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Sensor de encargo - Sensor de humedad y temperatura MaxDetect

  • Modelo: MQ3020
  • Gama: variable,-20-80 C ajuste usado en este ejemplo
  • Salida: 4-20mA
  • Alimentación: 24 voltios
  • Exactitud: +-0,3 C, RH + - 2%

Una resistencia de carga se utiliza para convertir la corriente a una tensión.

   

 

Definición de sensor

 "MaxDetect Outdoor Temperature Sensor" : {
 "desc" : "MaxDetect MQ3020. 24V power, output 4-20mA. Jumpered for -20 to +80C.",
 "analog" : true,
 "rj45_v1" : true,
 "tblock_v1" : true,
 "pwr_volt" : 24,
 "rep_analog" : 1,
 "default_tag" : "temperature",
 "analog_tag" : "temperature",
 "conversion" : "-31.11+xyz*55.55",
 "unit" : "CELSIUS",
 "precision" : 3
 }