A - 117
Appendices
NX-series Digital I/O Unit User’s Manual (W521)
A-3 Connecting Connector-Terminal Block
Conversion Units and I/O Relay Terminals
A
A-3-3 Connector-Terminal Block Conversion Unit Connection Diagrams
Note The COM terminals and +V terminals are internally
connected inside the Unit, but they must all be wired.
Note The COM terminals and +V terminals are internally
connected inside the Unit, but they must all be wired.
Digital I/O
Unit
NX-OD6121-5
Connec-
tor-Terminal
Block Con-
version Unit
XW2D-40G6
Connecting
Cable
XW2Z-
K
Connection
diagram
12 to
24
VDC
A20
A11
A12
A13
A14
A15
A16
A17
A18
A19
B20
B11
B12
B13
B14
B15
B16
B17
B18
B19
A10
A1
A2
A3
A4
A5
A6
A7
A8
A9
B10
B1
B2
B3
B4
B5
B6
B7
B8
B9
11
10
12
13
14
15
10
11
12
13
14
15
03
02
09
01
08
00
04
05
06
07
COM0
COM0
COM1
COM1
02
09
01
08
00
03
04
05
06
07
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Wd m
12 to
24
VDC
Wd (m+1)
+V1
+V1
+V0
+V0
Digital I/O
Unit
NX-OD6121-5
Connec-
tor-Terminal
Block Con-
version Unit
XW2R-J40G-T
Connecting
Cable
XW2Z-
K
Connection
diagram
A20
A11
A12
A13
A14
A15
A16
A17
A18
A19
A10
A1
A2
A3
A4
A5
A6
A7
A8
A9
B20
B11
B12
B13
B14
B15
B16
B17
B18
B19
B10
B1
B2
B3
B4
B5
B6
B7
B8
B9
11
10
12
13
14
15
+V0
09
08
11
10
12
13
14
15
09
08
+V1
COM0
COM1
03
02
01
00
04
05
06
07
03
02
01
00
04
05
06
07
+V0
+V1
COM0
COM1
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Wd m
Wd (m+1)
12 to
24
VDC
12 to
24
VDC
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