Extended device functions
5.1 Monitoring functions
SIMATIC IPC847D
Operating Instructions, 01/2014, A5E32997454-AA
63
Set the monitoring times in SIMATIC Diagnostics Management as integer values in the
range from 4 to 255 seconds.
Note
The watchdog will be retriggered if you change the watchdog time after the WD has been
activated.
The operation of the front, CPU and power supply fans is monitored.
If a fan fails, the following reactions are triggered:
● The "FAN" status display lights up red.
● If the SIMATIC monitoring software is installed, a fan alarm is output.
The fan error remains stored until the cause has been rectified. You can reset the error
message with one of the following measures:
● Acknowledge error message with SIMATIC IPC DiagBase or SIMATIC IPC DiagMonitor
● Short-term disconnection of the device from the power supply
● Shut down device
● Restart the device
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.
Default: SMART messages of the hard drives are signaled.
RAID system: The states "Normal", "Degraded", "Rebuild" are displayed. The status of an
inactive hot swap drive is not displayed.
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