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The port cabling or configuration is inconsistent

Created by: PTHVN at: 6/12/2019 10:27 AM (10 Replies)

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6/12/2019 10:27 AM	Rate (0)
PTHVN Regular Member Joined: 4/1/2019 Last visit: 1/14/2025 Posts: 20 Rating: (0)	Hi everyone, i have a connection between arduino and plc s7 1500 by using modbus tcp ip, But CPU s7 1500 show error " Error: Error on partner - No neighbor could be detected PLC / PLC.Port_1" Next, i go to help on event and read. I think i need Apply the device name of the partner to the port interconnection. But how i can do it ? I think i need assigned and notice to PLC, this partner is safe and PLC will understand. So i need some helps, thank so much I'm using arduino + ethernet shield + ethernet cable > PLC Attachment 1.png (1460 Downloads)

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6/12/2019 10:35 AM	Rate (1)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 3/21/2025 Posts: 22596 Rating: (3056)	hello, do you have some topology configured on this plc port? if you only need modbus then you need no topology or name. regards christoph

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6/12/2019 11:42 AM	Rate (0)
PTHVN Regular Member Joined: 4/1/2019 Last visit: 1/14/2025 Posts: 20 Rating: (0)	Hi christoph, this is mine topylogy Attachment 2.png (1498 Downloads)

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6/12/2019 11:44 AM	Rate (0)
PTHVN Regular Member Joined: 4/1/2019 Last visit: 1/14/2025 Posts: 20 Rating: (0)	I think port 1 has problem, but i disconnect port 1, and error still show. Although i reset plc, the error always shows that, Attachment 3.png (1231 Downloads)

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6/12/2019 11:51 AM	Rate (2)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 3/21/2025 Posts: 22596 Rating: (3056)	hello, in you screen is the network not the topology. open the tab topology view, is here a green line delete it, recompile and download. regards christoph

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This contribution was helpful to 2 thankful Users iambigand jairogarcia1986

6/12/2019 12:02 PM	Rate (0)
PTHVN Regular Member Joined: 4/1/2019 Last visit: 1/14/2025 Posts: 20 Rating: (0)	Hello, It did't work, i did as you recommended. So Is there another way to fix that ? Attachment 4.png (1376 Downloads)

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6/12/2019 12:05 PM	Rate (2)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 3/21/2025 Posts: 22596 Rating: (3056)	hello, you don't delete the topology! go offline open topology view delete the connection between plc and pc recompile download the projekt again to PLC download all (HWConfig and Software!) Regards Christoph

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This contribution was helpful to 6 thankful Users PTHVN GekomsLLC TheCony kiliccc.23 AutoGen_6645633 evelyn_dai

6/12/2019 12:17 PM	Rate (0)
PTHVN Regular Member Joined: 4/1/2019 Last visit: 1/14/2025 Posts: 20 Rating: (0)	Hello, i understanded and i fixed my problem. thank you so much. Best regard. Attachment 5.png (1508 Downloads)

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8/20/2022 3:07 AM	Rate (0)
BRUNO.R Member Joined: 10/2/2020 Last visit: 3/19/2025 Posts: 1 Rating: (0)	Obrigado, tive um problema semelhante, consegui resolver.

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8/20/2022 11:55 AM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 3/21/2025 Posts: 12344 Rating: (2707)	Translation from the Portuguese text: BRUNO.R Thank you, I had a similar problem, I managed to solve it. Olá Bruno, e obrigado pelo seu comentário. Para permitir que participantes de vários países se entendam no fórum, decidimos usar o inglês como idioma comum. Por favor, use o inglês em sua próxima visita. Hello Bruno, and thank you for your comment. To allow participants from many countries to understand each other on the forum we have decided to use English as a common language. Please use English on your next visit. Hope this helps, Daniel Chartier

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This contribution was helpful to 1 thankful Users Jen_Moderator

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