... PLC. Another, it can transmit data from apparatus (thermometer, humidity meter, electric meter, flow meter) to user or monitoring center ... or open), alarm and recovery SMS message for each alarm point; Supporting drive relay output>>Maximum of 10 mobile phone ... parameter 9600,n,8,0,1>>Temperature: -20-+70 °C>>Humidity : Relative humidity 95% (condensation free)>>Output drive voltage: Equal to input DC ...