AD84A02KNX module includes 4 digital inputs to interface free potential contacts; 4 analog / digital inputs for free potential contacts or temperature sensors and 4 led outputs. Digital inputs can interface sensors, traditional buttons, etc; 4 led output channels at low voltage can drive LED for synoptics panels or switches. Inputs 5 ÷ 8, set as analog inputs, can enable up to 2 temperature probes (with On/Off threshold) and 2 thermostats to control heating and cooling equipments, valves, 2 and 4 pipes fan coils; etc..