4-2
|
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Chapter 4
Accessory and Cable Connections
Caution
The 37-pin terminal block has separate Vsup and COM terminals for each
connector. Make sure you are using the correct Vsup and COM terminals for the
connector you are using. All signals associated with the DSUB connector in
Figures 4-2, 4-3, and 4-4 are marked with a dagger (†).
Figure 4-2.
NI 9512 37-Pin Terminal Block Pin Assignments
3
7
3
6
3
5
3
4
33
3
2
3
1
3
0
29
2
8
27
26
25
24
2
3
22
21
20
19
GND
1
8
17
16
15
14
1
3
12
11
10
9
8
7
6
5
4
3
2
1
Forw
a
rd Limit
Home
COM
Digit
a
l Inp
u
t 0
COM
Encoder 0 Index+
Encoder 0 Index–
COM
+5V OUT
Po
s
ition Comp
a
re
Re
s
erved
Re
s
erved
Digit
a
l O
u
tp
u
t 0
†
V
su
p
†
Digit
a
l Inp
u
t 1
†
Direction (CCW)+
†
COM
†
S
tep (CW)+
†
S
hield
Digit
a
l O
u
tp
u
t 1
†
Rever
s
e Limit
Re
s
erved
V
su
p
Re
s
erved
COM
Encoder 0 Ph
as
e A+
Encoder 0 Ph
as
e A–
Encoder 0 Ph
as
e B+
Po
s
ition C
a
pt
u
re
Encoder 0 Ph
as
e B–
Re
s
erved
Re
s
erved
COM
†
Drive En
ab
le
†
Digit
a
l Inp
u
t
3
†
Digit
a
l Inp
u
t 2
†
Direction (CCW)–
†
S
tep (CW)–
†
†
Indic
a
te
s
D
S
UB connector
s
ign
a
l
s
.
