Maximum Number Of Expansion Racks - Omron CJ2 CPU UNIT User Manual

2-1-3 Expansion Racks
CJ-series Expansion Racks can be connected to the CPU Rack to expand the number of Units in the
System beyond the CPU Rack. Up to 10 I/O Units can be mounted to each Expansion Rack and a total
of 3 Expansion Racks can be connected.
Mount an I/O Control Unit immediately to the right of the CPU Unit, and mount the I/O Interface Unit
immediately to the right of the Power Supply Unit on the Expansion Rack. Mounting them in other loca-
tions may cause malfunctions.
CS/CJ-series I/O Connecting Cable
30 cm, 70 cm, 2 m, 3 m, 5 m, 10 m, 12 m
Total cable
length:
12 m
Expansion
CS/CJ-series I/O Connecting Cable
Racks:
30 cm, 70 cm, 2 m, 3 m, 5 m, 10 m, 12 m
3 maximum

Maximum Number of Expansion Racks

Expansion pattern
CJ-series CPU Rack plus
CJ-series Expansion Racks
CJ2 CPU Unit Hardware User's Manual
2 Basic System Configuration and Devices
10 Units max.
CPU Rack
Power
CPU
Supply
Unit
Unit
I/O Control Unit
CJ-series
Power
Expansion Rack
Supply
Unit
I/O Interface Unit
I/O Interface Unit
CJ-series
Expansion Rack
Power
Supply
Unit
10 Units max.
Maximum number of Racks
3 Racks
End Cover
CS/CJ-series I/O Connecting Cables
Cable
CS1W-CN313
CS1W-CN713
CS1W-CN223
CS1W-CN323
CS1W-CN523
CS1W-CN133
CS1W-CN133B2
Remarks
The total length of I/O Connecting Cable
between the CPU Rack and an Expansion Rack,
and between all Expansion Racks, must be no
more than 12 m.
2
Length
0.3 m
0.7 m
2 m
3 m
5 m
10 m
12 m
2-11