Renishaw High power optical system Installation guide
- Type
- Installation guide
Renishaw High power optical system
The Renishaw High power optical system is a high-performance measurement system that can be used for a variety of applications, including:
- Precision measurement of linear and angular displacement
- Alignment of machine tools and other precision equipment
- Inspection of manufactured parts
- Robot guidance
The system consists of a transmitter and a receiver, which are mounted on opposite sides of the object being measured. The transmitter emits a beam of light, which is reflected off the object and detected by the receiver. The travel time of the light beam is used to calculate the distance between the transmitter and the receiver.
Renishaw High power optical system
The Renishaw High power optical system is a high-performance measurement system that can be used for a variety of applications, including:
- Precision measurement of linear and angular displacement
- Alignment of machine tools and other precision equipment
- Inspection of manufactured parts
- Robot guidance
The system consists of a transmitter and a receiver, which are mounted on opposite sides of the object being measured. The transmitter emits a beam of light, which is reflected off the object and detected by the receiver. The travel time of the light beam is used to calculate the distance between the transmitter and the receiver.
Addendum
H-2000-4075-02-B
Application and installation addendum - high power
optical system
Applicable to the following units:
A-2107-0159 MP700E
A-2085-0096 MP10E
A-2033-7268 OMME
A-2075-0323 MI 12E
A-2075-0329 MI 12E (DIN-rail mount)
Disclaimer
Considerable effort has been made to ensure
that the contents of this document are free from
inaccuracies and omissions. However,
Renishaw makes no warranties with respect to
the contents of this document and specifically
disclaims any implied warranties. Renishaw
reserves the right to make changes to this
document and to the product described herein
without obligation to notify any person of such
changes.
Trademarks
All brand names and product names used in
this document are trade names, service marks,
trademarks, or registered trademarks of their
respective owners.
© 1999 - 2004 Renishaw plc. All rights reserved.
Renishaw® is a registered trademark of
Renishaw plc.
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: H-2000-4075-02-B
Issued: December 1999
Revised: March 2004
1Contents
Contents
Introduction .................................................................................................................................... 2
System components ..................................................................................................................... 3
MP700E and MP10E ................................................................................................................3
OMME ....................................................................................................................................... 3
MI 12E ....................................................................................................................................... 3
System configuration and installation ........................................................................................ 4
Installation ................................................................................................................................. 4
Cross-talk between adjacent systems ...................................................................................... 5
Transmission and reception envelope ....................................................................................... 6
Parts List ........................................................................................................................................ 8
2 Introduction
Introduction
This document describes the different system components, explains how they must be configured and
installed, and the cautions to be observed to avoid interference and cross-talk.
The high power optical transmission system is based upon standard optical systems, enhancements
allow the system to transmit up to 12 m (39.3 ft) benefiting from reflections to maintain transmission. It
enables the use of the MP700E and MP10E in applications requiring large probe and receiver
separation.
For dimensional and system operation, please use in conjunction with:
MP700 user guide - part no. H-2000-5132, MP10 user guide - part no. H-2000-5059,
OMM user guide - part no. H-2000-5044, MI 12 user guide - part no. H-2000-5073
System comparison
Operating range Turn-on range
MP700E or MP10E and OMME 9.5 m (31.1 ft) 6 m (19.6 ft)
MP700 or MP10 and OMM 6 m (19.6 ft) 3 m (9.8 ft)
MP700 or MP10 and OM1 3 m (9.8 ft) 3 m (9.8 ft)
3System components
!
System Components
MP700E and MP10E
Using an MP700E or MP10E gives an increased 360° operating envelope over MP700 or MP10. The
MP700E and MP10E probes are available in a 70° version with extended optical lobe.
OMME
The OMME incorporates an auto-gain circuit which changes sensitivity according to the strength of the
OMP signal.
MI 12E
Processes signals between the OMME and the CNC machine control.
CAUTION: For optimum system performance, the MI 12E should only be used with high
power optical systems.
4
System configuration and installation
High power systems must include the OMME and MI 12E and for maximum range the MP10E or
MP700E. For medium ranges, standard MP700 and MP10 could be used.
A typical system will comprise of 2 x OMME, an MP10E / MP700E and MI 12E.
Installation
When installing a system, OMMEs should be placed so they are in line-of-sight with the MP10E/
MP700E during ‘turn-on’ and for as much of the gauging cycle as possible. If reflections are to be
relied on, ensure the total transmission distance is within the straight-line range. Often, surfaces do not
have to look reflective to reflect well.
When the best positions for the OMME have been found, temporarily mount the OMMEs and then
move the probe to the extremities of travel, ensuring the signal strength of at least one OMME (at the
MI 12E) is >1.5 volts and the turn on signal operates the MP10E / MP700E in the positions required.
The OMME signal strength varies from 0.5 to 7 volts as the signal strength increases - the higher the
signal the more robust the system against blind-spots and interference (use test points in MI 12E).
On multi-axis machines, zeroing of MP700 may be necessary during the gauging cycle. To maximise
turn-on range, ensure both OMMEs are pointing at the point/points in the gauging cycle that turn-on is
required.
