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Chapter 5 Signal Connections
NI 7340 User Manual 5-2 ni.com
Figure 5-1 shows the pin assignments for the 68-pin motion I/O connector
on the 7340. Table 5-1 includes descriptions for each of the signals. A line
above a signal name indicates that the signal is active-low.
Figure 5-1. 68-Pin Motion I/O Connector Pin Assignment
Analog Reference (Output)
Analog Input 3
Analog Input 1
Analog Output Ground
Analog Output
Analog Output
Digital Ground
Breakpoint 3
Breakpoint 1
Digital Ground
Axis 4 Inhibit
Trigger 4
Axis 4 Home Switch
Digital Ground
Digital Ground
Axis 4 Dir (CCW)
Axis 3 Inhibit
Trigger 3
Axis 3 Home Switch
Digital Ground
Digital Ground
Axis 3 Dir (CCW)
Axis 2 Inhibit
Trigger 2
Axis 2 Home Switch
Digital Ground
Digital Ground
Axis 2 Dir (CCW)
Axis 1 Inhibit
Trigger 1
Axis 1 Home Switch
Digital Ground
Digital Ground
Axis 1 Dir (CCW)
135
236
337
438
539
640
741
842
943
10 44
11 45
12 46
13 47
14 48
15 49
16 50
17 51
18 52
19 53
20 54
21 55
22 56
23 57
24 58
25 59
26 60
27 61
28 62
29 63
30 64
31 65
32 66
33 67
34 68
Analog Input Ground
Analog Input 2
Reserved
Analog Output
Shutdown
Breakpoint 4
Breakpoint 2
Analog Input 4
Analog Output
Host +5 V
Axis 4 Reverse Limit Switch
Axis 4 Forward Limit Switch
Axis 4 Encoder Index
Axis 4 Encoder Phase B
Axis 4 Encoder Phase A
Axis 4 Step (CW)
Axis 3 Reverse Limit Switch
Axis 3 Forward Limit Switch
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)