Thermal Motor Protection - Danfoss VLT AutomationDrive FC 300 Design Manual

FC 300 Design Guide
How to Install

Thermal Motor Protection

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Connection of thermal motor protection device (PTC or 'Klixon' NC switch):
Using a digital input and 24 V as power supply:
Example: Frequency converter trips when
motor temperature too high
Parameter set-up:
Par. 1-90 Thermistor Trip [2]
Par. 1-93 Digital Input [6]
Using a digital input and 10 V as power supply:
Example: Frequency converter trips when
motor temperature too high
Parameter set-up:
Par. 1-90 Thermistor Trip [2]
Par. 1-93 Digital Input [6]
Using an analog input and 10 V as power supply:
Example: Frequency converter trips when
motor temperature too high
Parameter set-up:
Par. 1-90 Thermistor Trip [2]
Par. 1-93 Analog Input 54 [2]
(No reference source must be selected)
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MG.33.B4.02 - VLT is a registered Danfoss trademark