Omron NX Series - Page 2

NX-CSG/SL5/SI/SO
2
NX Unit Configuration
The following shows the NX Unit Configuration, where NX Units are mounted to a CPU Rack. The CPU Rack is configured with a Communication
Control Unit, a Safety CPU Unit, Safety I/O Units, other NX Units, and an End Cover mounted to it.
The number of NX Unit connections is up to 32 units.
Configuration Remarks
Communication Control Unit
NX-CSG
One required for every CPU Rack.
End Cover
Must be connected to the right side of the CPU Rack. One end cover is provided with the
Communication Control Unit as a standard accessory.
NX Unit
Safety CPU Unit
NX-SL5
Up to 32 units can be mounted onto the CPU Rack. One Safety
CPU Unit is required for each CPU Rack.
Refer to NX-series Safety Control Unit/Communication Control Unit User's Manual (Cat.
No. P129-101) for the NX Units that you can connect.
Safety Input Unit
Safety Output Unit
Other NX Units
SD Memory Card Install as required.
Communication
Control Unit
NX-CSG
SD Memory
Card
Safety CPU Unit
NX-SL5
End CoverNX Units
(up to 32 units)