node-red-contrib-buffer-parser

Node-red nodes to convert values to and from buffer/array. Supports Big/Little Endian, BCD, byte swapping and much more

ads-client

Beckhoff TwinCAT ADS client library for Node.js (unofficial). Connect to a Beckhoff TwinCAT automation system using the ADS protocol from a Node.js app.

@thammond17/modbus-manager-agent

High-performance local polling engine for Modbus Manager - supports hundreds of devices and thousands of data points