Ask for availability. The Eurotherm 3504 is a versatile 1/4 DIN Advanced Temperature Controller and Programmer designed for precise control of temperature and various process variables. It features a large 5-digit display for clear process value indication and a four-line message center for customizable user information. The controller supports dual-loop control, making it ideal for interactive processes such as heat treatment, environmental chambers, and autoclaves. It offers up to six I/O slots for flexible input/output configurations and supports multiple communication protocols, including Modbus RTU, Modbus TCP, Profibus, and DeviceNet. The 3504 also includes a setpoint programmer capable of storing 50 programs with up to two channels and a total of 500 segments, facilitating complex process control sequences.