Introduction - If you have any usage issues, please Google them yourself
Modicon Modbus protocol originally developed by the out at the end of 1979 it became the Schneider Automation (Schneider Automation) department as part of Modbus is now the world' s most popular industrial protocol. The protocol supports a traditional RS-232, RS-422, RS-485 and Ethernet devices. Many industrial equipment, including PLC, DCS, intelligent instruments and so on using the Modbus protocol as standard for communication between them. With it, different manufacturers of industrial control equipment can be connected into the network, centralized control.