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© National Instruments Corporation B-1 NI 7340 User Manual
B
Cable Connector Descriptions
This appendix describes the connector pinout for the cables that connect
to the PXI/PCI-7340.
Figures B-1 and B-2 show the pin assignments for the stepper and servo
50-pin motion connectors. These connectors are available when you use
the SH68-C68-S shielded cable assembly and the 68M-50F step/servo
bulkhead cable adapter.
Figure B-1. 50-Pin Stepper Connector Pin Assignment
Digital Ground
Axis 4 Inhibit
Trigger/Breakpoint 4
Axis 4 Home Switch
Digital Ground
Digital Ground
Axis 4 Dir (CCW)
Axis 3 Inhibit
Trigger/Breakpoint 3
Axis 3 Home Switch
Digital Ground
Digital Ground
Axis 3 Dir (CCW)
Axis 2 Inhibit
Trigger/Breakpoint 2
Axis 2 Home Switch
Digital Ground
Digital Ground
Axis 2 Dir (CCW)
Axis 1 Inhibit
Trigger/Breakpoint 1
Axis 1 Home Switch
Digital Ground
Digital Ground
Axis 1 Dir (CCW)
Host +5 V
Axis 4 Forward Limit Switch
Axis 4 Encoder Index
Axis 4 Encoder Phase A
Axis 4 Step (CW)
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
Axis 3 Step (CW)
Axis 2 Reverse Limit Switch
Axis 2 Forward Limit Switch
Axis 2 Encoder Index
Axis 2 Encoder Phase B
Axis 2 Encoder Phase A
Axis 2 Step (CW)
Axis 1 Reverse Limit Switch
Axis 1 Forward Limit Switch
Axis 1 Encoder Index
Axis 1 Encoder Phase B
Axis 1 Encoder Phase A
Axis 1 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