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Modbus Proxy – Lightweight Docker Image for WAGO PFC200

\n\n

\nThis image provides a compact and efficient Modbus proxy server built with Python, designed to run seamlessly on embedded systems like the WAGO PFC200 (ARMv7l). It supports flexible configuration via YAML and is ideal for industrial automation scenarios where Modbus TCP routing or multiplexing is required.\n

\n\n

Features

Optimized for ARMv7l architecture
Compatible with WAGO PFC200 controllers
YAML-based configuration for easy setup
Lightweight Python environment using modbus-proxy
Suitable for edge deployments and containerized field devices

\n\n

Usage

Mount your configuration file and start the container:

$ docker run --name modbus-proxy -p 5020:502 muerlemann/modbus-proxy:armv7 -b tcp://0:502 --modbus tcp://plc-ip:502

\n\n

Start with config-file:$ docker run --name modbus-proxy -p 9001:5001 -p 9002:5002 -v $PWD/config.yml:/config/modbus-proxy.yml muerlemann/modbus-proxy:armv7 \n

Example config file config.yml:

\ndevices:\n# Modbus-Slave 1\n- modbus:\n    url: 192.168.xxx.xxx:502\n  listen:\n    bind: 0:5001\n# Modbus-Slave 2\n- modbus:\n    url: 192.168.xxx.xxx:502\n  listen:\n    bind: 0:5002\n

\nFor configuration examples and documentation, visit the \nGitHub repository.\n

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muerlemann/modbus-proxy

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