The CM50/1E0S0E0/STD is part of ABB's ControlMaster series, specifically a universal process controller. It is a highly versatile 1/2 DIN PID controller designed for process control applications. It features a full-color TFT display, intuitive user interface, and flexible connectivity options like Ethernet and MODBUS®. The controller supports various input types, including thermocouples, RTDs, and digital inputs, and offers powerful control functionalities such as adaptive control, math, and logic.