Omron CJ - 08-2008 - CJ-Series CPU Rack

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Basic System Configuration Section 2-3
Note Although the CJ-series PLCs do not require Backplanes, the term “slot” is still
used to refer to the relative position of a Unit in the Racks. The slot number
immediately to the right of the CPU Unit is slot 1, and slot numbers increase
toward the right side of the Rack.
2-3-2 CJ-series CPU Rack
A CJ-series CPU Rack consists of a CPU Unit, a Power Supply Unit, various
I/O Units, and an End Cover. Up to 10 I/O Units can be connected.
CPU Rack
Power Supply Unit
CPU Unit
(I/O Control Unit)
I/O Units
(Basic I/O Units, Special
I/O Units, CPU Bus Units)
I/O Units
(Basic I/O Units,
Special I/O Units,
CPU Bus Units)
Expansion Rack
Power Supply Unit
(I/O Interface Unit)
End Cover
Memory Card
End Cover
POWER
PA205R
DC24V
AC240V
OUTPUT
RUN
INPUT
AC100-240V
L2/N
L1
CONTROLLER
CJ1G-CPU44
SYSMAC
PROGRAMMABLE
ERR/ALM
RUN
COMM
INH
PRPHL
OPEN
PERIPHERAL
BUSY
MCPWR
PORT
CPU UnitPower Supply Unit End Cover
(I/O Control Unit, See note.)
Memory Card
I/O Units (10 max.)
(Basic I/O Units, Special I/O Units, CPU Bus Units)