Omron NX Series Hardware User Manual page 127

Block that the CPU Unit supplies Unit power supply.
NX-series
NX102 CPU Unit
Internal
Internal circuits
power
NX Unit power supply
supply
circuit
Unit power supply terminals
Protective
device
Unit power supply
(24 VDC)
*1. The minimum value is selected among the rated currents of the multiple I/O power supply units connected to
the protective device. If, for example, two rated currents of 10 A and 4 A are used, 4 A will be selected.
NX-series NX102 CPU Unit Hardware User's Manual (W593)
Block that an Additional I/O
Power Supply Unit 1
supplies I/O power supply.
Additional
I/O Power
Supply Unit
1
I/O power supply
External device
I/O power
supply
Unit power supply
terminals
terminals
Protective
device
I/O power supply
(24 VDC, etc.)
4 Designing the Power Supply System
Block that an Additional NX Unit Power Supply
Unit supplies Unit power supply.
Block that an Additional I/O
Power Supply Unit 2
supplies I/O power supply.
Additional Additional
NX Unit I/O Power
Power Supply Unit
Supply Unit 2
Power
supply
NX Unit power supply
I/O power supply
I/O power External device
supply
terminals
End
Cover
4
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