Danfoss VLT AutomationDrive FC 300 Programming Manual page 62

FC 300 Programming Guide
3.3.10 PTC Thermistor Connection
Motor protection can be implemented using a range of techniques: PTC or KTY sensor (see also section
mechanical thermal switch (Klixon type); or Electronic Thermal Relay (ETR).
Using a digital input and 24 V as power supply:
Example: The frequency converter trips when the motor temperature is too high
Parameter set-up:
Motor Thermal Protection
Set par. 1-90
Thermistor Source
Set par. 1-93 to
Using a digital input and 10 V as power supply:
Example: The frequency converter trips when the motor temperature is too high.
Parameter set-up:
Motor Thermal Protection
Set par. 1-90
Set par. 1-93 Thermistor Source to
Thermistor Trip
to [2]
Digital Input
[6]
Thermistor Trip
to [2]
Digital Input [6]
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MG.33.M8.02 - VLT is a registered Danfoss trademark
3 Parameter descriptions
KTY Sensor Connection ) in motor windings;
3
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