melsec

A very popular industrial Internet of Things communication plug-in. Using this dll can be very convenient, stable, and fast to obtain data from PLC equipment of multiple brands, and also supports redis, mqtt, websocket, etc., which can let your data on the network Free transmission, reducing enterprise development costs.

物联大师是开源免费的物联网平台，集成了标准Modbus和主流PLC等多种协议，支持数据采集、公式计算、定时控制、自动控制、异常报警、流量监控、Web组态、远程调试等功能，适用于大部分物联网和工业互联网应用场景。

Internet of things data acquisition platform

Native Go implementation of PLC protocols for iot-master and others. Visit github.com/zgwit/iot-master

物联大师网关，集成了Modbus，DLT645，和主流PLC等多种协议，支持MQTT上传，监控视频接入，离线场景 等等，更多内容请关注物联大师 github.com/zgwit/iot-master

Python3 Implementation of MELSEC Communication

Python connector for low-level Mitsubishi PLC MELSEC FX series (FX-232AW) serial protocol with builtin HTTP server.

A java library which implements MELSEC Communication protocol (QnA compatible 3E Binary).

三菱製ライブラリMX Componentを手軽に利用する為のラッパークラス

PLC simulators.

YSCom's MES Framework

McpX is a library for communicating with Mitsubishi Electric PLCs using the MC protocol. It features a simple and easy-to-use API, allowing you to communicate without worrying about MC protocol details. It runs on various platforms, including Linux, Windows, and macOS.

Access Mitsubishi PLC using MC Protocol (MELSEC Communication Protocol)

mcpxpy is a Python wrapper for McpX, a .NET library for communicating with Mitsubishi Electric PLCs using the MC protocol.