BECKHOFF M3120 User Manual
Page 13
M3120 Incremental encoder 4x
Beckhoff II/O-Lightbus
Date 20.10.94
Version 1.1
Page 13 of 14
CONNECTOR X30
Connector
Pin
Signal
Description
X30
1
Kom
Input complementary signals
INC2
X30
2
+24V
+24V
INC2
X30
3
EE1
Evaluation 1 time, 2 times, 4 times
INC2
X30
4
+5V
+5V encoder supply
INC2
X30
5
C
Channel C
INC2
X30
6
B/
Channel B (inverted)
INC2
X30
7
GND
GND encoder supply
INC2
X30
8
A
Channel A
INC2
X30
9
CDI
Input „Counter disable“
INC2
X30
10
+15V
+15V Encoder supply
INC2
X30
11
EE0
Evaluation 1 time, 2 times, 4 times
INC2
X30
12
C/
Channel C (inverted)
INC2
X30
13
GND
GND
INC2
X30
14
B
Channel B
INC2
X30
15
A/
Channel A (inverted)
INC2
CONNECTOR X40
Connector
Pin
Signal
Description
X40
1
Kom
Input complementary signals
INC3
X40
2
+24V
+24V
INC3
X40
3
EE1
Evaluation 1 time, 2 times, 4 times
INC3
X40
4
+5V
+5V encoder supply
INC3
X40
5
C
Channel C
INC3
X40
6
B/
Channel B (inverted)
INC3
X40
7
GND
GND encoder supply
INC3
X40
8
A
Channel A
INC3
X40
9
CDI
Input „Counter disable“
INC3
X40
10
+15V
+15V Encoder supply
INC3
X40
11
EE0
Evaluation 1 time, 2 times, 4 times
INC3
X40
12
C/
Channel C (inverted)
INC3
X40
13
GND
GND
INC3
X40
14
B
Channel B
INC3
X40
15
A/
Channel A (inverted)
INC3