Mitsubishi MELSEC-A Series Operating Manual page 151

6. HOW TO USE EACH FUNCTION
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MELSEC-A
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6.9.9
Clearing thedevlce memory
of an
ACPU (Devke memory all
clear)
This operation clears the bit devices in the ACPU, and the word device
contents (special relay (M), special register (D), and.file register
(F)).
[Basic operatlon]
SHIFT O T - 1 GO
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[Sample operatlon]
When device memory all clear is executed
Select the OTHERS mode.
2 PLC CEECK
3 PLC SYSTEM
2
ALL
CLEAR
3 PC
l o . YAIN/SUB
Select "3:PLC SYSTEM".
r l
0 1 1 PLC
MEM.
CLEAR
Select "2:ALL CLEAR".
2 PRWRAY CLEAR
3 DEV.
MEM.
CLEAR
0
DBV. MEMORY
CLEAR
Select "3:DEV. MEM. CLEAR'.
0 DEV.
YBYORY
CLEAR
"3:DEV. MEM. CLEAR' is executed.
.*"
go out one by one by using clear
processing.
The displayed number decreases by
1 K byte by using clear processing.
0 DEV. MEMORY CLEAR
COMPLETED
All clear of the contents
of
a bit de-
vice and a word device has now been
completed.
[Explanatlon]
(1) Keep the ACPU in the STOP state.
. .
If
it .is not in the STOP state, put the ACPU in the STOP state before
starting the operation.
(2) Pressing the [END] or [CLEAR] keys returns to the "2:ALL CLEAR" menu.
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