Siemens SIMATIC IPC627C Instructions d'exploitation Page 61

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Functions
9.4 Fan monitoring
SIMATIC IPC627C
Operating Instructions, 11/2010, A5E02669068-02
61
WD monitoring times (TWD)
The monitoring times can be set in increments of one second within a range from 3 to 255
seconds.
Note
The watchdog is retriggered if the monitoring time is changed at the active watchdog (that is
while the watchdog is running)!
9.4 Fan monitoring
The function monitors operation of the enclosure and power supply fans. When a fan fails,
the following reactions are triggered:
Response Option
The DiagBase or DiagMonitor software reports a
fan alarm.
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 monitoring software
Restart of the device
9.5 Status display
The status display consists of two 7-segment displays and two three-color LEDs.
LED H1
2 x 7-segment display
LED H2
Function of the 7-segment displays
The POST codes of the respective test step are displayed during the startup of the BIOS.
The POST code of the most recently started test step is displayed should an error occur.
Code 00 is displayed when the startup is completed without error.
Application codes can also be displayed if required.
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