node-red-contrib-s7-rust
Copyright 2026 Oriol Rius

This product is licensed under the GNU Lesser General Public License, version 3 only
(LGPL-3.0-only, see LICENSE), which supplements the GNU General Public License, version 3
(see COPYING). The source code of the prebuilt binaries is in the Git tag of each release:
https://github.com/oriolrius/node-red-contrib-s7-rust

The S7comm and S7CommPlus implementations are Rust code. Parts of the S7CommPlus client
follow the protocol handling of S7CommPlusDriver (Thomas Wiens, LGPL-3.0). Protocol
descriptions used as references:
  - Wireshark s7comm and s7comm-plus dissectors
  - snap7 (Davide Nardella)
  - nodes7 (plcpeople) and node-red-contrib-s7 (address syntax)
  - S7CommPlusDriver (Thomas Wiens)

The binary addon (bin/*/s7napi.node) statically links these Rust crates and their
dependencies: napi, napi-derive, serde_json, chrono, socket2, rustls, ring, aes,
flate2 (zlib-rs). Their licenses (MIT, Apache-2.0, ISC, BSD-style) apply to those parts.

Siemens, SIMATIC, S7-1200, S7-1500, LOGO! and TIA Portal are trademarks of Siemens AG.
This project is not affiliated with or endorsed by Siemens AG.