The ET4410 is a digital control device that is PID controlled. Its thermocouple from keypad options like J, K, T, S and R and all thermocouples helps in the application. It can tune itself and the PID parameters can be automatically adjusted. The values can be set and monitored in its dual display screen. It has 0/4-20m analogue options, SSR, relay or motorized valve control output. The RS485 optional modul with ModBus RTU protocol transmits and controls the data. Devices programmed with security parameters can not disrupt from outside. Settings can be done with its ergonomic keypad.