C351 1/4 DIN Process Controller Data Sheet

This data sheet describes the C351, a versatile 1/4 DIN single-loop PID process controller with multiple control strategies including heat/cool, motorized valve, and analog backup. It features three large LED displays, comprehensive I/O capabilities (analog inputs/outputs, relays, digital inputs, RS485 Modbus), advanced functions like math blocks, soft-wiring, and a Control Efficiency Monitor (CEM) for manual fine-tuning, along with IP66/NEMA4X front face protection for harsh environments.