Backing Up Memory; Cpu Unit Memory Configuration - Omron CP1E CPU UNIT SOFTWARE User Manual

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Backing Up Memory

This section describes backing up the CP1E CPU Unit memory areas.
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CPU Unit Memory Configuration

Data backup to the CP1E CPU Unit's built-in RAM memory describes as below.
Ladder programs and PLC Setup
Automatically backed up to the built-in EEPROM whenever changed.
DM Area in the I/O memory
Data in specified words of the DM Area can be backed up to the built-in EEPROM by using bits in
the Auxiliary Area. Other words are not backed up.
Other areas in the I/O memory (including Holding Area data, Counter PVs,
and Counter Completion Flags)
Not backed up to the built-in EEPROM.
Built-in EEPROM
backup memory
Ladder programs
Parameter Area
PLC Setup
Part of DM Area
CP1E CPU Unit Software User's Manual(W480)
CP1E CPU Unit
Changing program
PLC power turned ON
PLC Setup changed
PLC power turned ON
Operation using control
bits in Auxiliary Area
PLC power turned ON
3 CPU Unit Operation
Built-in RAM
Ladder programs
Parameter Area
PLC Setup
I/O Memory Areas
· I/O Area
· Work Area
· Holding Area
· Auxiliary Area
· Timer/Counter
Areas
· DM Area
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