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Functions
9.8 Battery monitoring
9.8
Battery monitoring
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 buffered SRAM is at least 1 month.
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SIMATIC Box PC 627B
Operating Instructions, 06/2008, A5E00927393-02
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