Omron CJ2 User Manual page 57

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.
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.
Although the CJ-series PLCs do not require Backplanes, the term "slot" is still used to refer to the rela-
tive position of a Unit in the Rack. Slot numbers increase toward the right side of the Rack.
Name
CJ-series CPU Rack
CJ2 CPU Unit Hardware User's Manual
I/O Control Unit
CPU Unit
MS
SYSMAC
RUN NS
ERR/ALM
CJ2H
COMM
INH
CPU64-EIP
100M
PRPHL
PROGRAMMABLE
COMM 10M
CONTROLLER
BKUP
OPEN
MCPWR
BUSY
PERIPHERAL
PORT
Memory Card
CJ2 CPU Unit
(One End Cover is included.)
CJ-series Power Supply Unit
Memory Card
I/O Control Unit
End Cover
CJ-series Basic I/O Units
CJ-series Special I/O Units
CJ-series CPU Bus Units
2 Basic System Configuration and Devices
*1
Configuration Units (10 max.)
(Basic I/O Units, Special I/O Units, CPU Bus Units)
Configuration
One required for every CPU Rack.
Install as required.
Required to connect an Expansion
Rack. Must be connected immedi-
ately to the right of the CPU Unit.
Must be connected to the right end
of the CPU Rack. One End Cover is
provided with the CPU Unit.
A fatal error will occur if the End
Cover is not connected.
A total of up to 10 Units can be con-
nected to the CPU Rack and to
each of the Expansion Racks. (An
error will occur if 11 or more Units
are connected.)
End Cover
Remarks
2-3
2