Extended device functions
5.1 Monitoring Functions
SIMATIC IPC427D
62 Operating Instructions, 05/2017, A5E31347215-AB
The installed buffer battery has a service life of at least 5 years. The status can be checked
with two-tier battery monitoring. The information can be read from an I/O register and
evaluated.
When the first warning level is reached, the remaining service life of the battery for buffering
CMOS data and buffer memory is at least 1 month.
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