Appendices
A - 70
NX-series Digital I/O Unit User’s Manual (W521)
Note The COM terminals and +V terminals are internally
connected inside the Unit, but they must all be wired.
Note The 0 V terminals and COM (+V) terminals are inter-
nally connected inside the Unit, but they must all be
wired.
Outputs
Digital I/O
Unit
NX-OD5121-5
Connec-
tor-Terminal
Block Con-
version Unit
XW2D-20G6
Connecting
Cable
XW2Z-
X
Connection
diagram
A10
A1
A2
A3
A4
A5
A6
A7
A8
A9
B10
B1
B2
B3
B4
B5
B6
B7
B8
B9
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
10
09
08
11
12
13
14
15
+V
02
01
00
03
04
05
06
07
+V
24
VDC
COM
COM
Digital I/O
Unit
NX-OD5256-5
Connec-
tor-Terminal
Block Con-
version Unit
XW2D-20G6
Connecting
Cable
XW2Z-
X
Connection
diagram
A10
A1
A2
A3
A4
A5
A6
A7
A8
A9
B10
B1
B2
B3
B4
B5
B6
B7
B8
B9
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
10
09
08
11
12
13
14
15
0V
COM (+V)
02
01
00
03
04
05
06
07
0V
COM (+V)
24
VDC