Appendix B Cable Connector Descriptions
© National Instruments Corporation B-3 NI 7350 User Manual
Figure B-2. 50-Pin Stepper Connector Pin Assignment (Axes 5–8)Digital Ground
Axis 8 Inhibit
Trigger/Breakpoint 8
Axis 8 Home Switch
Digital Ground
Digital Ground
Axis 8 Dir (CCW)
Axis 7 Inhibit
Trigger/Breakpoint 7
Axis 7 Home Switch
Digital Ground
Digital Ground
Axis 7 Dir (CCW)
Axis 6 Inhibit
Trigger/Breakpoint 6
Axis 6 Home Switch
Digital Ground
Digital Ground
Axis 6 Dir (CCW)
Axis 5 Inhibit
Trigger/Breakpoint 5
Axis 5 Home Switch
Digital Ground
Digital Ground
Axis 5 Dir (CCW)
Host +5 V
Axis 8 Forward Limit Switch
Axis 8 Encoder Index
Axis 8 Encoder Phase A
Axis 8 Step (CW)
Axis 7 Reverse Limit Switch
Axis 7 Forward Limit Switch
Axis 8 Reverse Limit Switch
Axis 8 Encoder Phase B
Axis 7 Encoder Index
Axis 7 Encoder Phase B
Axis 7 Encoder Phase A
Axis 7 Step (CW)
Axis 6 Reverse Limit Switch
Axis 6 Forward Limit Switch
Axis 6 Encoder Index
Axis 6 Encoder Phase B
Axis 6 Encoder Phase A
Axis 6 Step (CW)
Axis 5 Reverse Limit Switch
Axis 5 Forward Limit Switch
Axis 5 Encoder Index
Axis 5 Encoder Phase B
Axis 5 Encoder Phase A
Axis 5 Step (CW)
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
910
78
56
34
12