Renishaw OMI-2 optical machine interface Installation Guide
Renishaw OMI-2 is an optical machine interface that provides a simple non-contact method of tool setting and broken tool detection for CNC machining centers. It uses an infrared LED and photodetector to detect the presence or absence of a tool in the spindle, and can also be used to measure tool length and diameter. The OMI-2 is easy to install and use, and can help to improve productivity and reduce downtime.
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Pubblicità
Installation guide
H-5191-8504-03-A
OMI-2 optical machine interface
© 2015–2019 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
Before you begin
OMI-2 basics
OMI-2 specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.9
i
ii
OMI-2 installation guide
System installation
Maintenance
Fault-finding
Parts list
Before you begin
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.
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:
Trade marks
• neglected, mishandled or inappropriately used; or 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.
• 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.
1.1
1.2
OMI-2 installation guide
Patents
None applicable .
EU declaration of conformity
C
FCC Information to user (USA only)
47 CFR Section 15.19
Renishaw plc declares under its sole responsibility that the OMI-2 is in conformity with all relevant
Union legislation.
This device complies with part 15 of the FCC
Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
The full text of the EU declaration of conformity is available at: www.renishaw.com/mtpdoc.
2. This device must accept any interference received, including interference that may cause undesired operation.
WEEE directive
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.
REACH statement
47 CFR Section 15.105
The use of this symbol on Renishaw products and/or accompanying documentation indicates that the product should not be mixed with general household waste upon disposal. It is the responsibility of the end user to dispose of this product at a designated collection point for waste electrical and electronic equipment (WEEE) to enable reuse or recycling. Correct disposal of this product will help to save valuable resources and prevent potential negative effects on the environment. For more information, please contact your local waste disposal service or Renishaw distributor.
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.
Information required by Article 33 (1) of
Regulation (EC) No 1907/2006 relating to products containing SVHCs is available at: www.renishaw.com/REACH
1.3
OMI-2 installation guide
1.4
Safety
• the dc supply to this equipment must be derived from a source which is approved to
IEC/BS/EN 60950-1.
Information to the user
In all applications involving the use of machine tools or CMMs, eye protection is recommended.
The OMI-2 has a glass window. Handle with care if broken to avoid injury.
Equipment operation
If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.
Information to the machine supplier/ installer
Optical safety
It is the machine supplier’s responsibility to ensure that the user is made aware of any hazards involved in operation, including those mentioned in Renishaw product literature, and to ensure that adequate guards and safety interlocks are provided.
This product contains LEDs that emit both visible and invisible light.
OMI-2 is ranked Risk Group: Exempt (safe by design).
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.
BS EN 62471:2008
(IEC 62471:2006)
The photobiological safety of lamps and lamp systems.
Information to the equipment installer
Renishaw recommends that you do not stare at or look directly into any LED device, irrespective of its risk classification.
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:
• 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
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.
2.1
OMI-2 installation guide
2.2
OMI-2 visual diagnostics Magnetic label
A visual indication of system status is provided by
LEDs. Indication is provided for:
A summary of OMI-2 LED activity is provided on a magnetic label. The label may be placed on any machine flat metal surface.
• START SIGNAL;
• LOW BATTERY;
• 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)
Lit when a START signal is transmitted to the probe.
Indicates a transmission error condition, 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 at one second intervals when the system is set to ‘Auto-Start’ mode and is waiting for a probe transmission signal.
Red – No communication:
There is no signal from the probe.
Blue – Multiple probe detected:
A second modulated signal is being received.
LOW BATTERY LED (red)
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 present.
Replace the probe battery as soon as is practicable after this LED is lit.
PROBE STATUS LED (green, red)
Violet – Good communication:
Interference or a weak probe signal has caused the trigger instant to be delayed.
This bicolour LED is lit when the OMI-2 is powered.
Green – Probe is seated.
Red – Probe is triggered or an error has occurred.
The change of colour of this LED will coincide with the probe status output devices changing state.
NOTE: If the ERROR LED is activated because the blue or yellow condition causes the loss of a good probe signal, or the violet condition occurs, then the indication will persist until the ‘Machine
Start’ is activated or one hour has elapsed.
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 .
2.3
OMI-2 installation guide
2.4
OMI-2 inputs
Machine start inputs:
Machine start is configurable as a level or pulsed signal.
Level 10 V to 30 V (2.4 mA at 24 V)
When the input is active, the probe is switched on.
Pulsed 12 V to 30 V (10 mA at 24 V)
The probe toggles from being switched on/off. The minimum pulse width is
10 ms.
Machine start wires:
White = positive
Brown = negative
OMI-2 outputs
There are five outputs:
• Probe status 1 (SSR)
• Probe status 2a (5 V isolated driven skip)
• Probe status 2b (driven at power supply voltage)
• Error (SSR)
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.
Switching times
• Low to high = 20 µs max.
