muerlemann/modbus-proxy repository overview

⁠Modbus Proxy – Lightweight Docker Image for WAGO PFC200

This 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.

⁠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

⁠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

Start with config-file:

Example config file config.yml:

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

For configuration examples and documentation, visit the GitHub repository⁠.