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Cable Connector Descriptions
© National Instruments Corporation
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.
Axis 1 Dir (CCW)
Digital Ground
Digital Ground
Axis 1 Home Switch
Trigger/Breakpoint 1
Axis 1 Inhibit
Axis 2 Dir (CCW)
Digital Ground
Digital Ground
Axis 2 Home Switch
Trigger/Breakpoint 2
Axis 2 Inhibit
Axis 3 Dir (CCW)
Digital Ground
Digital Ground
Axis 3 Home Switch
Trigger/Breakpoint 3
Axis 3 Inhibit
Axis 4 Dir (CCW)
Digital Ground
Digital Ground
Axis 4 Home Switch
Trigger/Breakpoint 4
Axis 4 Inhibit
Digital Ground
Figure B-1. 50-Pin Stepper Connector Pin Assignment
1
2
Axis 1 Step (CW)
3
4
Axis 1 Encoder Phase A
5
6
Axis 1 Encoder Phase B
7
8
Axis 1 Encoder Index
9
10
Axis 1 Forward Limit Switch
11 12
Axis 1 Reverse Limit Switch
13 14
Axis 2 Step (CW)
15 16
Axis 2 Encoder Phase A
17 18
Axis 2 Encoder Phase B
19 20
Axis 2 Encoder Index
21 22
Axis 2 Forward Limit Switch
23 24
Axis 2 Reverse Limit Switch
25 26
Axis 3 Step (CW)
27 28
Axis 3 Encoder Phase A
29 30
Axis 3 Encoder Phase B
31 32
Axis 3 Encoder Index
33 34
Axis 3 Forward Limit Switch
35 36
Axis 3 Reverse Limit Switch
37 38
Axis 4 Step (CW)
39 40
Axis 4 Encoder Phase A
41 42
Axis 4 Encoder Phase B
43 44
Axis 4 Encoder Index
45 46
Axis 4 Forward Limit Switch
47 48
Axis 4 Reverse Limit Switch
49 50
Host +5 V
B-1
B
NI 7340 User Manual
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