Datasheet

14 Remote I/O
NX-OD5256
A1 B1
A8 B8
Two-wire type
Three-wire type
24 VDC
A1 B1
A8 B8
A1 B1
A8 B8
A1 B1
A8 B8
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOG
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
IOV
OUT0
OUT4
OUT8
OUT2
OUT6
OUT10
OUT1
OUT5
OUT9
OUT3
OUT7
OUT14
OUT12
OUT15
OUT13
OUT11
IOV
IOG
IOV
IOG
IOV
IOG
IOV
IOG
NX-OD5256
OUT0 to OUT15
Terminal block
I/O power supply +
I/O power supply 
I/O power supply +
I/O power supply 
Internal circuits
Short-circuit protection
NX bus
connector
(left)
NX bus
connector
(right)
Additional I/O
power supply unit
I/O power supply
connection unit
I/O power supply
connection unit
Transistor output
unit
NX-OD5256
Terminal wiring
Circuit layout
NX-OD3268
NX-OD3268
OUT 0 to OUT 3
IOG 0 to IOG 3
IOV 0 to IOV 3
COM (+V)
0V
Terminal block
Internal circuits
OUT0
IOG0
IOV2
IOV0
A1 B1
A8 B8
OUT2
IOG2
OUT1
IOG1
IOV3
IOV1
OUT3
IOG3
COM (+V) COM (+V)
0V 0V
Two-wire type
Three-wire type
24 VDC
NX bus
connector
(left)
NX bus
connector
(right)
I/O power
supply +
I/O power
supply –
I/O power
supply +
I/O power
supply –
Short-circuit
protection
Transistor output unit
NX-OD3268
• 0V has 2 terminals, so be sure to wire both terminals.
• COM (+V) has 2 terminals, so be sure to to wire both terminals.