9 PLC Setup
9-3-2
CPU Unit Settings
Execute Process
Do not Detect Low Battery (Operating without a Battery)
Set whether to detect battery errors (default: Detect). Use the Do not detect setting to operate with-
out a battery. For details, refer to information in the CJ2 CPU Unit Hardware User's Manual (Cat. No.
W472).
Parameter
Settings
Do not
OFF:
detect Low
Detect
Battery
ON: Do not
detect
9-8
Default
OFF
This setting determines whether the CPU Unit bat-
tery errors are detected. If this setting is set to OFF
(detect) and a battery error is detected, the
ERR/ALM indicator on the CPU Unit will flash and
the Battery Error Flag (A402.04) will be turned ON,
but CPU Unit operation will continue.
Function
CJ2 CPU Unit Software User's Manual
Related flags
and words
A402.04
(Battery Error
Flag)