Description
LK/S 4.2 KNX Line Coupler: Secure, Compact, and Topology Structuring
By connecting a line to a main line, or a main line to an area line, the LK/S 4.2 KNX Line Coupler ensures reliable and segmented data communication across complex topologies with extremely low power consumption (0.3 W).
1. LK/S 4.2 KNX Line Coupler: Advanced Communication and Security
This coupler is designed for maximum efficiency and robust data handling in segmented KNX networks.
Topology and Efficiency:
- Functions: Can be configured as a Line Coupler (connecting a line to a main line), an Area Coupler (connecting a main line to an area line), or a Repeater (signal booster).
- Data Security: Fully supports KNX Data Secure communication, filtering and processing secure telegrams to maintain network integrity.
- Filtering: Features built-in filtering mechanisms, including filtering by main group addresses (e.g., groups 14…31 with ETS4), to minimize unnecessary bus traffic.
- Isolation: Provides crucial electrical isolation between the coupled segments.
Compliance and Standards:
- Long Frame Support: Supports long frames for higher data payload and compatibility with newer KNX devices.
- Low Power: Extremely low power loss of just 0.3 W.
2. Technical Details and Compact Installation
The compact design makes it highly flexible for panel installation.
- Installation: Designed for professional DIN-Rail mounting.
- Dimensions: Very compact, occupying only 2 modular spacings (36 mm width, 90 mm height).
- System Integration: As a key infrastructure component, it requires a stable KNX Power Supply to operate (Internal Link).
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