
+24 V
0 V
E
Machine power
supply
CNC
machine
control
PSU3
power
supply unit
Cable overall
screened and insulated,
each core 7 strands
Ø0,2 mm. insulated.
Three low voltage wires
each 16 strands
Ø0,2 mm insulated
Machine
star
ground
point
Alternative
Note:
1. The supply 0 V and all 0 V signal reference terminals are isolated from case.
2. Grounding of the case and 0 V should be made to comply with all relevant
safety standards. Care should be taken to avoid ground coupled interference.
3. Please consult your Renishaw supplier for wiring details of special OMM-C.
SCREEN(S)
GREEN/YELLOW
OMM
1
OMM
2
OMM cable
supplied by Renishaw
Ø5,1 mm x 25 metres long
(Ø0,20 in x 82 ft long)
The interface can support two OMMs from terminals 1 - 9.
The audio extension (terminal 20) supports a remote audible indicator or lamp (not available from Renishaw),
usually located near the machine operator.
YELLOW
GREY
WHITE
GREEN
BROWN
BROWN
GREEN
YELLOW
GREY
WHITE
Audible indicator
If machine power
supply is not used,
then maximum
voltage is +50 V.
Remote
audible indicator
or lamp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
SIGNAL 1
SIGNAL 1
START 1
0 V
10 V
0 V
SIGNAL 2
SIGNAL 2
START 2
+24 V
0 V SUPPLY
GND
PROBE STATUS
SSR
LOW BATT
SSR
ERROR
SSR
19
20
21
22
23
24
PROBE STATUS
SSR
MACHINE START
1 ms - 150 ms
AUDIO EXTENSION
SIGNAL STRENGTH
OMM 1
+24 V
0 V
WIRING DIAGRAM
1-11
+ve
-ve