SOMFY RS485 Frame Builder 1.1

SOMFY RS485 Frame Builder is a utility for installers, integrators, and testers who work with Somfy RS‑485–controlled devices. It streamlines the creation, validation, and testing of serial command frames, helping you configure fields, calculate checksums, and verify responses without writing custom code.

Key features:

• Field-by-field frame composer (address, function, payload)
• Automatic checksum/CRC calculation with configurable options
• Hex, decimal, and ASCII views with endian controls
• Serial I/O with adjustable baud rate, parity, data bits, and stop bits
• Live monitor and response decoder with error highlighting
• Command templates, reusable libraries, and sequencing with delays/repeats
• Session logging and export to common formats for diagnostics and documentation
• Offline frame building and easy sharing of saved command sets

Note: This tool is designed for use with Somfy-compatible RS‑485 devices. It is not affiliated with or endorsed by Somfy.

SOMFY RS485 Frame Builder is developed by SOMFY. The most popular versions of this product among our users are: 1.1 beta and 1.1. The name of the program executable file is RS485FrameBuilder.exe.