Appendix B
Cable Connector Descriptions
B-2
ni.com
Figure B-2.
50-Pin Servo Connector Pin Assignment
Digital Ground
Axis 4 Inhibit
Trigger/Breakpoint 4
Axis 4 Home Switch
Digital Ground
Digital Ground
Analog Output Ground
Axis 3 Inhibit
Trigger/Breakpoint 3
Axis 3 Home Switch
Digital Ground
Digital Ground
Analog Output Ground
Axis 2 Inhibit
Trigger/Breakpoint 2
Axis 2 Home Switch
Digital Ground
Digital Ground
Analog Output Ground
Axis 1 Inhibit
Trigger/Breakpoint 1
Axis 1 Home Switch
Digital Ground
Digital Ground
Analog Output Ground
Host +5 V
Axis 4 Forward Limit Switch
Axis 4 Encoder Index
Axis 4 Encoder Phase A
Analog Output 4
Axis 3 Reverse Limit Switch
Axis 3 Forward Limit Switch
Axis 4 Reverse Limit Switch
Axis 4 Encoder Phase B
Axis 3 Encoder Index
Axis 3 Encoder Phase B
Axis 3 Encoder Phase A
Analog Output 3
Axis 2 Reverse Limit Switch
Axis 2 Forward Limit Switch
Axis 2 Encoder Index
Axis 2 Encoder Phase B
Axis 2 Encoder Phase A
Analog Output 2
Axis 1 Reverse Limit Switch
Axis 1 Forward Limit Switch
Axis 1 Encoder Index
Axis 1 Encoder Phase B
Axis 1 Encoder Phase A
Analog Output 1
49 50
47 48
45 46
43 44
41 42
39 40
37 38
35 36
33 34
31 32
29 30
27 28
25 26
23 24
21 22
19 20
17 18
15 16
13 14
11 12
9
10
7
8
5
6
3
4
1
2