The Autonics PRDCML124DN is a PID temperature controller. It features 4 outputs, 1 relay and 3 SSRs, and comes with a dual 4-digit display and a luminous keypad. This model is suitable for controlling the temperature of a single zone in heating or cooling mode, or for controlling the temperature of two zones in cooling mode. It comes equipped with a alarm output, two programmable alarm outputs, two ON/OFF inputs, and a built-in communication port for PLC connection. Additionally, this PID controller features self-tuning and soft start functions, making it simple to use and ideal for a range of temperature control applications.