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- | |||
|
| ||
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 | ||
1: Select | ||||
|
|
| ||
| Expansion IO card option |
|
| |
| P15 |
PTC | TH1+ |
thermistor |
|
| TH1- |
4.2k
Voltage
detection
circuit
12
