Description
US/U2.3 Universal Interface 2-fold: Flush-Mounted, Secure Push-Button & LED Integration
The US/U2.3 also provides capability for handling analog signals (0–10 V / 4–20 mA), further expanding its versatility beyond simple switching applications while maintaining a very low power loss of 0.25 W.
1. US/U2.3 Universal Interface 2-fold: Flexibility and Security
Engineered for simple integration and robust communication within the KNX system.
Functionality and Configuration:
- Channel Configuration: 2 independent channels that can be set as inputs (for auxiliary contacts, push-buttons) or outputs (for LEDs).
- Conventional Integration: Ideal for connecting standard push-buttons, switches, and pilot LEDs to the KNX bus.
- Analog Capability: Capable of handling analog input signals such as 0–10 V or 4–20 mA from various sensors.
- Security: Supports the KNX Data Secure standard for secure telegram transmission.
Installation and Power:
- Installation: Designed for Flush Mounted (FM) installation, ensuring discretion and space saving.
- Dimensions: Very compact (39 mm H x 40 mm L x 12 mm W).
- Low Power: Extremely low power loss of just 0.25 W.
2. Technical Details and System Integration
This interface acts as a vital bridge between the physical controls and the KNX automation system.
- Input Voltage: Pulsed 20 V.
- Output Voltage (LED): 3.3 V DC (max 5 mA).
- Pairing: The push-buttons connected to this interface typically control a KNX Switch Actuator or a KNX Dimmer Actuator (Internal Links).
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