Modbus Function Codes: Definitions, Applications, and Selection Considerations

Modbus Function Codes: Definitions, Applications, and Selection Considerations

In the field of industrial automation, the Modbus protocol has become the core standard for communication between devices due to its simplicity and wide compatibility. The Modbus function codes serve as the “instruction set” of the protocol, defining the types of commands between master and slave devices and determining the specific operations performed by the … Read more

Detailed Explanation of Modbus Protocol and Data Types

Detailed Explanation of Modbus Protocol and Data Types

Click ๐Ÿ‘† above to follow Engineer Yan Ji and โ˜…starโ˜…. Protocol Definition 1. Modbus is a request-response protocol implemented using a master-slave relationship. 2. The Modbus protocol introduces different application data units to change the packet format used in serial communication or to allow the use of TCP/IP and User Datagram Protocol (UDP) networks. Its … Read more