Wecon HMI as Modbus Master | Read PLC/Slave Device Data via RS485/RS232/RS422
Автор: Wecon India Automation Hub
Загружено: 2026-02-16
Просмотров: 11
Описание:
In this video, we will learn how to configure HMI as a Modbus Master and read data from a Modbus Slave device such as PLC, energy meter, or IO module.
📚 Official Modbus Reference (Wecon Support Center)
Wecon support center Modbus link reference:
👉 https://docs.we-con.com.cn/bin/view/P...
You will understand:
✔ What is Modbus Master & Slave
✔ RS485 wiring connection
✔ Modbus RTU configuration in PIStudio
✔ How to read Holding Registers (Function Code 03)
✔ Address mapping (40001 vs 0 confusion explained)
✔ Live data reading demonstration
✔ Common troubleshooting tips
This tutorial is useful for industrial automation engineers, PLC programmers, and HMI developers who want to implement Modbus communication in real projects.
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