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Communication Vijeo Citect v7.50 with Remote OFS throught DCOM

Thomas

Hello,

I'm trying to communicate with remote OFS Server with CitectScada V7.5 SP1.
I already defined the communication in DCOM between my 2 computers and when I launch my OFS Client, the OFS Server start.
My problem is that when I create an IODevice, I use an OFSOPC driver, I connect to my remote OFS Database and I'm able to back up all the tags from the remote OFS Server.
But when I try to put a tag on my view, in runtime, I have a bad value.

If you have a procedure or file to fix my issue, I could help me.

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  • Hi ,
    Patrick is correct. OFSOPC is not able to communicate with remote OFS. This was done to minimize complexity and performance issues.
    If you must communicate with remote OFS, you will need to use OPC generic protocol. Set the remote machine name and some other parameters (OPCAccessPath). See the Driver help for more details.
    Once you have defined your OPC device, you can use the either the generic "OPC" import mechanism or the "Unity SpeedLink to OFS via generic OPC" option. The SpeedLink option will try to detect which tags should auto generate alarm and trend tags. So use which one is appropriate for your situation.
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  • Hi ,
    Patrick is correct. OFSOPC is not able to communicate with remote OFS. This was done to minimize complexity and performance issues.
    If you must communicate with remote OFS, you will need to use OPC generic protocol. Set the remote machine name and some other parameters (OPCAccessPath). See the Driver help for more details.
    Once you have defined your OPC device, you can use the either the generic "OPC" import mechanism or the "Unity SpeedLink to OFS via generic OPC" option. The SpeedLink option will try to detect which tags should auto generate alarm and trend tags. So use which one is appropriate for your situation.
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