Verifying Backup Operations With Indicators - Omron CJ2 CPU UNIT User Manual

8 Backup Operations
8-3-3

Verifying Backup Operations with Indicators

The status of the Memory Card Power (MCPWR) indicator shows whether a simple backup operation
has been completed normally or not.
MCPWR Indicator
OPEN
MCPWR
BUSY
PERIPHERAL
Normal completion*
Backup operation
Backing up data from
MCPWR
the CPU Unit to the
Memory Card
Remains lit while the
Memory Card Power
Switch is pressed.
MCPWR
MCPWR
MCPWR
8-10
1
MCPWR status
Lit MCPWR
Remains lit while
the Memory Card
Power Switch is
pressed.
Flashes once.
MCPWR
Lit while writing.
OFF after data is
written.
Error occurred
MCPWR status
The data was not backed up due to one of the following
Lit
errors, and no backup file was created.
• Insufficient Memory Card capacity
• Memory error in CPU Unit
• I/O bus error
• Data was not read from the Unit to be backed up.
Remains
flashing.
Error
CJ2 CPU Unit Hardware User's Manual