©NationalInstruments Corporation B-1 7344/7334Hardware User Manual
BCable Connector Descriptions
This appendix describes the connector pinout for the cables that connect
toyour 7344/7334 boards.
Figures B-1 and B-2s howthe pin assignments for the stepp er and servo
50-pinm otion connectors. These connectors are availablewhen you use
the SH68-C68-S shielded cable assembly and the 68M-50F step/servo
bulkheadcable adapter.
FigureB-1. 50-Pin Stepper Connector Pin Assignment
DigitalGround
Axis4 Inhibit
Trigger/Breakpoint4
Axis4 Home Switch
DigitalGround
DigitalGround
Axis4 Dir (CCW)
Axis3 Inhibit
Trigger/Breakpoint3
Axis3 Home Switch
DigitalGround
DigitalGround
Axis3 Dir (CCW)
Axis2 Inhibit
Trigger/Breakpoint2
Axis2 Home Switch
DigitalGround
DigitalGround
Axis2 Dir (CCW)
Axis1 Inhibit
Trigger/Breakpoint1
Axis1 Home Switch
DigitalGround
DigitalGround
Axis1 Dir (CCW)
Host+5 V
Axis4 Forward Limit Switch
Axis4 Encoder Index
Axis4 Encoder Phase A
Axis4 Step (CW)
Axis3 Reverse Limit Switch
Axis3 Forward Limit Switch
Axis4 Reverse Limit Switch
Axis4 Encoder Phase B
Axis3 Encoder Index
Axis3 Encoder Phase B
Axis3 Encoder Phase A
Axis3 Step (CW)
Axis2 Reverse Limit Switch
Axis2 Forward Limit Switch
Axis2 Encoder Index
Axis2 Encoder Phase B
Axis2 Encoder Phase A
Axis2 Step (CW)
Axis1 Reverse Limit Switch
Axis1 Forward Limit Switch
Axis1 Encoder Index
Axis1 Encoder Phase B
Axis1 Encoder Phase A
Axis1 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