Extended device functions
5.2 Temperature monitoring and temperature display
SIMATIC IPC547D
54 Operating Instructions, 06/2011, A5E03473780-01
5.2 Temperature monitoring and temperature display
The temperature is detected at critical device locations by temperature sensors. A
temperature sensor monitors the processor temperature. Other temperature sensors monitor
further critical points.
If the device is being operated close to its limits, the "TEMP" LED flashes.
If a temperature value exceeds the configured temperature threshold, the following error
reactions are triggered:
Reaction
The "TEMP" LED lights up red
Device fan to maximum speed (power supply fans are regulated by the power supply itself)
The SIMATIC monitoring software is activated, if installed
Note
When the device is operated according to instructions, no temperature error occurs.
In the event of a temperature error, check the following possible causes:
● Ventilation openings are covered
● Filter is heavily polluted
● Fan has failed
● The ambient temperature is above the permitted value
● Output power of the power supply is exceeded
The temperature error remains stored until the temperatures drop below the temperature
thresholds once again. You can reset the temperature error with one of the following
measures:
● Acknowledgment of the error message by the monitoring software
● Short-term disconnection of the device from the power supply
5.3 Fan monitoring
The operation of the front, CPU and power supply fans is monitored.
If a fan fails, the following reactions are triggered:
Reaction
The "FAN" LED lights up red
The SIMATIC monitoring software is activated, if installed.
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