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Home » Eclipse Projects » 4DIAC - Framework for Distributed Industrial Automation and Control » OPC Client only receive date(Client FB can only receive date, but can not send data)
OPC Client only receive date [message #1763785] Fri, 19 May 2017 16:03 Go to next message
Jiahang Chen is currently offline Jiahang ChenFriend
Messages: 34
Registered: April 2017
Member
Hi everyone,

i am really sorry for asking a question again in forum. But its really a big problem and i am not able to solve that.

i created a client fb in 4diac and want to test the communication with Kepserver. i found, that the client fb can only receive the data (here S7.1500.Aus). However the FB can not send a data (Here S7.1500.Ein) to the Server.

After triggering the REQ i could not see the data in Kepserver.

in Addition i post the picture during compiling the forte project in visual studio. I saw here really many warnings, which all have LNK 4254 to do. Can those warnings be a reason for failed communication?

Hope someone can reply
thanks
Re: OPC Client only receive date [message #1763811 is a reply to message #1763785] Sat, 20 May 2017 09:12 Go to previous message
Jiahang Chen is currently offline Jiahang ChenFriend
Messages: 34
Registered: April 2017
Member
i have tried to connect with Festodidactic OPC following the example

but still can not send the data to server

  • Attachment: FestoOPC.PNG
    (Size: 721.91KB, Downloaded 44 times)
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