If the OMME cable requires extending, it is recommended that a new screened cable with 16/0.2
conductors is used, connected close to the OMME. This can be up to 100 m long. Such a cable must
be routed well away from power/drive cables.
System configuration and installation
5
Cross-talk between adjacent systems
Cross-talk between systems on machines in close proximity must be checked when systems are
installed, since high power systems have shown reception at up to 30 m. When two probes are active
on adjacent machines, each OMME will only pick up the closest probe and will usually ensure no
cross-talk. The installation engineer should check the closest probe is the appropriate probe ie. on the
same machine as the OMME, across the entire travel of the machine.
There is a further potential problem for a machine with its probe switched-off. Most CNC controls
ignore the signal from a probe system unless they are executing a probing cycle. Some, however,
register an error, which is a problem if the OMME picks up the signal from an inspection probe on an
adjacent machine.
If cross-talk is encountered, either the OMME can be re-directed, or the OMME’s sensitivity can be
reduced in the same way as a standard OMM. If this doesn’t work then optical systems cannot be
fitted to adjacent machines and radio probes should be recommended.
System configuration and installation
6
Transmission and reception envelope
The MP700E/MP10E has a 360° transmission envelope around probe centre line over the ranges
shown on the opposite page.
The OMP and OMME may deviate from the optical centre line, provided opposing light cones always
overlap with transmitters and receivers mutually in each others field of view (eye to eye).
Absolute minimum (no reflection) plot shown.
Transmission and reception envelope
7
O
p
tica
l ce
n
tre
line
2 (6.5)
3 (9.8)
4 (13.1)
5 (16.4)
6 (19.6)
7 (22.9)
8 (26.2)
9 (29.5)
9.5 (31.1)
+90°
+75°
+60°
+45°
+30°
+15°
0°
-15°
-30°
-45°
70° OMP
2
(6
.5
)
3
(9
.8
)
4
(1
3
.1
)
5
(1
6
.4
)
6
(1
9
.6
)
7
(2
2
.9
)
+45°
+30°
+15°
+60°
0°
-15°
-30°
-45°
-60°
OMME
8
(2
6
.2
)
9
(2
9
.5
)
9
.5
(3
1
.1
)
Switch-On/Off range Operating range
The OMP must be The OMP must be
within 6 m (19.6 ft) within 9.5 m (31.1 ft)
of the OMME. of the OMME.
Dimensions in m (ft).
NOTE: Only one OMME is
shown here.
Transmission and reception envelope
8
MP10E kit A-2085-0134 MP10E 70° probe (as below), 2 x OMME, 2 mounting
brackets, MI 12E and PS3-1C stylus.
MP700E kit A-2107-0227 MP700E 70° probe (as below), 2 x OMME, 2 mounting
brackets and MI 12E.
MP10E kit A-2085-0133 MP10E 70° probe (as below), 1 OMME, 1 mounting
bracket, MI 12E and PS3-1C stylus.
MP700E kit A-2107-0226 MP700E 70° probe (as below), 1 OMME, 1 mounting
bracket and MI 12E.
MP10E kit A-2085-0132 MP10E 70° probe (as below), 2 x OMME, 2 mounting
brackets, DIN-rail MI 12E and PS3-1C stylus.
MP700E kit A-2107-0225 MP700E 70° probe (as below), 2 x OMME, 2 mounting
brackets and DIN-rail MI 12E.
MP10E kit A-2085-0131 MP10E 70° probe (as below), 1 OMME, 1 mounting
bracket, DIN-rail MI 12E and PS3-1C stylus.
MP700E kit A-2107-0224 MP700E 70° probe (as below), 1 OMME, 1 mounting
bracket and DIN-rail MI 12E.
PARTS LIST - Please quote the Part No. when ordering equipment
Type Part No. Description
Parts list
9
MP700E A-2107-0159 MP700E 70° probe + battery, PS3-2C stylus, Ø8mm ball
and tool kit. Factory set to optical off.
MP10E A-2085-0096 MP10E 70° probe + battery, weak-link stem, Ø8mm ball
and tool kit. Factory set to time out.
OMME A-2033-7268 OMME.
MI 12E A-2075-0323 MI 12E Interface unit.
MI 12E (DIN) A-2075-0329 MI 12E Interface unit, DIN-rail mounting.
Mounting A-2033-0830 Mounting bracket with fixing screws, washer and nuts
bracket
Type Part No. Description
Parts list
10
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, please
visit our main website at
www.renishaw.com/contact
H-2000-4075-02-B
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Renishaw High power optical system Installation guide
- Type
- Installation guide
Renishaw High power optical system
The Renishaw High power optical system is a high-performance measurement system that can be used for a variety of applications, including:
- Precision measurement of linear and angular displacement
- Alignment of machine tools and other precision equipment
- Inspection of manufactured parts
- Robot guidance
The system consists of a transmitter and a receiver, which are mounted on opposite sides of the object being measured. The transmitter emits a beam of light, which is reflected off the object and detected by the receiver. The travel time of the light beam is used to calculate the distance between the transmitter and the receiver.
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