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OPC Communications

2 posts in this topic

Hey!

I'm having some issues with an OPC server that is remote to our computer and PLC. We have an OPC server that is on an external server that is communicating between a L16ER and a computer. The PLC is processing a barcode and then sending to the OPC. The transfer from PLC to OPC to computer is taking ~1 second. 

Is there a good way to speed up this transfer? We were thinking about loading the OPC software on the computers directly rather than on a remote server. 

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The OPC Client that is connected to the OPC Server will tell it the rate that it wants updates sent to it. The industry standard is one second. Now, if the barcode scanner is sending the barcode to the OPC Server unsolicited, that means the server is not sending a request to scan to the scanner, Then you can probably set the update rate in the client to something faster because the server is just sending what it has in cache to the connected OPC Client. 

What is the server and the client that is being used. That will allow us to refine our recommendations to you.

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