Omron CJ2 CPU UNIT User Manual page 73

2-1-2 CPU Rack
The CPU Rack consists of a CJ2 CPU Unit, a CJ-series Power Supply Unit, CJ-series Configuration
Units, and a CJ-series End Cover. Up to 10 Configuration Units can be connected.
CJ2H CPU Units
Power Supply Unit
PA205R
POWER
L1
AC100-240V
INPUT
L2/N
RUN
OUTPUT
AC240V
DC24V
*1 The I/O Control Unit is required only to connect an Expansion Rack. It must be connected next to the CPU
Unit.
CJ2M CPU Units
Power Supply Unit
PA205R
POWER
L1
AC100-240V
INPUT
L2/N
RUN
OUTPUT
AC240V
DC24V
Memory Card
Even though the CJ-series PLCs do not have Backplanes, the term "slot" is still used to refer to the
location of Units. Slot numbers are assigned in order to Units from left to right on the CPU Rack (slot 0,
slot 1, slot 2, etc.).
CJ2 CPU Unit Hardware User's Manual
I/O Control Unit
CPU Unit
MS
SYSMAC RUN
NS
CJ2H ERR/ALM
INH COMM
CPU64-EIP
100M
PRPHL
PROGRAMMABLE
10M
COMM
CONTROLLER
BKUP
OPEN
MCPWR
BUSY
PERIPHERAL
PORT
Memory Card
Pulse I/O
*1
Modules CPU Unit
RS-232C RS-422A/485
*2
Serial Option Board
2 Basic System Configuration and Devices
*1
Configuration Units (10 max.)
(Basic I/O Units, Special I/O Units, CPU Bus Units)
*3
I/O Control Unit
Configuration Units (10 max.)
*1 Up to two Pulse I/O Modules can be
connected to the left of the CPU Unit.
*2 CJ2M-CPU3@ only.
*3 The I/O Control Unit is required only
to connect an Expansion Rack. It
must be connected immediately to
the right of the CPU Unit.
End Cover
End Cover
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