Connection table – BECKHOFF M3120 User Manual
Page 12
M3120 Incremental encoder 4x
Beckhoff II/O-Lightbus
Page 12 of 14
Version 1.1
Date 20.10.94
5. Connection table
Pin assignment
CONNECTOR X10
Connector
Pin
Signal
Description
X10
1
+U
Control voltage +24V
X10
2
-U
Ground
CONNECTOR X20
Connector
Pin
Signal
Description
X20
1
Kom
Input complementary signals
INC1
X20
2
+24V
+24V
INC1
X20
3
EE1
Evaluation 1 time, 2 times, 4 times
INC1
X20
4
+5V
+5V encoder supply
INC1
X20
5
C
Channel C
INC1
X20
6
B/
Channel B (inverted)
INC1
X20
7
GND
GND encoder supply
INC1
X20
8
A
Channel A
INC1
X20
9
CDI
Input „Counter disable“
INC1
X20
10
+15V
+15V Encoder supply
INC1
X20
11
EE0
Evaluation 1 time, 2 times, 4 times
INC1
X20
12
C/
Channel C (inverted)
INC1
X20
13
GND
GND
INC1
X20
14
B
Channel B
INC1
X20
15
A/
Channel A (inverted)
INC1