How can I use DFProfi II to monitor a gateway?

Hello world

I am a total newbie to Profibus, so forgive me please, if this is a silly question:

I have a Simatic S7 400 control (via Profibus) an application robot on a factory floor. The profibus network also contains a slave of the gateway to RS-232, which communicates with a LabVIEW RT image processing system. Basically the gateway (HMS-Anybus) is nothing else than a shared memory space which is accessible from the Profibus - both RS-232, which seems to me a very simple and effective solution.

What I would do in order to investigate the problems of synchronization (existing?) in the system is the following:

I have a DF-Profi II PXI rack and want to connect to the Profibus network and use LabVIEW to watch/journal communication between S7 and RS-232 on the bridge.

Is this possible? Can someone give me some advice how configure the DF-Profi II? It should be mode "master", wouldn't it?

So that would be 2 masters (S7 + DF-Profi) on the bus then?

Some information is greatly appreciated

Thank you

HU

Hello hurbaine,

in my opinion, a Multimaster network is what you need. See also this link:

http://www.Automation.Siemens.com/WW/Forum/guests/PostShow.aspx?PageIndex=1&PostID=160971&language=d...

There is more information on the device that you want to use on this page:

http://www.ComSoft.de/de/geschaeftsbereiche/industrielle-Kommunikation/Produkte/PROFIBUS-Produkte/BA...

Best regards!

Moritz M.

Tags: NI Products

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