Toshiba ETB003Z instruction manual External thermal trip input TH1+, TH1

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E6581339⑥

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	Detect condition	Movement
	between TH1+ and TH1-	Detect condition	Movement
	between TH1+ and TH1-
	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	0
	f637 PTC thermal selection		1: Select	0
			1: Select
		Expansion IO card option

	P15
PTC	TH1+
thermistor
	TH1-

4.2k

Voltage

detection

circuit

12

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Contents Expansion IO Card Option Safety precautions Safety precaution E6581339⑥ Introduction Confirmation on accessoriesType of expansion IO option card Contents Appearance Name and function of each sectionName of each section terminal Connection to the inverter Installing the IO card option in the VF-AS1/PS1Input/output terminal interface WiringTH1+ Tripping value about under 70 ohm Multi-function output terminal Functional descriptionParameter MonitorMulti-function input terminal 10V power supplyExternal thermal trip input TH1+, TH1 External diagram of option unit mm External diagramEnvironment Specification SpecificationControl specification Warranty