5-3. Motor Temperature Detection (PTC)
Frequency inverter has a motor temperature sensor input (PTC input : PTC resistor).
When the resistance value is more than 3k ohm +-10%, the frequency inverter trips with “E35”.
5-4. Over Temperature Detection of the Frequency Inverter
Frequency inverter has a temperature detection against power devices of the main circuit. Frequency
inverter shuts down the output when temperature around IGBT comes up to 120
degreeC
.
L100 inverter
V
L5(PTC)
U
Motor
PTC thermistor
W
5-4/E
Except Japanese version
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