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How to configure MPI USB cable in NI OPC?

HI All,

I have to communicate with Siemens PLC S7-400 with NI opc server to read all register values. To communicate with plc I use USB MPI

adapter cable. But in NI opc server there are only three options Serial, modem and Ethernet configuration. How can I configure USB MPI adapter cable in NI opc server, OR  Can I use USB to serial converter???

Please help me urgent.

Thanking you in advance.

 

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Search for MPI S7 on ni.com and the forums. You should be able to find loads of helpful articles.
Adnan Zafar
Certified LabVIEW Architect
Coleman Technologies
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Hello,

I am having the same problem with the USB MPI siemens cable and I cant not find any way to introduce the USB port in the OPC server definition.

 

Regards

Miguel

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HI,

 

i'm interested in this thread. Can i use the NI Usb 485 converter to use OPC Server?¿?

 

In this link, referred to this conversor but i'm not sure that can be used

 

http://www.datalights.com.ec/site2/images/docs/opcsiemenss7200.pdf

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Hello everyone 

 

sorry for writing in this thread but i am facing the same situation and i think that the problem did not solved yet so , any help would be appreciated

 

 

Best Regarsd

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stll waiting ...... 🙂

 

How to Siemens S7-315-2-dp with DSC opc server via PC adapter ??

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NI OPC do not have driver for MPI USB. So, we need another OPC for MPI USB, you can try this OPC:

http://www.ibhsoftec.com/epages/63444704.sf/en_GB/?ObjectPath=/Shops/63444704/Categories/Download/Do...

Thanks

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