Omron CJ - PROGRAMMING MANUAL 08-2008 Programming Manual page 287

Manipulating Files
1,2,3...
1,2,3...
The backup data for the Units and Boards will be created in a file and
stored in the Memory Card with the other backup data.
DeviceNet Unit or other
specific Unit/Board
Simple
backup data
Backup
When the Power Supply Switch is pressed, the MCPWR Indicator will flash
once, light during the write operation, and then go OFF if the write is com-
pleted normally.
■ Restoring Data
1. Turn ON pin 7 on the CPU Unit's DIP switch.
2. Turn ON the PLC. The backup files will be restored to the Units and
Boards.
The backup data for the Units and Boards will be restored from the Mem-
ory Card to the Units and Boards.
DeviceNet Unit or other
specific Unit/Board
PLC power
turned ON.
Simple
backup
data
Restore
When the power supply is turned ON, the MCPWR Indicator will flash
once, light during the read operation, and then go OFF if the read is com-
pleted normally.
■ Comparing Data
1. Turn OFF pin 7 on the CPU Unit's DIP switch.
2. Press and hold the Memory Card Power Supply Switch for three seconds.
The backup data on the Memory Card will be compared to the data in the
Units and Boards.
DeviceNet Unit or other
specific Unit/Board
Simple
backup
data
When the Power Supply Switch is pressed, the MCPWR Indicator will flash
once, light during the compare operation, and then go OFF if the compare
is completed normally and the data is the same.
Memory Card power
supply switch
CPU Unit
All data
Memory Card
CPU Unit
All data
Memory Card
Memory Card power
supply switch
CPU Unit
All data
Memory Card
Compare
Section 5-2
249