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MRP ring connection diagnostics

7/25/2019 6:59 PM	Rate (0)
mrguez Posts: 8 Rating: (1)	Hi all, I have an MRP ring with an S7-1500 PLC as the MRP master and a few I/O devices. I would like to write a piece code to determine where the MRP ring is open so I can show it in an HMI screen. I have tried using OB82 with no luck. Does anyone have ideas on how I could approach this problem? Thanks! -- I am using TIA Portal V15
mrguez Posts: 8 Rating: (1)
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7/26/2019 1:35 AM	Rate (2)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 3/21/2025 Posts: 12344 Rating: (2707)	Hello mrguez; Ses if the following Profinet Library (for TIA Portal) can provide what you need: Library for Profinet data records: https://support.industry.siemens.com/cs/ww/en/view/109753067 Hope this helps, Daniel Chartier

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This contribution was helpful to 1 thankful Users mrguez

7/29/2019 11:05 AM	Rate (2)
Murof Platinum Member Joined: 8/3/2009 Last visit: 3/21/2025 Posts: 15056 Rating: (1870)	Hello mrguez Have a look at here: https://support.industry.siemens.com/cs/ww/en/view/10948324 And here is also a little Diagnostic chapter: https://support.industry.siemens.com/cs/ww/en/view/109739614 Bye Murof
	Last edited by: Murof at: 07/29/2019 11:07:30 If this Information really helps, you could use the Rate function
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This contribution was helpful to 1 thankful Users mrguez

8/2/2019 10:31 PM	Rate (0)
mrguez Posts: 8 Rating: (1)	Thanks Daniel and Murof for your tips! I used LPNDR (library for PROFINET data records) in my application. You can see the status of each port of devices in your PROFINET network among other useful information. I installed TIA Portal V15.1 to be able to use the new LPNDR version.
mrguez Posts: 8 Rating: (1)
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5/22/2021 7:12 AM	Rate (0)
OMKRIS2017 Bronze Member Joined: 1/1/2017 Last visit: 2/21/2025 Posts: 337 Rating: (11)	Thanks a Lot!

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