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DP slave communication status with DP master using SFC51

Created by: KG* at: 3/29/2012 8:39 AM (2 Replies)

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3/29/2012 8:39 AM	Rate (0)
KG* Posts: 13 Rating: (0)	Dear All, I want to read the DP slave communication status with a DP master in a DB. The system is S7-300 Redundant. I am using SFC 51 with its SSL-ID as W#16#B4. Where will i get busy or no access status , in which byte of the DB? Can anyone help me out with this? Thanking in advance.
KG* Posts: 13 Rating: (0)
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4/1/2012 4:03 PM	Rate (0)
jklm Platinum Member Joined: 12/22/2006 Last visit: 1/25/2022 Posts: 1742 Rating: (309)	Hello, I would use list 0694 as dscribed here: How do you find out the status of the stations of a DP master system or of a PROFINET IO system?: http://support.automation.siemens.com/WW/view/en/31895566 You will get one bit per slave. 1 = not OK
	Best regards jklm Suggestion was helpful? Feel free to rate it.
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4/1/2012 4:56 PM	Rate (0)
hdhosseini Diamond Member Joined: 1/28/2009 Last visit: 1/19/2025 Posts: 6858 Rating: (1366)	Hello , Also check the samples here: I wanna know when DP Slave has a failure - OB86 Best regards, Hamid Hosseini
	Demo Channel on Youtube
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