Modbus协议开发，通过Modbus协议开发，可以获取机房内冷却设备，电流，电压等信息-Modbus protocol development, through the Modbus protocol development, you can get the engine room cooling equipment, current, voltage and other information

JAVA编写的modbus通讯库文件，工控开发可以用得上。-modbus for java

自动化设备PLC连接数据库开发Modbus所需的jar包及调试工具,Modbus Slave-Automation equipment PLC connection development Modbus necessary jar package and debugging tool, Modbus Slave