Simple Backup; Overview - Omron CJ2 User Manual

8-3

Simple Backup

8-3-1

Overview

The simple backup operation can be used to back up all PLC data to a Memory Card, or to restore or
compare the data, by using a simple DIP switch setting and the Memory Card Power Switch. No Sup-
port Software is required.
Backing Up Data
1.
Turn ON pin 7 on
the DIP switch.
2.
Press the Memory Card
Power Switch.
Memory Card
Power Switch
Backup operation
Backing up data to
the Memory Card
Restoring data from
the Memory Card
Comparing data to
the Memory Card
CJ2 CPU Unit Hardware User's Manual
Power Supply Unit
Memory Card
DIP switch on front
of CPU Unit
Pin 7
ON Press the Memory Card Power
Switch for three seconds.
Turn the PLC OFF and ON
again.
(Data restoration is given priority
over the automatic transfer at
startup.)
OFF Press the Memory Card Power
Switch for three seconds.
8 Backup Operations
CPU Unit
All PLC data, including the following data.
Data in the CPU Unit:
User programs
Parameters
I/O memory
Symbol tables
Comment files
Program index file
Data in mounted Special I/O Units and
CPU Bus Units
Backup
Procedure
The data can be backed up
regardless of the CPU Unit
operating mode.
After the data has been
restored, the operating mode
will remain in PROGRAM mode
until the PLC power is turned
OFF.
The data can be compared
regardless of the CPU Unit
operating mode.
8
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