Chapter 4
Accessory and Cable Connections
NI 951x User Manual
4-6
ni.com
Figure 4-4.
NI 9512 37-Pin Terminal Block Pin Assignments
Figure 4-5.
NI 9514 37-Pin Terminal Block Pin Assignments
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
GND
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Forward Limit
Home
COM
Digital Input 0
COM
Encoder 0 Index+
Encoder 0 Index–
COM
+5V OUT
Position Compare
Reserved
Reserved
Digital Output 0
†
V
sup
†
Digital Input 1
†
Direction (CCW)+
†
COM
†
Step (CW)+
†
Shield
Digital Output 1
†
Reverse Limit
Reserved
V
sup
Reserved
COM
Encoder 0 Phase A+
Encoder 0 Phase A–
Encoder 0 Phase B+
Position Capture
Encoder 0 Phase B–
Reserved
Reserved
COM
†
Drive Enable
†
Digital Input 3
†
Digital Input 2
†
Direction (CCW)–
†
Step (CW)–
†
†
Indicates DSUB connector signals.
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
GND
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Forward Limit
Home
COM
Digital Input 0
COM
Encoder 0 Index+
Encoder 0 Index–
COM
+5V OUT
Position Compare
Reserved
Drive Command
†
Reserved
V
sup
†
Digital Input 1
†
Reserved
COM
†
Reserved
Shield
Reserved
Reverse Limit
Reserved
V
sup
Reserved
COM
Encoder 0 Phase A+
Encoder 0 Phase A–
Encoder 0 Phase B+
Position Capture
Encoder 0 Phase B–
Reserved
Drive Command COM
†
COM
†
Drive Enable
†
Reserved
Reserved
Reserved
Reserved
†
Indicates DSUB connector signals.