Microcontroller control panel, Inputs/Outputs (I/O) (according to a technical manual):, Digital Outputs: 6 relays, 10A., Digital inputs: 4., Analog Inputs: 1 "Kavlico" 0-5V, 3 PT1000., Analog Output: 1 (4-20mA)., Sensor: 1 built-in temperature sensor on board.