane ±12.5° +Z plane 6 mm (0.24 in) Environment IP rating IPX8, BS EN 60529:1992+A2:2013 IK rating (OMP40-2 and IK01, BS EN 62262:2002+A1:2021 OMP40-2 LS) [for glass window] IK rating (OMP40M) IK02, BS EN 62262:2002+A1:2021 [for glass window] Storage temperature –25 °C to +70 °C (–13 °F to +158 °F)

  • Page 17: Typical Battery Life

    Typical battery life Modulated transmission 2 × ½AA 3.6 V LTC batteries Standard power Low power Ultra low power (typical) Standby life 600 days 1500 days 1500 days Light usage 1% 460 days 1000 days 1200 days Heavy usage 5% 220 days 480 days 600 days...
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  • Page 19: System Installation

    Section 2, “System installation” System installation Installing the OMP40-2 with OMM-2 receiver with OSI or OSI-D interface or OMI-2 / OMI-2T / OMI-2H interface / receiver OMI-2 / OMI-2T OMM-2 OMP40-2 probe or OMI-2H OSI or OSI-D interface unit...

  • Page 20: Positioning The Omm-2 Receiver With Osi Or Osi-D Interface Or Omi-2 / Omi-2T / Omi-2H Interface / Receiver

    OMP40-2 on one machine are not received by the receiver on the other machine, and vice versa. When this is the case it is recommended that the OMP40-2 low or ultra low optical power is used and that the low range setting is used on the receiver.

  • Page 21: Installing The Omp40-2 With A Omm-2C Receiver With Osi Or Osi-D Interface

    CAUTION: If two systems are operating in close proximity to each other, take care to ensure that the signals transmitted from the OMP40-2 on one machine are not received by the receiver on the other machine, and vice versa. When this is the case, it is recommended that the OMP40-2 ultra low power setting is selected.

  • Page 22: Positioning The Omm-2C Receiver With Osi Or Osi-D Interface

    Performance envelope when using the OMP40-2 with a OMM-2C receiver with OSI or OSI-D interface (modulated transmission). The diodes of the OMP40-2 and the OMM-2C receiver with OSI or OSI-D interface must be in each other’s field of view and within the performance envelope shown. The OMP40-2 performance envelope is based on the optical centre line of the OMM-2C receiver with OSI or OSI-D interface being at 0°...

  • Page 23: Preparing The Omp40-2 For Use

    Preparing the OMP40-2 for use Fitting the stylus 1.8 Nm – 2.2 Nm (1.3 lbf.ft – 1.6 lbf.ft) M-5000-3707...

  • Page 24: Stylus Weak Link

    NOTE: Must be used with steel styli. For optimum metrology performance do not use a weak link with ceramic or carbon fibre styli. Fitting a stylus with a weak link onto the OMP40-2 In the event of excessive stylus overtravel, the weak link is designed to break, thereby protecting the probe from damage.

  • Page 25: Installing The Batteries

    Installing the batteries NOTES: See page 5.2, “Changing the batteries”, for a list of suitable battery types. If dead batteries are inadvertently inserted, the LEDs will remain a constant red. Do not allow coolant or debris to enter the battery compartment. When inserting batteries, check that the battery polarity is correct.

  • Page 26: Mounting The Probe On A Shank

    OMP40-2 installation guide Mounting the probe on a shank 2 mm A/F × 2 2 mm A/F × 2 × 4 × 4 2 mm A/F × 2 0,5 Nm – 1,5 Nm (0.4 lbf.ft – 1.1 lbf.ft)

  • Page 27: Stylus On-Centre Adjustment

    Stylus on-centre adjustment NOTES: If a probe and shank assembly is dropped, it must be rechecked for correct on-centre adjustment. Do not hit or tap the probe to achieve on-centre adjustment. × 4 × 2 1.5 Nm – 2.2 Nm (1.1 lbf.ft –...

  • Page 28: Calibrating The Omp40-2

    OMP40-2 installation guide Calibrating the OMP40-2 Why calibrate a probe? A spindle probe is just one component of the measurement system which communicates with the machine tool. Each part of the system can introduce a constant difference between the position that the stylus touches and the position that is reported to the machine.

  • Page 29: Calibrating The Probe Length

    Calibrating the probe length Calibrating a probe on a known reference surface determines the length of the probe, based on the electronic trigger point. The stored value for length is different from the physical length of the probe assembly. Additionally, the operation can automatically compensate for machine and fixture height errors by adjusting the probe length value that is stored.
  • Page 30 OMP40-2 installation guide 3.12 This page is intentionally left blank.

  • Page 31: Trigger Logic

    see Section 3, “Trigger Logic™” Trigger Logic™ Reviewing the probe settings > 5 s LED check Key to the symbols LED short flash LED long flash × Switch-off method Optical off Short timeout Medium timeout Long timeout 12 s 33 s 134 s Enhanced trigger filter 0 ms...

  • Page 32: Probe Settings Record

    On (10 ms) Optical transmission Legacy (start filter off) method Legacy (start filter on)  Modulated PROBE 1 Modulated PROBE 2 Modulated PROBE 3 Optical power  Standard Ultra low Factory settings are for kit A-4071-2001 only. OMP40-2 serial no ........

