Functions
9.4 Fan monitoring
SIMATIC IPC647C
62 Operating Instructions, 12/2010, A5E02669337-02
9.4 Fan monitoring
Operation of the front / processor / power unit fans is monitored. The following reactions are
triggered when a fan fails:
Reaction Option
The fan LED switches to red None
SIMATIC monitoring software is activated Startup of user-defined programs
can be set
The fan fault is retained in memory until the cause of the fan failure has been rectified and
the error is reset by taking one of the following measures:
● Acknowledgment of the error message by the SIMATIC monitoring software, for example
DiagBase or DiagMonitor.
● Restart of the device.
9.5 RAID monitoring
In conjunction with the SIMATIC monitoring software and in addition to the RAID software,
the status of the RAID system is shown on the HDD1 alarm and HDD2 alarm front LEDs.
You can more detailed information on the RAID system and on the operation of the RAID
software in the section
3RAID system (Page 247).
Reaction Description Option
Off RAID system is ready for operation. SIMATIC
software is not active.
One is red Drive 1 or Drive 2 has failed.
Both are red RAID system is not ready for operation.
Affected drive must be determined with the
help of the RAID software.
HDD1 alarm
HDD2 alarm
Both flash RAID system is currently being synchronized.
None
9.6 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 amounts to at least 1 month.
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