Room operator unit KNX with temperature sensor
The Siemens room operator unit offers an intuitive solution for climate control and operation of lighting, blinds, and scenes. Equipped with a precise temperature sensor, segmented backlit display, and configurable touchkeys for easy operation.
Main Features:
- Measures temperature with an accuracy of ±0.5 K (at 25 °C).
- Backlit display for easy readability in dark environments.
- Operable via 8 or 16 configurable touchkeys with LED indicators.
- Supports control of lighting, blinds, and scenes via KNX.
- PID algorithm for temperature regulation in heating or cooling mode.
- Powered via KNX or PL-Link interface (21–30 V DC).
Technical Specifications:
| Sensor Type | NTC resistance sensor |
|---|---|
| Measurement Range | 0...50 °C |
| Operating Voltage | DC 21...30 V via KNX / PL-Link |
| Power Consumption | Maximum 10 mA at DC 24 V |
| Operating Temperature | 0...50 °C |
Additional Functions:
- Three independently adjustable switching values for CO₂ concentration and relative humidity for air quality control.
- Control signals for fans with 1-, 2-, or 3-stage regulation (humidity and CO₂).
- Control signals for positioning systems with 1-, 2-, or 3-point regulation (humidity and CO₂).
- Setpoints for room temperature, relative humidity, and CO₂ concentration adjustable via KNX.
- Note: CO₂ regulation requires a separate item number.
Note: Available in white (S55624-H108) and black (S55624-H129). Suitable for various applications in building automation via KNX.
