Filter
Top Products
Chapter 5 Signal Connections
7344/7334 Hardware User Manual 5-2 ni.com
Figure 5-1 shows the pin assignments for the 68-pin motion I/O connector
on the 7344/7334 controller. A signal description follows the connector
pinout. In this chapter, lines above signal names indicate 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 3*
Analog Output 1*
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)
Analog Input Ground
Analog Input 2
Reserved
Analog Output 2*
Shutdown
Breakpoint 4
Breakpoint 2
Analog Input 4
Analog Output 4*
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)
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
* Available only on the 7344 motion controllers