Regarding the OPC issues with Zhejiang University Zhongkong
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The engineer station acts as the OPC server, while a separate machine is used as the OPC client. There is a hardware dog, OPC communication is working properly, the client connection is fine, and data can be read. I would like to ask: if a third party wants to read my OPC data, how can they do that? Is it sufficient as long as my OPC server is running? What is its relationship with the OPC client software of the central control system?
I’m leaving a message here, looking forward to a reply from an expert so I can learn from it. . . . . :)
Configure DCOM – as long as your server is enabled, that’s it
It’s mainly a DCOM configuration issue
Just configure DCOM, and that’s it
OPC is an application from Microsoft; system manufacturers simply enable this function through software, which functions as a plugin. Once the configuration is done on both the server and client sides, third-party software can read data from it, and one must inquire with the manufacturer of that third-party software regarding the method of reading
A web gateway is needed; data is read from the web gateway
It doesn’t matter which OPC client software it is, as long as it complies with the OPC standard. In terms of configuration, in short, as long as the permissions permit it, communication between C-S applications located on two different machines is possible, but both sides must have the necessary permissions; this involves setting up authorized users who have the right to access or start the relevant processes over the network.
Start the server and configure DCOM properly.