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上海卓岚科技的联网产品包括:嵌入式设备联网模块、串口服务器等。使用卓岚联网设备进行设备远程监控的示意图如下图所示。
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在远程计算机端,卓岚科技提供了3种方式方便用户和联网产品通信:
1.卓岚设备管理DLL+VB等程序。提供的DLL设备管理函数库,可以被用户程序所调用,用户只需使用提供的open、close、send、recv函数,即可实现通信。
2.串口程序+虚拟串口驱动。例如三菱PLC需要通过MELSOFT开发环境和PLC通信,某些Modbus设备则通过三维力控软件和设备通信,它们都是现成的串口程序。使用卓岚虚拟串口驱动,可以在网络化升级后,仍然使用这些串口程序。
3.Socket网络程序:对于高级用户,可以选择通过TCP/IP直接和联网产品通信。
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