• High to low = 10 µs max.
Probe status 2b, (driven at power supply voltage):
• 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.
Switching times
• Low to high = 10 µs max.
• High to low = 10 µs max.
• Low battery (SSR)
CAUTIONS:
Power supply voltage
All outputs can be inverted by using switches
SW1 and SW2, (see “Switches SW1 and SW2” on page 2.6).
Do not exceed 30 V between the following:
• the 0 V and the screen wire;
• the 12 V to 30 V supply wire and screen wire;
Probe status 1, Error, Low battery (SSR):
• the 12 V to 30 V supply wire and 0 V wires.
• ‘On’ resistance 50 ohms max.
•
•
Load voltage
Load current
40 V max.
100 mA max.
The use of in-line fuses at the machine cabinet end is recommended to provide protection for the
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 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
Power off
Probe switch on
Seated
Probe trigger
Triggered
Probe
Seated
Probe reseat
Probe status 1
(level)
Error e.g. low signal
Error clear
Low battery
Probe switch off
Normally open
Probe status 1
(pulsed)
Normally open
Error
Normally closed
OMI-2
SSR/driven outputs
Power off
Probe switch on
Seated
Probe trigger
Triggered
Probe
Seated
Probe reseat
Low battery
Error e.g. low signal
Error clear
Low battery
Probe switch 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.
2.5
2.6
OMI-2 installation guide
Switches SW1 and SW2
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
Pulsed N/O N/O N/O
Rx
RANGE
100%
Switch SW2 output configuration
PROBE MACHINE START START
STATUS 2a/2B START RANGE
Pulsed N/H Level Auto 50%
ON
Level N/C N/C
Factory settings shown are for:
•
A-5191-0049
•
A-5191-0050
N/C 50% Level N/L Pulsed Machine 100%
Abbreviations are as follows:
•
N/O = Normally Open
•
•
N/C
N/H
N/L
= Normally Closed
= Normally High
= 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
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
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.
2.7
2.8
OMI-2 installation guide
OMI-2 dimensions
84 (3.30)
40 (1.57) 40 (1.57)
46.7 (1.84)
Dimensions given in mm (in)
16 (0.63)
OMI-2 specification
Principal application
Transmission type
Probes per system
Compatible probes
Operating range
Weight
Supply voltage
Supply current
Configurable M-code input
Output signal
Input/output protection
Cable
(to machine control) Length
Diagnostic LEDs
Mounting
Environment
Specification
IP rating
IK rating
Storage temperature
Operating temperature
The OMI-2 processes signals from RENGAGE™ or standard probes, and converts them into machine outputs, which are then transmitted to the CNC control.
Infrared optical transmission (modulated)
One
OMP40-2, OMP40M, OLP40, OMP60, OMP60M, OMP400,
OMP600 and OTS
Up to 6 m (19.7 ft)
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)
12 Vdc to 30 Vdc (see “Wiring diagram” in Section 3,
“System installation”)
Transmitting: 100 mA max.
Receiving: 40 mA max.
NOTE : @24 Vdc, all outputs open circuit.
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]
–25 °C to +70 °C (–13 °F to +158 °F)
+5 ° C to +55 ° C (+41 ° F to +131 ° F)
2.9
2.10
OMI-2 installation guide
This page is intentionally left blank.
System installation
Mounting bracket (optional)
NOTE: Install OMI-2 with cable exiting from lower side for good coolant run off.
3.1
Dimensions given in mm (in)
2.0
(0.08)
25
(0.98)
25
(0.98)
3 holes Ø6.4 (0.25) 3 grip protrusions
100.5 (3.95)
45 (1.77)
90 (3.54)
45°
3 pairs of holes
Ø5.3 (0.20) permit OMI-2 mounting in an alternative orientation
OMI-2 installation guide
System installation
3.2
Wiring diagram (with output groupings shown)
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
+ve
-ve
Probe status 1 (SSR)
Low battery (SSR)
Error (SSR)
Machine start input
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 tool setting probe
Remote external audible output
On machines where the OMI-2 is to be integrated with a tool setting probe input, and only one probe input is provided on the control, an M code can be used to drive an external relay that will select which probe is monitored.
Any one of the probe status outputs can be used to drive an external audible indicator when set to pulsed (see “OMI-2 outputs” on page 2.4).
NOTE: control.
Audible indicator operation is not possible if both skip drives are being monitored by the
CONTROL
PROBE INPUT
RELAY Probe status from OMI-2
Probe status from tool setter
M CODE
OMI-2 cable
Cable termination
A ferrule should be crimped onto each cable wire for a more positive connection at the terminal box.
Fitting flexible conduit
Standard cable variants
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 Anamet™
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.
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 .
NOTE: Conduit bulkhead fittings require a clearance hole for an M16 thread.
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 .
