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Sinamics Master/Slave with CBE20 No cyclic connections

Created by: Youssef_DA at: 12/11/2014 4:45 PM (8 Replies)

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12/11/2014 4:45 PM	Rate (0)
Youssef_DA Regular Member Joined: 6/20/2014 Last visit: 7/5/2024 Posts: 21 Rating: (1)	Dear, I'm trying to establish communication between 2 drives (master/slave torque sharing), using CBE20. The green led in both CBE20 is on, and the red led is flashing. I get alarm 8526: COMM. BOARD : No cyclic connections. p8839 tried all combinations with both drives restart, still no progress. I'm trying to send the actual torque of the master to the slave drive. Please help. Regards. B.Y.

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12/11/2014 5:10 PM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 11/11/2024 Posts: 22445 Rating: (3029)	Hi, have you a IO-Controller like S7-300 in you project?` Regards Christoph

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12/11/2014 5:16 PM	Rate (0)
Youssef_DA Regular Member Joined: 6/20/2014 Last visit: 7/5/2024 Posts: 21 Rating: (1)	hi, Yes, a simatic S7-400. The drive communication to PLC, is trough Profibus and it's OK for both drives. The problem is master to slave communication trough CBE20. regards. B.Y.

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12/11/2014 5:21 PM	Rate (0)
A.Gabardo Posts: 87 Rating: (7)	Hi. Which drivers are you using? Please Check the parameters "Name of Station" and "IP of Station" (r61000, r61001). Regards.
A.Gabardo Posts: 87 Rating: (7)
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12/12/2014 7:39 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 11/11/2024 Posts: 22445 Rating: (3029)	Hi, would you use the Feature SINAMICS-LINK? check the setting of p8835. Is the PROFIBUS to the S7-400 isonchronous? Wich CU you use and which FW Version? Regards Christoph
	Last edited by: ChristophD at: 12/12/2014 7:49 AM
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12/12/2014 9:22 AM	Rate (0)
Youssef_DA Regular Member Joined: 6/20/2014 Last visit: 7/5/2024 Posts: 21 Rating: (1)	Hi, The r.61000 in both drives is empty r61001 in master is 169.254.11.33 in slave is 169.254.11.34 CU320 2 DP FW 4402330 [r.18] p8835 := 3 [Sinamics link] in both drives. Profibus is not isochronous. Regards. B.Y.
	Last edited by: Youssef_DA at: 12/12/2014 9:24 AM Last edited by: Youssef_DA at: 12/12/2014 9:23 AM
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12/13/2014 12:26 PM	Rate (0)
Youssef_DA Regular Member Joined: 6/20/2014 Last visit: 7/5/2024 Posts: 21 Rating: (1)	Dears, I tried to follow the here attached procedure, but I couldn't findp8811 and p8812. Any suggestions. Regards. B.Y. Attachment SINAMICS S120 Function Manual Drive Functions - Example.pdf (384 Downloads)

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12/17/2014 2:31 AM	Rate (1)
A.Gabardo Posts: 87 Rating: (7)	Hi Youssef_DA Follow below in the attachment some information about Sinamics Link I hope this help you. Regards. Attachment Sinamics Link.zip (504 Downloads)
A.Gabardo Posts: 87 Rating: (7)
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12/17/2014 9:18 AM	Rate (0)
Youssef_DA Regular Member Joined: 6/20/2014 Last visit: 7/5/2024 Posts: 21 Rating: (1)	Dear, Thanks for the valuable help. The mistake was isochronous mode not enabled for CBE20. After enabling, the cyclic connection alarm disapper. Best regards. B.Y.

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