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Profibus connection to a DP/DP coupler

Created by: Gustaf_ at: 12/13/2012 4:11 PM (19 Replies)

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12/18/2012 4:44 PM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 1/14/2026 Posts: 12481 Rating: (2722)	Hello Gustaf; Once more: What does your diagnostic buffer say about this? Hope this helps, Daniel Chartier

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12/18/2012 4:54 PM	Rate (0)
Gustaf_ Posts: 50 Rating: (0)	Nothing :( The indictaors: CPU1: SF ON BF1 Flash CPU2: SF ON BF1 Flash DP/DP Coupler SF1 On SF2 On BF1 On BF2 On ON1 On ON1 On It does not matter if I unplug the cables ... the same result ... Attachment C:\diagnostic buffer1.jpg (614 Downloads)
Gustaf_ Posts: 50 Rating: (0)	Last edited by: Gustaf_ at: 12/18/2012 5:23 PM Last edited by: Gustaf_ at: 12/18/2012 5:07 PM
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12/18/2012 5:24 PM	Rate (0)
Gustaf_ Posts: 50 Rating: (0)	Diag Attachment C:\diag1.jpg (511 Downloads)
Gustaf_ Posts: 50 Rating: (0)
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12/18/2012 5:25 PM	Rate (0)
Gustaf_ Posts: 50 Rating: (0)	more diag Attachment C:\diag2.jpg (514 Downloads)
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12/18/2012 5:36 PM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 1/14/2026 Posts: 12481 Rating: (2722)	Hello Gustaf; Well, it looks like point 4 in the diagnostic buffer is pointing to a loss of synchronisation with a DP slave, which confirms the BF LEDs (pointing to a problem with some nodes on the bus. So we would be interested in looking at thid entry and others pointing oin the same direction. We would also need to see differnet screencaptures of your Profibus configuration, notably both sides of the DP/DP coupler. One thisng you could do also is to go Online with the CPu while the HWConfig edito is open. This will bring up a diagnostic view of all nodes, ith a red cross on slaves that are not functionnal. Right-clicking on these will open their diagnostic buffer for indvidual messages. Hope this helps, Daniel Chartier

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12/18/2012 5:37 PM	Rate (0)
Gustaf_ Posts: 50 Rating: (0)	The address on the switch should map this address ? Or the next picture ? What address should I select ? Attachment C:\address1.jpg (518 Downloads)
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12/18/2012 5:38 PM	Rate (0)
Gustaf_ Posts: 50 Rating: (0)	And this Attachment C:\address2.jpg (505 Downloads)
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12/18/2012 5:50 PM	Rate (0)
Gustaf_ Posts: 50 Rating: (0)	You do not have time to do PLC configurations, for two PLC with the DP/DP coupler ? CPU 315 (315-2EH14-0AB0) DP/DP coupler: 158-0AD01-0XA0 ?
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12/19/2012 11:54 AM	Rate (0)
Gustaf_ Posts: 50 Rating: (0)	I have configured according to below ... but still not working .......... ================================================================ CPU1 (Node/master system = 10) (Properties on DP/DP coupler) MP/DP properties (Interface PROFIBUS address = 2) 64 Switch left 32 Switch left 16 Switch left 8 Switch right 4 Switch left 2 Switch right 1 Switch left ADDR Switch left DIA Switch right PS Switch right ================================================================= ================================================================ CPU2 (Node/master system = 20) (Properties on DP/DP coupler) MP/DP properties (Interface PROFIBUS address = 2) 64 Switch left 32 Switch left 16 Switch right 8 Switch left 4 Switch right 2 Switch left 1 Switch left ADDR Switch left DIA Switch right PS Switch right =================================================================
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12/21/2012 11:56 AM	Rate (0)
Jr_Jrsolutions_BR Posts: 38 Rating: (0)	Hello Gustaf_ You can check the adress to both link to DP/DP coupler , because one time i have the same problem and the problem was no silk print to the adress , you can check using the PC Adapter in the PG / PC interface and select the option only master in the bus. Nilton Junior
Jr_Jrsolutions_BR Posts: 38 Rating: (0)
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