OPC dlls | Classic OPC: DA, A&E, HDA, XML-DA, etc. | Forum

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OPC dlls
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Patrik Karlsson
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09/14/2020 - 04:16
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Hi all,

New member here and also new to OPC. I need to find the following dlls but I'm having trouble locating them, can anyone help me find them faster?

opccomn_ps.dll
opcproxy.dll
opcae_ps.dll
opchda.dll

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Randy Armstrong
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Patrik Karlsson
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09/15/2020 - 01:27
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Yes, I found the site earlier, but when I downloaded the last release with the core components i didn't get any of my listed dlls. Do I really need to download every single release? Or can someone just tell me which releases I need to donwload?

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Randy Armstrong
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09/16/2020 - 06:10
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The files in question are shared by every OPC vendor.

You should never be installing them directly because you could break other OPC applications running on the same machine.

The MSI and MSM install and register the files in the Program Files (x86)\Common Files\OPC Foundation directory.

Once that is done your OPC applications can make use of them.

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