Danfoss VLT AutomationDrive 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 KTY Sensor Connection ) in motor windings;
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:
Set par. 1-90 Motor Thermal Protection to Thermistor Trip [2]
Set par. 1-93
Thermistor Source to Digital Input [6]
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:
Set par. 1-90
Motor Thermal Protection to Thermistor Trip [2]
Set par. 1-93
Thermistor Source to Digital Input [6]
FC 300 Programming Guide 3 Parameter descriptions
MG.33.M8.02 - VLT
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Danfoss VLT AutomationDrive FC 300 Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 300
Category	DC Drives
Language	English