2-1-2
NX Unit Configuration
The following shows the configuration of NX Units.
CPU Rack
The CPU Rack consists of an NX-series NX502 CPU Unit, NX Units, and an End Cover.
Up to 63 NX Units can be connected.
NX-series NX502
CPU Unit
SD Memory Card
End CoverNX Units
(63 Units max.)
POWER
PORT2
Series Configuration Remarks
NX-series NX-series NX502 CPU Unit One required for every CPU Rack.
End Cover Must be connected to the right end of the CPU
Rack. One End Cover is provided with the
CPU Unit.
NX Units Digital I/O Unit Up to 63 Units can be mounted to each CPU
Rack.
Refer to A-5 Support Functions of the CPU
Units and Restrictions on the NX Units on
page A-8
for information such as restrictions
on the NX Units.
For information on the most recent lineup of
NX Units, refer to NX-series catalogs or OM-
RON websites, or ask your OMRON represen-
tative.
Analog I/O Unit
System Unit
Position Interface Unit
Communications Inter-
face Unit
Load Cell Input Unit
NJ/NX-series SD Memory Card Install as required.
2 System Configuration
2-4
NX-series NX502 CPU Unit Hardware User's Manual (W629)