5/6/2014 10:13 AM | |
Posts: 133 Rating: (0) |
deardchartier, The coupler you are talking about is used for data transfer between two masters in two different Profibus -networks. But my case consistes of two masters in the same Profibus network.
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5/6/2014 10:33 AM | |
Joined: 10/7/2005 Last visit: 6/28/2024 Posts: 3008 Rating: (1052)
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Does it really? From your first post it appears that you want to add an additional DP Master interfaceto your IM151station. If so, simply add a meter of Profibus cable to connect this new DP Master interface toone port of the DP/DP coupler and then connect the other port of the DP/DP coupler to your existing Profibus Network. The result: The two DP masters can exchange data and areeach in their own Profibus Network. P.S: Even if you already have two DP Masters on the same physical Profibus Network (aka Multi Master system), you can still additionally add a DP/DP coupler to this and use it to exchange data between the two DP Masters. I hope this helps |
Last edited by: fritz at: 5/6/2014 11:58 AMtypos Cheers |
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5/6/2014 11:10 AM | |
Posts: 133 Rating: (0) |
sorry guys for not being clear, Attached here is my configuration: A simatic station (master) and an IM151-7(second interface which is master). Now I want to know if that is the wright coupler to use ? If so, how the coupler can be configured and how can the Simatic station read the data of IM151-7 ? Is it a direct access (EW 0, EW 2...) ?
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5/6/2014 2:22 PM | |
Joined: 10/7/2005 Last visit: 6/28/2024 Posts: 3008 Rating: (1052)
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Hello allayahassine I'm afraid to say that it is now even less clear what you want to do. First you say that you have an "313C-8DP" (which is presumably a 313C-2DP) that you want to link to an IM151-7, now you say it is aSimatic PC stationthat you want to link to an IM151-7 (and show a corresponding NetPro pic). Question that come to mind are: - Which one is it? - If it is a PC Station, do you run a Soft PLC that needs to exchange DP /I/O data with the IM151-7 oris it a SCADA application that needs to communicate with the IM151-7? What exactlyare you trying to do? etc.? etc.? As it is and based on the info you supplied, it is a tough and highly speculative calltrying to give you meaningful answers. As such, allow me to suggest the following: Study the available manuals. Use search at https://support.automation.siemens.comto find the info you are after (plenty of FAQ's, manuals and Forum entriescan be foundthat should help you answering your initial questions yourself). I questions still exist afterwards, come back here by any means to seek advice, but please describe your problem clearly. I hope this helps |
Last edited by: fritz at: 5/6/2014 2:23 PMCheers |
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5/6/2014 3:11 PM | |
Posts: 133 Rating: (0) |
forget about the 313C-2DP, it is a Simatic station (as shown in the picture) and it has a WinCC Flexible application. So the application (master) has to read data from the IM151-7 (master), I guess now it is clear. |
5/6/2014 6:16 PM | |
Joined: 9/27/2006 Last visit: 6/29/2024 Posts: 12264 Rating: (2673) |
Hello allayahassine; I guess you are now aware that asking a complete and clear question the first time is the best way to approach the forum for information. Try it for your next enquiry. Now, an HMI station is considered a Profibus master, yes, but it is a master class 2, since it does not hold a stringent slave configuration, and can directly connect to the other class 1 masters on the network, You do not need program blocks for these exchanges, only to configure the Profibus link properly in your WinCC Flexible application. You will find complete description of the procedure in the following general manual: SIMATIC HMI WinCC flexible 2008 Communication Part 1 And in the WinCC Flexible Profibus-DP communications manual included in this FAQ: Hope this helps, Daniel Chartier |
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