104
Basic System Configuration Section 2-3
Maximum Expansion Racks
Rack Configurations
Configuration Device List
2-3-4 Connectable Units
Each Unit can be connected to the CPU Rack or an Expansion Rack, except
for Interrupt Input Units, which must be mounted on the CPU Rack. Refer to
2-
4 I/O Units
for details on the limitations on each Unit.
Expansion pattern Rack Maximum No. of Racks Remarks
CJ-series CPU Rack with
CJ-series Expansion Racks
CJ-series Expansion Racks 3 Racks (1 Rack for CJ1M
CPU Units)
The total cable length must
be 12 m or less.
Rack Configuration Remarks
CJ-series
Expansion Racks
CJ-series Power Supply Unit One of each Unit required for every Expansion Rack.
Refer to the following table for details on applicable models.
I/O Interface Unit (one End
Cover included.)
CJ-series Basic I/O Units A total of up to 10 Units can be connected. (An error will occur if 11 or
more Units are connected.)
CJ-series Special I/O Units
CJ-series CPU Bus Units
End Cover (CJ1W-TER01) Must be connected to the right end of the Expansion Rack. One End
Cover is provided with the I/O Interface Unit.
A fatal error will occur if the End Cover is not connected.
CS/CJ-series I/O Connecting
Cable
Required to connect the I/O Interface Unit to the I/O Control Unit or
previous I/O Interface Unit. Proper operation may not be possible if
the total length of I/O Connecting Cable between all Racks is more
than 12 m.
Name Model Specifications Cable
length
CJ-series
Power Supply
Unit
CJ1W-PA205R 100 to 240 V AC (with RUN output), Output capacity: 5 A at 5 V DC ---
CJ1W-PA205C 100 to 240 VAC (with replacement notification), Output capacity: 5 A at 5
VDC, 0.8 A at 24 VDC
CJ1W-PA202 100 to 240 V AC, Output capacity: 2.8A at 5 V DC
CJ1W-PD025 24 V DC, Output capacity: 5 A at 5 V DC
CJ1W-PD022 24 VDC (non-insulated type), Output capacity: 2.0 A at 5 VDC, 0.4 A at
24 VDC
I/O Interface
Unit
CJ1W-II101 One Interface Unit is required for each CJ-series Expansion Rack. One
End Cover is provided with each Unit. (Connect to an I/O Control Unit
mounted on a CJ-series CPU Rack or an Interface Unit mounted on an
Expansion Rack using an I/O connecting cable.)
End Cover CJ1W-TER01 Must be connected to the right end of the CPU Rack. One End Cover is
provided with the CPU Unit and with an I/O Interface Unit.
A fatal error will occur if the End Cover is not connected.
CS/CJ-series
I/O Connecting
Cables
CS1W-CN313 Connects Expansion Racks to CPU Racks or other Expansion Racks. 0.3 m
CS1W-CN713 0.7 m
CS1W-CN223 2 m
CS1W-CN323 3 m
CS1W-CN523 5 m
CS1W-CN133 10 m
CS1W-CN133B2 12 m
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