3.3
System installation
OMI-2 installation guide
Screw torque values Nm (lbf.ft)
System installation
3.4
× 2
3.0 mm A/F
2 Nm
(1.47 lbf. ft)
× 2
8.0 mm A/F
5 Nm
(3.68 lbf. ft)
19.0 mm A/F
HOLD
4.0 mm A/F
22.0 mm (7/8 in A/F)
22 Nm (16.22 lbf. ft)
MAXIMUM
Maintenance
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.
4.1
CAUTION: The OMI-2 has a glass window, handle with care if broken to avoid injury.
OMI-2 installation guide
4.2
Removing the OMI-2 window
It is not necessary to remove the OMI-2 from the machine when adjusting the switch or installing replacement parts.
The window may be removed and replaced as described below to change the switch settings.
To remove the OMI-2 window
Fitting the OMI-2 window
1. Before fitting the window, check for any damage to screws or scratch marks which could prevent sealing.
2. Ensure the O-ring seating A in the OMI-2 body is clean.
A
A
B
B
A
3. Ensure that the O-ring B and window C are clean.
C CAUTION: DO NOT remove the window by twisting or rotating.
B
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 .
4. Insert the two short screws into window holes
D , and tighten.
E
D
M3 screws ( D )
2.5 mm A/F × 2
0.3 to 0.5 Nm (0.22 to
0.37 lbf.ft)
D
E
M3 screws ( E )
2.5 mm A/F × 2
0.9 to 1.1 Nm (0.66 to
0.81 lbf.ft)
A
5. Place the window complete with the O-ring onto the OMI-2 body.
A
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.
NOTE: The O-ring should be lightly lubricated with grease.
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
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.
Correct the M–code wiring and/or the CNC program.
The probe is out of the start range.
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.
Incorrect Machine Start setting.
Dead probe batteries.
Optical interference is blocking the start signal.
Change the probe or probe setting to modulated PROBE1.
Reconfigure the Machine Start setting SW2.
Replace the probe batteries.
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.
5.1
OMI-2 installation guide
5.2
Symptom
The probe stops in mid-cycle.
or
An unexpected error occurs during a probing cycle.
or
An unexpected trigger occurs during the probing cycle.
Cause
The transmission beam is obstructed.
Optical interference.
Intermittent wiring fault.
Remove the source of interference or reposition the OMI-2 such that interfering light does not shine into the OMI-2 window.
Correct wiring.
Action
Remove the obstruction.
The probe has moved outside the reception range.
Change the CNC program to bring 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.
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.
The probe is triggered when
OMI-2 is set to Level Machine
Start.
A signal is being received from a probe on an adjacent machine tool.
Installation / CNC program fault.
Change the adjacent probe to low power mode or change the OMI-2 reception range to 50%, if this range is acceptable.
Check wiring and CNC program.
Symptom Cause Action
The probe indicates low battery condition, but the machine control does not.
Installation / CNC program fault.
The machine control does not respond to the probe being triggered or seated.
Probe is not switched on.
Probe is out of range.
Correct low battery SSR wiring and/or CNC program.
Attempt to switch it on.
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.
Probe triggers but the
OMI-2 does not respond.
The OMP400 or OMP600 has the 3 second switch-on mode selected.
The probe is out of range.
Change the adjacent probe to low power mode or change the OMI-2 reception range to 50%, if this range is acceptable.
Reconfigure the OMP400 or
OMP600 to the standard switchon delay.
Review the performance envelopes.
Low battery, Probe status and Error LEDs are flashing red.
The transmission beam obstructed.
The probe is set to legacy transmission.
Check that the probe and OMI-2 windows are clean, and remove any obstruction.
Reconfigure to modulated transmission.
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.
5.3
5.4
OMI-2 installation guide
This page is intentionally left blank.
Parts list
Item
OMI-2 kit
Part number Description
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
Window replacement kit
A-4113-0306 Conduit kit with 1 m (3.28 ft) of polyurethane conduit and bulkhead connector (M16 thread).
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
OMP400
OMP60
H-5625-8500 Quick-start guide: for rapid set-up of the OLP40 optical lathe probe.
A-5069-8500 Quick-start guide: for rapid set-up of the OMP400 optical machine probe (includes CD with installation guide).
A-4038-8501 Quick-start guide: for rapid set-up of the OMP60 optical machine probe (includes CD with installation guide).
OMP600
OTS
H-5180-8500 Quick-start guide: for rapid set-up of the OMP600 optical machine probe.
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.
6.1
Renishaw plc
New Mills, Wotton-under-Edge
Gloucestershire, GL12 8JR
United Kingdom
T +44 (0)1453 524524
F +44 (0)1453 524901
www.renishaw.com
For worldwide contact details, visit www.renishaw.com/contact
© 2015–2019 Renishaw plc Issued: 02.2019
*H-5514-8504-03*
Part no. H-2000-8504-03
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