Siemens Simatic Industrial PC IPC427C - Manual (Page 53)

Functions
9.5 Battery monitoring
SIMATIC IPC427C
Operating Instructions, 04/2009, A5E02414743-01
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9.5 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.