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Delphi Modbus 主站控件，使用TCPCLient 用康海串口服务器通讯，下位机接到串口服务器串口上，用Modbus协议通讯。-Delphi Modbus master control, the use of TCPCLient Kang Hai serial server with the Communication, under the crew received a serial port server serial port, and with the Modbus protocol communications.
