PID Process Controller with 4 Relays and USB (240V) N-3000

N3000-4R PID Process Controller is a high-performance universal controller designed for demanding industrial automation and process control applications. Featuring a large digital display, advanced PID auto-tuning, and flexible configuration, it delivers precise control for temperature, pressure, and process variables.

With USB connectivity and Modbus RTU communication, the N3000 simplifies setup, monitoring, and integration into SCADA or PLC systems, making it ideal for modern industrial environments.

Key Features

• Universal PID process controller with large digital display
• Advanced auto-tuning PID algorithm for precise control
• Supports temperature, pressure, and general process inputs
• Up to 4 configurable relay outputs
• USB configuration and programming via PC
• Compatible with QuickTune Windows software
• Modbus RTU communication via USB (virtual COM port)
• Remote setpoint and analog retransmission support

Technical Specifications

• Power supply: 100–240 VAC/DC (universal supply)
• Display: Large digital LED display (big digit)
• Control type: PID with auto-tuning and manual mode
• Input type: Universal process input (fully configurable)
• Digital input: 1 × dry contact (programmable functions)
• Configuration: Front panel or USB (QuickTune software)
• Communication: USB with Modbus RTU (virtual COM port)
• Outputs: Up to 4 configurable relay outputs
• Analog output: Retransmission output (configurable)
• Alarm functions: High, Low, differential, sensor break, event alarms
• Timer alarms: 2 programmable timer alarms