Profibus PA device

[kaush]

Hello, I have Profibus PA device and LabView 8.6. With this i have Softing Profibus Interface cards and Siemens Profibus interface card. I can use anyone. One way is to communicate using OPC server and datasocket. Is there any other way or Drivers for this interface cards from which i can bypass the use of OPC server. Thanks in advance.

[Jochen]

Hello kaush,

you also should be able to talk to these devices from LabVIEW  through direct DLL calls (call library node). Preconditions for this are well documented driver DLLs and some spare time for understanding and implementing the DLL calls. I'm not aware of a direct LabVIEW interface for Profibus boards from Softing and Siemens, but it might be worth contacting these vendors. At least Softing might have something available.

If you need to focus on development time, you also may consider using a Profibus DP board from NI in combination with a PA bus coupler (e. g. from Pepperl&Fuchs). The NI board is developed and manufactured by Comsoft, who is well known in the Profibus market, and it comes with an easy to use LabVIEW API.

Compared to OPC a direct communication with the Profibus board provides much better performance and it's much less error prone, so I can understand your preference here...

Kind regards,

Jochen Klier

National Instruments

[kaush]

Compared to OPC a direct communication with the Profibus board provides much better performance and it's much less error prone, so I can understand your preference here...

---

I totally agree with this jochen klier. I saw comsoft interfaces. They don have anything in PCMCIA. I don want to use PCI or PXI cards 😞  I 'll try to contact softing. Thanks for the reply. If u have any other information or source for using direct DLLs please let me know.

Thank you,

Koushik