The Modbus protocol uses serial communication lines, Ethernet, or the Internet protocol suite as a transport layer. [1] Modbus supports communication to and from multiple devices connected to the …

May 30, 2025 · Originally implemented as an application-level protocol intended to transfer data over a serial layer, Modbus has expanded to include implementations over serial, TCP/IP, and the user …

I am starting the modbus series tutorials using the STM32 MCU, where we will write the entire protocol understanding the need for each function. This tutorial will uncover something very basic about the …

Sep 30, 2025 · Modbus is a serial communication protocol developed by Modicon published by Modicon® in 1979 for use with its programmable logic controllers (PLCs). In simple terms, it is a …

Sep 4, 2025 · This article provides a detailed introduction to the fundamentals of the Modbus TCP protocol, covering its principles, the MBAP header, differences from Modbus RTU, data formats, …

Jun 24, 2025 · Learn the basics of the Modbus protocol including its types (RTU, TCP), communication principles, and how it is used in industrial automation for PLC and SCADA systems.

Learn Modbus protocol fundamentals - function codes, data models, addressing, master/slave architecture.

In simple terms, MODBUS acts as a common language that allows devices from different manufacturers to communicate seamlessly. Whether you’re an engineer, technician, or automation enthusiast, …

Oct 4, 2025 · Modbus is a request-response protocol used in automation for communication between devices. It relies on a master-slave model: the master initiates requests (read/write data), and the …

In this tutorial, we will look in-depth into the MODBUS protocol, its benefits, types, and implementation.