![background image](http://html1.mh-extra.com/html/omron/nx-ia3117/nx-ia3117_user-manual_743075078.webp)
4 Installation and Wiring
4 - 10
NX-series Digital I/O Unit User’s Manual (W521)
The following are wiring diagrams (examples) for each power supply.
Precautions for Correct Use
Always use separate power supplies for the Unit power supply and the I/O power supply. If
you supply power from the same power supply, noise may cause malfunctions.
Additional Information
Refer to the user's manual for the Communications Coupler Unit on design for power supply to
the Slave Terminal.
Unit
power supply
(24 VDC)
I/O power
supply
External
output
device
I/O
power
supply
External
output
device
To external
devices
End Cover
I/O power supply terminals
Unit power supply
terminals
Communications Coupler Unit
I/O power supply (Supply from external source)
NX Unit
Additional
NX Unit Power
Supply Unit
(Example) DC Input Unit
Two-wire
sensor
Three-wire
sensor
Additional I/O
Power Supply Unit
24 VDC Unit
power supply
24 VDC I/O
power supply
DC Input Unit
NX Unit
power supply
To external
devices
To external
devices
0
1
IOV
IOV
2
3
IOV
IOV
IOG
IOG
IOG
IOG
UV
UG
UV
UG
A1
A8
B1
B8
NC
NC
IOV
IOG
A1
A8
B1
B8
IOV
IOV
IOG
IOG
A1
B1
A8
B8
IOV
IOG
The I/O power supply is
separated.
The I/O power
supply is not
separated.
Additional NX Unit
Power Supply Unit
Additional
I/O Power
Supply
Unit
NX Unit
power supply
Internal power
supply circuit
Содержание NX-IA3117
Страница 34: ...Sections in this Manual 32 NX series Digital I O Unit User s Manual W521...
Страница 52: ...1 Features and System Configuration 1 18 NX series Digital I O Unit User s Manual W521...
Страница 56: ...2 Specifications 2 4 NX series Digital I O Unit User s Manual W521...
Страница 152: ...5 I O Refreshing 5 36 NX series Digital I O Unit User s Manual W521...
Страница 204: ...8 Digital Mixed I O Units 8 8 NX series Digital I O Unit User s Manual W521...
Страница 224: ...9 Troubleshooting 9 20 NX series Digital I O Unit User s Manual W521...
Страница 230: ...10 Inspection and Maintenance 10 6 NX series Digital I O Unit User s Manual W521...
Страница 290: ...Appendices A 60 NX series Digital I O Unit User s Manual W521 Installation Height 100 71 Unit mm...
Страница 337: ...I 1 I NX series Digital I O Unit User s Manual W521 Index...
Страница 340: ...I 4 NX series Digital I O Unit User s Manual W521 Index...