LK/S 4.2 KNX Line Coupler
€267,00
In stock
LK/S 4.2 KNX Line Coupler: Secure, Compact, and Topology Structuring
Built for modern system demands, the LK/S 4.2 fully supports KNX Data Secure communication, ensuring telegrams are processed, filtered, forwarded, or blocked based on settings to enhance network security. It also supports long frames (from ETS5 onwards) and features filtering capabilities for efficient bus loading management.
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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