Read/Write Area (Set By User) - Omron CP1L-EL20DR-D Operation Manual

Auxiliary Area Allocations by Address

Read/Write Area (Set by User)

Addresses Name
Word Bits
A500 11 Ethernet
Communi-
cation Error
Clear Flag
12 IOM Hold Bit Turn this bit ON to preserve the sta-
13 Forced Sta-
tus Hold Bit
14 Error Log
Reset Bit
15 Output OFF
Bit
722
Function
Turn this bit ON to clear Ethernet
communication error (Ethernet com-
munication error flag turns OFF).
tus of the I/O Memory when shifting
from PROGRAM to RUN or MONI-
TOR mode or vice versa. The I/O
Memory includes the CIO Area,
Transition Flags, Timer Flags and
PVs, Index Registers, and Data Reg-
isters.
(If the status of the IOM Hold Bit itself
is preserved in the PLC Setup (IOM
Hold Bit Status), the status of the I/O
Memory Area will be retained when
the PLC is turned ON or power is
interrupted.)
Turn this bit ON to preserve the sta-
tus of bits that have been force-set or
force-reset when shifting from PRO-
GRAM to MONITOR mode or vice
versa. Bits that have been force-set
or force-reset will always return to
their default status when shifting to
RUN mode.
(If the status of the Forced Status
Hold Bit itself is preserved in the PLC
Setup (Forced Status Hold Bit Sta-
tus), the status of force-set and
force-reset bits will be retained when
the PLC is turned ON or power is
interrupted.)
Turn this bit ON to reset the Error
Log Pointer (A300) to 00.
The contents of the Error Log Area
itself (A100 to A199) are not cleared.
(This bit is automatically reset to 0
after the Error Log Pointer is reset.)
Turn this bit ON to turn OFF all out-
puts from the CPU Unit, and Special
I/O Units. The INH indicator on the
front of the CPU Unit will light while
this bit is ON.
(The status of the Output OFF Bit is
retained through power interrup-
tions.)
Settings Status Status at
after
mode
change
OFF to ON: Retained Cleared
Clear
ON: Retained Retained See
Function
OFF: Not
column.
retained
ON: Retained Retained See
Function
OFF: Not
column.
retained
OFF to ON: Retained Cleared
Clear
--- Retained Retained ---
Appendix D
Write Related
startup timing Flags,
Settings
--- A40 to
A44
A46.15
See PLC
Function Setup
column.
(IOM Hold
Bit Status
setting)
See PLC
Function Setup
column.
(Forced
Status
Hold Bit
Status
setting)
--- A100 to
A199,
A300
---