E6581339⑥
12
3.4 External thermal trip input (TH1+, TH1-) By connecting the thermistor to TH1+ and TH1- terminal, when the thermistor value is
unusual, the inverter can be trip.
The resistor value
between TH1+ and TH1- Detect condition Movement
about under 70 ohm Thermistor short broken detection oh2 trip
about 70 - about 2.5k ohm Normal value ―――
about 1.6k ohm Thermistor fault reset ―――
about 3k ohm Thermistor fault detection oh2 trip
Parameter
Title Function Adjustment range Default setting
f637
PTC thermal selection 0: Deselect
1: Select 0
TH1+
TH1-
PTC
thermistor
Expansion IO card option
P15
4.2k
Voltage
detection
circuit