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  1. Modbus - Wikipedia

    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 …

  2. Modbus Protocol

    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 …

  3. What is the Modbus Protocol & How Does It Work? - NI

    May 30, 2025 · Modbus is a message-based protocol at its core, so UDP’s ability to send a well-defined packet of information without any additional application-level information, like a start …

  4. What is Modbus and How does it work? | Schneider Electric USA

    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 …

  5. Modbus Protocol – Complete Guide for Automation Engineers

    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 …

  6. Introduction to Modbus Protocol – Basics, Types, and …

    Jun 24, 2025 · The Modbus protocol is a widely used communication standard in industrial automation systems. Originally developed by Modicon (now Schneider Electric) in 1979, …

  7. What is MODBUS Protocol? Simple Explanation for Beginners-2025

    Developed in 1979 by Modicon (now Schneider Electric), the MODBUS protocol is one of the most widely used communication protocols for connecting electronic devices and field …

  8. Modbus Protocol Explained: Complete Guide to Modbus RTU and Modbus

    Oct 4, 2025 · The Modbus protocol is an open standard that enables the exchange of information between different electronic devices. It was developed in the 1970s by Modicon (now …

  9. Modbus Protocol Guide - Maple Systems

    Modbus is a widely-adopted open-source protocol that enables communication between hundreds of devices from multiple manufacturers. This overview discusses what the Modbus protocol is, …

  10. Modbus Specifications - Modbus Organization

    This document gives an accurate and comprehensive description of a Modbus messaging service implementation. Its purpose is to facilitate interoperability between devices using the Modbus …