Battery Voltage Monitoring; How To Replace Battery; Start With Battery Replacement - AC&T System ETOS-XP Series User Manual

damaged or leakage current occurs due to the circuit abnormality such as leakage current,
the warning message may occur earlier.

2.3.4. Battery Voltage Monitoring

To know the battery voltage drop in advance, the internal system flags SysBatteryLow and
SysBatteryVolt are periodically monitored. Please connect to external alarm device and check
at all times (Please refer to "ETOS-RD User Guide" for detailed usage of variables of
SysBatteryLow and SysBatteryVolt).

2.3.5. How to Replace Battery

Batteries used for user memory backup in case of power failure require regular replacement.
When replacing the battery, it is possible to backup up to 2 hours with the internal super
cap (charged for 3 days or more), so be sure to complete the battery replacement within 2
hours.
The order of the battery exchange and the related photos are as follows.
Unscrew the upper part of battery to remove it.
Remove the battery mounting cover from the holder
Open the battery compartment of the mounting cover
Insert the new battery into the mounting cup in the
correct direction and reconnect the connector.
Insert the mounting cover into the holder and
Check whether the sysBatteyLow value of the
Battery condition and wiring status need to be

Start with battery replacement

and remove the connector.
and remove the battery.
assemble.
ETOS-RD system variable is "0".
Is sysBatteryLow value 0?
No
reconfirmed
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If the value of sysBatteyLow
is 0, it is Normal.
Yes
Completed