Universal Digital Controller
- High-performance single-loop PID controller designed for precise process variable regulation in industrial and hazardous environments
- Supports 4-20mA, RTD, and Thermocouple inputs with RS485 Modbus RTU and Ethernet TCP/IP communication
- Panel-mount, ¼ DIN form factor with IP66-rated front face for oil & gas applications
Overview
- The Allen-Bradley UDC2800 is a next-generation universal digital controller engineered for demanding process control applications in oil & gas, petrochemical, and refinery facilities
- Designed to regulate a single process loop — including temperature, pressure, and flow — with high accuracy and reliability
Control & Performance
- Supports On/Off, PID-A, and PID-B control algorithms with Manual/Auto/Local/Remote setpoint modes
- Achieves 0.15% accuracy with a 100ms scanning rate for rapid trend detection
- Equipped with Accutune III auto-tuning for continuous process optimisation
Input / Output
- Universal inputs: RTD, Thermocouple (Type J, K, etc.), mV, mA (4-20mA), and RH
- Dual universal analogue input capability for advanced process monitoring
- Output types: Analogue (4-20mA), Relay (ON/OFF)
Communication & Connectivity
- RS485 Modbus RTU (up to 38,400 baud)
- Ethernet TCP/IP (10/100M Base-T)
- Bluetooth (BLE 4.2) for mobile configuration via EasySet app
Mechanical & Compliance
- Mounting: ¼ DIN Panel Mount
- Enclosure Rating: IP66 (front face)
- Approvals: CE, FCC, UL, CSA
- Display: Full-colour TFT screen showing PV and SP
