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 …
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 …
What is the Modbus Protocol & How Does It Work? - NI
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 …
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 …
Introduction to Modbus Protocol – Basics, Types, and ...
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 …
Modbus Protocol Explained: Types, Working, Frames, CRC ...
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 Protocol Explained: Complete Guide to Modbus RTU …
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 …