  • Page 33: Changing The Probe Settings

    Changing the probe settings Insert the batteries or, if they have already been installed, remove them for five seconds and then refit them. Following the LED check, immediately deflect the stylus and hold it deflected until eight red flashes have been observed (if the battery power is low, each red flash will be followed by a blue flash). Keep the stylus deflected until the “Switch-off method”...

  • Page 34: Master Reset Function

    This action will clear all probe settings and return the probe to default settings. Following an LED check the OMP40-2 will then go back into Trigger Logic and will display “Switch-off method”.
  • Page 35 Battery status Battery low Battery good Switch-off method Optical off Short timeout Medium timeout Long timeout 12 s 33 s 134 s × Deflect the stylus for 20 seconds until the status LEDs start to flash yellow eight times.  Whilst the status LEDs are flashing yellow to confirm that a master reset is required, release the stylus and then hold the stylus deflected again until the eight yellow flash...

  • Page 36: Operating Mode

    OMP40-2 installation guide Operating mode LEDs LEDs LEDs flashing flashing flashing green Probe status LEDs LED colour Probe status Graphic hint Flashing green Probe seated in operating mode Flashing red Probe triggered in operating mode Flashing green and blue Probe seated in operating mode – low battery Flashing red and blue Probe triggered in operating mode –...

  • Page 37: Maintenance

    Wipe the window of the probe with a clean cloth to remove machining residue. This should be done on a regular basis to maintain optimum transmission. CAUTION: The OMP40-2 has a glass window. Handle with care if broken to avoid injury.

  • Page 38: Changing The Batteries

    OMP40-2 installation guide Changing the batteries CAUTIONS: Do not leave dead batteries in the probe. When changing batteries, do not allow coolant or debris to enter the battery compartment. When changing batteries, check that the battery polarity is correct. Take care to avoid damaging the battery cassette gasket.
  • Page 39 NOTES: After removing the old batteries, wait more than 5 seconds before inserting the new batteries. Do not mix new and used batteries or battery types, as this will result in reduced life and damage to the batteries. Always ensure that the cassette gasket and mating surfaces are clean and free from dirt before reassembly.
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  • Page 41: Omp40M System

    OMP40M system OMP40M system OMP40M is a special modular version of OMP40-2 which has an enhanced window and metal battery cassette. It enables probe inspection of part features inaccessible to OMP40-2, by fitting selected adaptors and extensions as shown below.

  • Page 42: Omp40M Screw Torque Values

    OMP40-2 installation guide OMP40M screw torque values 10 Nm to 12 Nm (7.37 lbf.ft to 8.84 lbf.ft) 10 Nm to 12 Nm (7.37 lbf.ft to 8.84 lbf.ft)

  • Page 43: Omp40-2Ls System

    OMP40-2LS system Introduction The OMP40-2LS probe has a reduced switch-on range when compared to an OMP40-2 probe. Performance envelope with an OMM-2 receiver with OSI or OSI-D interface or OMI-2 / OMI-2T / OMI-2H interface / receiver 75° 75° 60°...
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  • Page 45: Fault-Finding

    Optical/magnetic interference. Check for interfering lights or motors. Transmission beam obstructed. Check that the OMP40-2 and receiver windows are clean and remove any obstruction. No receiver start signal. Check start signal by reviewing receiver start LED.
  • Page 46 OMP40-2 installation guide Symptom Cause Action Machine stops Optical communication obstructed. Check interface / receiver and unexpectedly during a remove obstruction. probing cycle. Interface / receiver / machine fault. Refer to interface / receiver / machine user’s guide. Dead batteries.
  • Page 47 Symptom Cause Action Poor probe repeatability Debris on part or stylus. Clean part and stylus. and/or accuracy. Poor tool change repeatability. Redatum probe after each tool change. Loose probe mounting on shank Check and tighten as appropriate. or loose stylus. Excessive machine vibration.
  • Page 48 OMP40-2 installation guide Symptom Cause Action Probe fails to switch off. Incorrect “switch-off” method Reconfigure to optical off mode. configured. Optical/magnetic interference. Check for interfering lights or motors. Consider removing the interfering source. Probe is inadvertently switched Check position of receiver.

  • Page 49: Parts List

    Parts list Item Part number Description OMP40-2 A-4071-2001 OMP40-2 probe with batteries, tools and product card (set to optical on / optical off) – modulated transmission, PROBE 1 start. OMP40-2 A-4071-2002 OMP40-2 probe with batteries, tools and product card (set to optical on / time off 134 sec) –...
  • Page 50 LPE3 extension bar – 150 mm long. A-2063-7600 MA4 90° adaptor assembly. A-2063-6098 LP2 probe complete with two C spanners and TK1 tool kit. Publications. These can be downloaded from our website at www.renishaw.com. OMI-2 H-5191-8504 Installation guide: for set-up of the OMI-2. OMI-2T H-5439-8510 Installation guide: for set-up of the OMI-2T.
  • Page 51 10.1 This page is intentionally left blank.
  • Page 52 OMP40-2 installation guide 10.2 This page is intentionally left blank.
  • Page 53 10.3 This page is intentionally left blank.
  • Page 54 Renishaw plc +44 (0)1453 524524 +44 (0)1453 524901 New Mills, Wotton-under-Edge uk@renishaw.com Gloucestershire, GL12 8JR United Kingdom www.renishaw.com For worldwide contact details, visit www.renishaw.com/contact Issued: 09.2022 Part no. H-4071-8504-05-B © 2009-2022 Renishaw plc...

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