Omron CJ - 10-2005 Manual page 64

Clearing Memory Areas
Specifying Memory Areas Not to be Cleared
38
Letters will be displayed at the bottom of the display for the memory areas that
will be cleared. If an area is specified to not be cleared, the corresponding let-
ter will disappear.
000000 CLR MEM?
CHWA TCDE
Letter Areas to be cleared
C CIO (See note)
H HR (Holding bits)
W WR (Work bits)
A AR (Auxiliary bits)
T T (Completion Flags/PVs)
C C (Completion Flags/PVs)
D DM (Data memory)
E EM (Extended data mem-
ory)
P PLC Setup
Note The CIO Area is used for I/O word data: I/O bits, Data Link bits, CS/CJ CPU
Bus Unit bits, Inner Board bits, SYSMAC BUS bits, I/O Terminal bits, Special I/
O Unit bits, CompoBus/D (DeviceNet) bits, and work bits. (Inner Board bits,
SYSMAC BUS bits, and I/O Terminal bits are supported by CS-series PLCs
only.)
To clear the memory areas that are specified not to be cleared, repeat the
same key sequence. The appropriate letter will be displayed at the bottom of
the display.
The EM Area cannot be cleared if it has been converted to file memory. Refer
to Section 7 Memory Card Operations for information on formatting file mem-
ory and restoring the normal EM Area.
P
Letters at the bottom of the display indicate the
memory areas that will be cleared.
Key sequence
SHIFT
WR/LR
SHIFT
EM
SHIFT
DM
SHIFT
Section 3-4
CH
*DM
AR
HR
*EM
AR
HR
TIM
TK
CNT
EM
DM
Bank
number
CF
SRCH