10-41
10 CPU Unit Functions
CJ2 CPU Unit Software User’s Manual
10-5 Memory Management
Functions
10
10-5-2 EM File Memory Functions
Additional Information
A backup status will be displayed in a Memory Backup Status Window by the CX-Programmer
when backing up data from the CX-Programmer for transfer operations other than normal data
transfers (PLC - Transfer). To obtain this window, setting to display the backup status dialog box
must be checked in the PLC properties and the window must be selected from the View Menu.
For normal transfer operations, the backup status will be displayed in the transfer window after
the transfer status for the program and other data.
z Auxiliary Area Flags
It is possible to use the EM Area instead of the Memory Card to save files in the CPU Unit. The banks
after the specified starting bank are used as the file memory. For information on converting EM Area
banks into file memory, refer to 7-1-2 Initializing File Memory.
Name Address Meaning
Backup Memory Error Flag A315.15 Turns ON when the backup memory fails.
10-5-2 EM File Memory Functions
EM Area
Bank 0
Bank n
Bank C
EM Area
Bank 0
Bank n
Bank C
Memory Card
This part will be
converted to file memory.
1. Specify the starting bank in the EM Area settings
from the CX-Programmer.
2. When you transfer the program from the
CX-Programmer, you can use the EM file memory.
You can select to convert part of the EM Area to
either file memory or trace memory. If you convert
it to file memory, you can use the converted part of
the EM Area just like a Memory Card.
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