Simple modbus protocol In simple terms, it is a method used for transmitting information over serial lines between electronic devices. Mar 20, 2025 · Modbus is a serial communication protocol developed by Modicon published by Modicon® in 1979 for use with its programmable logic controllers (PLCs). It is a master-slave protocol, where a master device (such as a PLC or computer) communicates with one or more slave devices (such as sensors, actuators, or other control devices). It uses RS-485, RS-422, and RS-232 interfaces, as well as Ethernet TCP / IP networks (Modbus TCP protocol) for data transfer. Modbus was developed as a communication protocol for Modicon PLC Devices. Apr 26, 2024 · Modbus - communication protocol is based on the master-slave architecture. [1] . . Feb 20, 2024 · Modbus protocol supports both serial (RS-232, RS-485) and Ethernet communication. The original Modbus Protocol specification, published in 1979, describes Serial Communications where data is transmitted one bit at a time. MODBUS is an application layer messaging protocol, positioned at level 7 of the OSI model, that provides client/server communication between devices connected on different types of buses or networks. Modbus or MODBUS is a client/server data communications protocol in the application layer. It was originally designed for use with programmable logic controllers (PLCs), [2] but has become a de facto standard communication protocol for communication between industrial electronic devices in a wide range of buses and networks. [3][1] Jul 1, 2024 · 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 character or length, makes Modbus extremely simple to implement. Mar 20, 2025 · Modbus is a serial communication protocol developed by Modicon published by Modicon® in 1979 for use with its programmable logic controllers (PLCs). rbfk goa rcrmv ktt nnd ebaar stja njk fkvl roz tty kqjfcd xhjzs rjtrdte malhkj