Chapter 5
Signal Connections
©
National Instruments Corporation
5-3
NI PCI-7342 Hardware User Manual
Figure 5-2.
68-Pin Motion I/O Connector Pin Assignment
Caution
Do
not
connect NC (not connected) signals. Connecting these signals could cause
permanent damage to your motion controller.
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Axis 1 Dir (CCW)
Digital Ground
Digital Ground
Axis 1 Home Switch
Trigger 1
Axis 1 Inhibit
Axis 2 Dir (CCW)
Digital Ground
Digital Ground
Axis 2 Home Switch
Trigger 2
Axis 2 Inhibit
NC
Digital Ground
Digital Ground
NC
NC
NC
NC
NC
Digital Ground
Digital Ground
NC
NC
Digital Ground
Breakpoint 1
NC
Digital Ground
Analog Output 1
NC
Analog Output Ground
Analog Input 1
NC
Analog Reference (Output)
Axis 1 Step (CW)
Axis 1 Encoder Phase A
Axis 1 Encoder Phase B
Axis 1 Encoder Index
Axis 1 Forward Limit Switch
Axis 1 Reverse Limit Switch
Axis 2 Step (CW)
Axis 2 Encoder Phase A
Axis 2 Encoder Phase B
Axis 2 Encoder Index
Axis 2 Forward Limit Switch
Axis 2 Reverse Limit Switch
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Host +5 V
Breakpoint 2
NC
Shutdown
Analog Output 2
NC
NC
Analog Input 2
NC
Analog Input Ground
