Somfy DecoFlex SDN Keypad V2 (8-Button, Group Control)

The Somfy DecoFlex SDN Keypad V2 (8-Button, Group Control) is a premium, hardwired, in-wall user interface engineered for the stand-alone Somfy Digital Network (SDN) RS485 architecture. Tailored for advanced commercial or high-end residential automation, this keypad communicates directly with intelligent SDN motors without requiring a centralized master controller.

Product Specifications

System Topology: SDN Connect (Stand-alone wired RS485 local area token network).

Power Requirement: Bus-powered via the network line (24V DC distribution).

Wiring Interface: Includes a heavy-duty 5-pin screw terminal block on the rear side for clean twisted-pair network termination.

Physical Input Channels: Features 8 dry contact inputs integrated on the reverse side of the PCB frame.

Functional Design Highlights

Distributed Intelligent Architecture: By communicating over standard RS485 serial profiles directly to individual drapery or shade motors, the switch eliminates network single-point-of-failure issues.

Dedicated Group Navigation: Unlike standard 8-button variants, the Group Control iteration utilizes integrated adjacent LED status lights to explicitly highlight which motor group, building zone, or facade lane is currently selected and active.

Multi-Action Programming: Buttons can be individually customized to send different SDN hex commands based on user interaction states: Press, Release, or Hold.

Instant Scene Capture: Allows users to immediately establish a fresh intermediate favorite position at the current curtain position using a quick, continuous tap combination.

Third-Party Automation Bridging: The 8 rear dry contact inputs mirror the front button faceplates. When an external system (such as Crestron, Control4, or a lighting control panel) closes a contact, the keypad fires the exact same programmed SDN network command.