NPN Type (NX-ID5342)
Two-wire sensor
(e.g. limit switch)
Digital Input Unit
(NPN type)
NX-ID5342
Additional I/O
Power Supply Unit
NX-PF0730
24 VDC
I/O power
supply
Three-wire sensor with
NPN output
(photoelectric sensor or
proximity sensor)
Black (White)
Brown (Red)
Blue (Black)
Brown (White)
Blue (Black)
A1 B1
A8 B8
0
8
2
10
4
12
6
14
1
9
3
11
5
13
7
15
IOG IOG
IOV IOV
IOG IOG
IOV IOV
A1
A8
B1
B8
PNP Type (NX-ID5442)
Two-wire sensor
(e.g. limit switch)
Digital Input Unit
(PNP type)
NX-ID5442
Additional I/O
Power Supply Unit
NX-PF0730
24 VDC
I/O power
supply
Three-wire sensor with
PNP output
(photoelectric sensor or
proximity sensor)
Black (White)
Brown (Red)
Blue (Black)
Brown (White)
Blue (Black)
A1 B1
A8 B8
0
8
2
10
4
12
6
14
1
9
3
11
5
13
7
15
IOG IOG
IOV IOV
IOG IOG
IOV IOV
A1
A8
B1
B8
Additional Information
Wire colors have been changed according to revisions in the JIS standards for photoelectric
and proximity sensors. The colors in parentheses are the wire colors prior to the revisions.
Power Supply Used and Required Power Supply Capacity
Power Supply Used
5 to 24 VDC power is supplied to A1 and A3 terminals of the I/O power supply terminals.
4 Installation and Wiring
4-33
NX-series System Units User's Manual (W523)
4-6 Wiring the Additional Power Supply Units
4
4-6-2 Wiring the Additional I/O Power Supply Unit