Data monitoring platform based on Modbus protocol

The Modbus protocol has a wide range of applications in industry, enabling communication on different operating systems and physical devices. Under the Visual Studio 2019 platform, based on the Modbus TCP communication protocol to design the host computer software, through TCP/IP and ModSIM32 for point simulation communication receiving register data, ID station number-1 data are water meter data, ID station number-2 data is meter data and added MQTT protocol can publish, subscribe to topics, water_data is the topic of water meter data carrier, ele_ Data is the topic of the meter data carrier, and users can view energy data on demand by subscribing to the topic. At the same time, it is connected to the bank's management system, and the bank automatically deducts fees from the user's deposit to realize online charges