AH500 Module Manual (1) The input modes of the channels (2) Temperature unit (Celsius/Fahrenheit) 6-26 0: The channel is disabled. 1: Type J thermocouple 2: Type K thermocouple 3: Type R thermocouple 4: Type S thermocouple 5: Type T thermocouple 6: Type E thermocouple 7: Type N thermocouple 8: ±150 mV voltage input Description K0: Celsius K1: Fahrenheit Description