SIEMENS RWF55.51A9 UNIVERSAL CONTROL DEVICE

General Description:
The SIEMENS RWF55.51A9 is an advanced universal controller with PID control, used in industrial applications for precise regulation of temperature, pressure, and other process values. It is designed for easy panel mounting and reliable operation.

Technical Specifications:

• Power Supply: 230 V AC, 50/60 Hz

• Input Type: Universal input (Pt100, thermocouple, 0/4-20 mA, 0-10 V)

• Relay Output: 2 x Relay (SPDT)

• Analog Output: 1 x Analog (0-10 V or 4-20 mA)

• Digital Input: 1 x programmable digital input

• Display: 2-line LCD (simultaneous process & setpoint display)

• Control Type: PID / ON-OFF / Modulating

• Communication: RS485 Modbus RTU

• Mounting: Panel type, 96x96 mm

• Protection Class: IP54 (front), IP20 (device)

• Operating Temperature: 0…+55 °C

Applications:

• Burner and boiler systems

• Industrial furnaces

• Temperature/pressure control

• HVAC systems

• Industrial automation

Advantages:

• High-precision PID control

• Flexible input/output configuration

• Remote communication (RS485)

• Advanced alarm and setpoint management

• Robust, industrial design