Product information

The Siemens RWF40.000A97 Compact Universal Controller is designed for precise temperature or pressure control in oil- and gas-fired heating systems, supporting PID modulating control, two-stage burner operation, and RS-485 network integration.

Features and benefits

Versatile Control: The Siemens RWF40.000A97 supports both PID modulating and two-stage burner control.

• Integrated Thermostat: Built-in thermostat function ensures reliable burner switching.

• Flexible Setpoint Adjustment: Setpoints can be configured locally or via external signals.

• Clear Monitoring: Dual 4-digit displays show actual value and setpoint clearly.

• Network Connectivity: RS-485 interface enables integration into industrial data networks.

• Compact Panel Design: Space-saving module with rear screw terminals simplifies installation.

FAQ

Q1: What is the primary function of the Siemens RWF40.000A97?
A1: It controls temperature or pressure in oil- or gas-fired heating systems using PID modulating or two-stage burner operation.

Q2: Can the RWF40.000A97 operate as a two-stage controller?
A2: Yes, an external switch allows it to control 2-stage burners based on a set switching threshold.

Q3: How are setpoints adjusted on the RWF40.000A97?
A3: Setpoints can be adjusted directly on the controller or via external signals, with configurable minimum and maximum limits.

Q4: Does the RWF40.000A97 support network integration?
A4: Yes, it features an RS-485 interface for connection to industrial data networks.

Q5: What display and monitoring features does the controller provide?
A5: It has dual 4-digit 7-segment displays showing the actual value (red) and setpoint (green), with a configurable limit comparator.