Modbus Function Command Formats
In this article, you will learn the Modbus Function Codes like Read and write of coil, contact, holding register, and analog input register.
Modbus function codes
Modbus Function Codes and Addresses
In this article, you will learn the Modbus communication protocol function codes and address range with examples.
Introduction to Modbus – Reading and Writing Data
In this article, the author discussed the introduction of Modbus protocol, reading and writing the data format and message structure.
Modbus : History, Structure, Modes, Addressing, Functions
Modbus primary purpose was, of course, to exchange data between PLCs and other devices in the industrial plants.
How Modbus Communication works
Introduction to Modbus Modbus is the “granddaddy” of industrial communication protocols. It was originally designed in the mid-1970s by Modicon