Siemens RWF40.000A97: Compact Universal Digital Controller
Siemens RWF40.000A97 Compact Universal Digital Controller
The Siemens RWF40.000A97 is a compact universal digital controller designed for modulating or 2-stage burner applications to manage temperature or pressure. It features two 4-digit 7-segment displays for actual and set values, with a front panel IP65 and rear panel IP20 protection rating. The controller operates on AC 100-240V mains supply and offers flexibility with weather-compensated setpoint adjustment and a limit comparator function.
This controller is primarily used for managing temperature or pressure in oil- or gas-fired heating plants. Its self-optimization function (autotuning) allows for automatic determination of optimal PID control parameters while the burner is running. It is suitable for industrial heating systems, boiler controls, and burner management systems.
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| Mains Supply | AC 100-240V |
| Frequency | 48-63 Hz |
| Power Consumption | Max. 10 VA |
| Input 1 (Actual Value) | Pt100/Pt1000, Ni100/Ni1000, Thermocouples (J, K, N, U) |
| Input 2 (Setpoint) | 0-1 kΞ© Potentiometer or standard signal |
| Display | 2x 4-digit 7-segment |
| Front Protection | IP65 |
| Rear Protection | IP20 |
| Dimensions | 96x48 mm |
| Data Backup | EEPROM |
| Output | 3-position |