Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set User Manual
Page 210

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Section 4C
Connecting the 4-axis Servo Module
4C-12
Figure 4C.9
Pinout for the Servo Connectors on 8520-SM4 for Analog Systems
Pin
Signal
Description
Signal Destination
1
Shield
Chassis Ground
N/A
2
3
4
5
V
A
Command Voltage
Servo Amplifier
6
7
8
STATUS
Amplifier Status_HI
Servo Amplifier
9
CHZ_LO
Feedback device Channel Z
Servo Module or
Termination Panel
10
CHB_HI
Feedback device Channel B
11
CHA_HI
Feedback device Channel A
12
13
14
15
GND
Encoder Return
Feedback Device
16
GND
Encoder Return
17
+15V
+15V Encoder Power Supply
18
19
GND
Encoder Return
Feedback Device
20
+5V_ENC
+5V Encoder Power Supply
Feedback Device
21
22
23
24
+5V_ENC
+5V Encoder Power Supply
Feedback Device
25
26
27
28
GND
Encoder Return
Feedback Device
29
30
Shield
N/A
N/A
31
32
33
34
35
36
37
38
/STATUS
Amplifier Status Flag_LO
Servo Amplifier
39
CHZ_HI
Feedback device Channel Z
Servo Module
40
CHB_LO
Feedback device Channel B
41
CHA_LO
Feedback device Channel A
42
43
Return
Drive Return
Servo Module
44