Samsung RB2155SW Especificações descarregar pdf (Página 29)

Circuit Descriptions

1) The sensor uses the characteristics of thermistor. If temperature goes higher, resistance goes

lower. On the contrary, if temperature goes lower, resistance goes higher.

2) A MICOM input voltage is calculated by sensor as follows.

CC : 5V, RTH : Sensor reisitance)

3) For the resistance data corresponding to a temperature and a MICOM input voltage, please

refer the conversion table on the back.

RTH

VF = X Vcc

RTH + R301

When Sensor is open

MICOM input “HIGH”

When sensor is cut off

MICOM input “LOW”

( Air Sensor)

10-5) Temperature Sensing Circuit

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