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 …

Apr 22, 2026 · 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 …

Developed by the Modicon company (the original manufacturer of the Programmable Logic Controller, or PLC) in 1979 for use in its industrial control products, Modbus is a protocol designed specifically for …

Since Modbus protocol is just a messaging structure, it is independent of the underlying physical layer. It is traditionally implemented using RS232, RS422, or RS485. The function code in the request tells …

May 30, 2025 · Modbus, a relatively simple and open standard, can be modified to suit the needs of a given application. This is most common for communication between an HMI and PLC or PAC, as this …

Jan 25, 2024 · Modbus, a widely used serial communication protocol, operates by facilitating data exchange between electronic devices. In its basic configuration, a straightforward connection …

Modbus is a widely used industrial automation communication protocol designed to enable seamless data exchange between programmable logic controllers (PLCs), sensors, actuators and monitoring …

Sep 2, 2025 · This article introduces Modbus, an industrial protocol that laid the foundation for fieldbus communication in industrial systems.

Modbus is an industrial protocol standard that was created by Modicon, now Schneider Electric, in the late 1970’s for communication among programmable logic controllers (PLCs). Modbus remains the …

Explore how to use the Modbus protocol in your control system, including implementation strategies, applications, best practices, and more.