Omron CP1E Series - Page 26

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CP1E CPU Unit Hardware User’s Manual(W479)
• Clearing Specific Bits in the Held Areas at Startup
Use the following type of ladder programming.
• DM Area Backup
To initialize the DM Area, back up the initial contents for the DM Area to backup memory using
one of the following methods.
1. Set the number of words of the DM Area to be backed up starting with D0 in the Number of CH
of DM for backup Box in the Startup Data Read Area.
#0000
BSET
D100
D2047
#0000
BSET
H10
D49
C0
CNR
C255
P_First_Cycle
Example
First Cycle Flag
(A200.11)
C0 to C255 are cleared
to Zero
H10 to H49 are cleared
to Zero
D100 to D2047 are cleared
to Zero