Omron NX Series User Manual page 84
Machine automation controller system units
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Also See for NX Series:
- User manual (464 pages) ,
- Hardware user manual (222 pages) ,
- Reference manual (116 pages)
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4 Installation and Wiring
Installation Locations for Protective Devices
Install protective devices for the Unit power supply and I/O power supply in the locations that are
shown in the figure below.
EtherCAT
Coupler Unit
Unit power
supply
terminals
I_unit1
Protective
device
I_io1
Unit power
supply
4 - 24
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Block that is supplied I/O power from
the EtherCAT Coupler Unit
Block that is supplied
Unit power from the
EtherCAT Coupler
Unit
NX Unit
NX Unit power
supply
Internal
power
supply
circuit
I/O power supply
Unit power supply
terminals
terminals
Protective
device
I_unit2
I/O power
Protective
supply
device
Block that is supplied
I/O power from an
Additional I/O Power
Supply Unit
Block that is supplied
Unit power from an
Additional NX Unit
Power Supply Unit
NX Unit power supply
Additional NX Unit
Additional I/O Power
Power Supply Unit
Supply Unit
Internal
power
supply
circuit
I/O power supply
I_io2
terminals
Protective
device
NX-series System Unit User's Manual (W523)
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Troubleshooting
