Renishaw RMI Manual de usuario
Installation and user’s guide
H-2000-5220-01-A
RMI - radio machine interface
© 2003 Renishaw. 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-2000-5220-1-A
Issued: 08.2003
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.
1
EC DECLARATION OF CONFORMITY
Renishaw plc declare that the product:-
Name: RMI
Description: Radio Machine Interface
has been manufactured in conformity with the following standard: -
BS EN 61326:1998/ Electrical equipment for measurement, control and
laboratory use - EMC requirements.
Immunity to annex A - industrial locations.
Emissions to class A (non-domestic) limits.
and that it complies with the requirements of directive (as amended): -
89/336/EEC Electromagnetic compatibility
The above information is summarised from the full EC declaration of
conformity. A copy is available from Renishaw on request.
2Installation and user’s guide
Installation and user’s guide
Warranty
Equipment requiring attention under warranty
must be returned to your supplier. No claims will
be considered where Renishaw equipment has
been misused, or repairs or adjustments have
been attempted by unauthorised persons.
Care of the RMI
Keep system components clean and treat the
RMI with care.
Do not apply metallic labels to the front of the RMI.
Changes to equipment
Renishaw reserve the right to change
specifications without obligation to change
equipment previously sold.
Weight
RMI including 15 metres (49.2 ft) of cable
= 1,700 g (60 oz).
CNC machine
CNC machine tools must always be operated
by competent persons in accordance with
manufacturers instructions.
Environment
Temperature
The RMI is specified for storage over
–10° to 70° C (14° to 158° F) and operation
over 5° to 60° C (41° to 140° F) ambient
temperature range.
Sealing
The unit is fully sealed to IPX8.
Patent notice
Features of products shown in this guide,
and of related products, are the subject of the
following patents and/or patent applications:
EP 0652413
US 4599524
US 5,279,042
JP 3,126,797
WO 02/063235
WO 03/021182
!CAUTION: Only qualified persons should
adjust switches.
3
Contents
Contents
RMI .................................................................. 4
Operating envelope ......................................... 5
RMI visual diagnostics .................................... 6
RMI outputs ..................................................... 8
RMI output waveforms .................................. 10
Wiring diagram .............................................. 12
Switches SW1, SW2 and start input ............. 13
RMI cable ...................................................... 15
RMI cable sealing and fitting
flexible conduit ............................................... 16
RMI-RMP partnership ................................... 17
Installation with inspection and
tool setting probe ........................................... 18
Remote external audible output .................... 19
Mounting bracket .......................................... 20
Removing and refitting the RMI cover .......... 21
Removing and refitting PCB .......................... 23
Side to rear exit conversion .......................... 23
Screw torque values ..................................... 24
Parts list ......................................................... 25
4
RMI
The RMI is a combined radio tranceiver and
machine interface.
The RMI is designed to be mounted within
the machine's working envelope.
Power supply
The RMI can draw its supply from the CNC
machine 12 V to 30 V d.c. supply and presents a
RMI
peak load of up to 250 mA during turn on
(typically 100 mA from 24 V).
Alternatively, power may be supplied from
a Renishaw PSU3 power supply unit.
Input voltage ripple
The input voltage ripple shall not cause the
voltage to fall below 12 V, or rise above 30 V.
RMI
46 (1.81)
97 (3.82)
46 (1.81)
45 (1.77)
44 (1.73)
50 (1.97)
74 (2.91)
17.5 (0.69)
dimensions mm (in)
45°
4 holes M5 x 13
deep on 80 p.c.d.
To use a flush rear
exit a 25 (1.0) hole
is required for
connector
5
Operating envelope
Operating envelope
RMP60 probe + RMI
RMP60 and RMI must be within each others
operating envelope shown.
Range metres (feet)
OPERATING AND SWITCH ON/OFF
90°
75°
60°
45°
30°
15°
0°
15°
30°
45°
60°
75° 90° 75°
60°
45°
30°
15°
0°
15°
45°
60°
75°
75°
60°
45°
30°
30°
45°
60° 75°
10 (33)
15 (49)
5 (16)
5
(16)
10
(33)
15
(49)
10 10
(33) (33)
15 15
(49) (49)
15°
5
(1 6)
6
A visual indication of system status is provided by LED's.
Status is continuously updated and indication is provided for
START, LOW BATTERY, PROBE STATUS, ERROR, SIGNAL STRENGTH
KEEP THE
FRONT COVER
CLEAN
3
1
2
4
RMI visual diagnostics
RMI visual diagnostics
LED LIGHT SIGNALS
1. LOW BATTERY
Red Battery is low.
Green M code start/stop in
progress.
Yellow Battery low & M code
start/stop in progress.
Off Battery is O.K. (and no
M code start/stop in
progress).
2. PROBE STATUS
Red Probe triggered or unknown
status.
Green Probe is seated.
7
RMI visual diagnostics
3. ERROR
Red Error, other outputs may
be incorrect.
Off No Error.
4. SIGNAL
Green Full signal strength.
Yellow Medium signal strength.
Red Low signal strength, radio
link may fail.
Off No signal detected.
Green/off Flashing: RMI is acquisition
mode, and can acquire a
partner RMP.
Red/yellow Flashing: RMI has (just)
acquired a new partner RMP.
Notes.
1. The probe status LED will always be
illuminated when power is present.
There is no ‘power present’ LED.
2. All the indicators report the status of the
partner RMP. If there is no partner in range,
or the partner is off then the probe status
and error LEDs will be red and the other
LEDs will be off.
3. When the RMI is powered it will enter the
acquire partner mode which will be indicated
by the flashing green signal LED.
After a short time (~12 secs) it will switch to
its normal mode listening for its partner.
4. The conditions shown by the low battery,
probe status and error LEDs are the same
as those present on the electrical signal
outputs.
8
RMI outputs
There are four outputs:
Probe status 1 (SSR)
Probe status 2a (driven skip 5 V isolated)
Probe status 2b (driven at power supply
voltage)
Error (SSR)
Low battery (SSR)
All outputs can be individually inverted by using
switches SW1 and SW2 - see pages 16 and 17.
Switching time = Less than 10 µs (low to high)
Switching time = Less than 10 µs (high to low)
If overload occurs, remove source or problem,
turn off power supply and the unit will reset itself.
.
RMI outputs
SSR outputs:
DC ‘ON’ resistance 60 ohms max.
Up to 50 mA protected.
Switching time = Less than 10 µs (low to high)
Switching time = Less than 10 µs (high to low)
Power supply reversal will not damage the
SSR outputs, but may trip the electronic
over current circuits.
Driven outputs:
Sourcing - Up to 50 mA protected.
Sinking - Up to 50 mA unprotected, but
overload will still be indicated by
LEDs.
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