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LOGO! BA8 no longer accessible.

Created by: Tcmatik at: 4/23/2023 11:06 AM (7 Replies)

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4/23/2023 11:06 AM	Rate (0)
Tcmatik Experienced Member Joined: 3/30/2014 Last visit: 10/14/2025 Posts: 88 Rating: (0)	I have a total of 6 LOGO! BA8 in my network. 2 of them are no longer accessible from LSC. Despite the fact that they are in RUN mode and the LAN connection is active. For the sake of clarity, this LOGO! have no screen or buttons. My TDE has also lost access. Anyone have any idea how I can solve this?

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4/23/2023 11:43 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 12/25/2025 Posts: 36377 Rating: (4543)	Does the home network run via a router, e.g. a Fritz!Box? If yes, is DHCP active? And are the IP addresses of the LOGOs in the DHCP range?

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4/23/2023 12:08 PM	Rate (0)
Ella_68 Gold Member Joined: 6/11/2019 Last visit: 12/22/2025 Posts: 2709 Rating: (124)	Hello Tomatik, Have you ever tried a direct connection between the logo and the PC ?

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4/23/2023 1:22 PM	Rate (0)
Tcmatik Experienced Member Joined: 3/30/2014 Last visit: 10/14/2025 Posts: 88 Rating: (0)	The modem is also a router. This handles the DHCP. Never changed anything. The LOGO! are fixed from x.x.x.60 to x.x.x.70 I have had the 2MD08-0BA1 since 23/03/2020 together with 2 others. The 2MD08-0BA0 since 23/09/22. And from the beginning fixed IP used. Everything worked flawlessly until yesterday. The only thing I have done today is that I have now placed a memory card in the 0BA0.
	Last edited by: Tcmatik at: 04/23/2023 13:25:39
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4/23/2023 1:33 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 12/25/2025 Posts: 36377 Rating: (4543)	DHCP means that the router automatically assigns the addresses. However, it cannot do this with the LOGO!s and they are not recognized by the router either. It can therefore happen that he assigns the same IP addresses to new devices such as smartphones, laptops, etc. I have assigned IP addresses to my LOGO!s outside of the DHCP range. Why did you put an SD card in it? Is the LOGO program with a different IP address on the SD card?

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4/23/2023 2:24 PM	Rate (0)
Tcmatik Experienced Member Joined: 3/30/2014 Last visit: 10/14/2025 Posts: 88 Rating: (0)	The SD card is brandnew. Finally! Problem found. The 2 LOGO!s, TDE and HMI are currently on an expiremental board. Also a network switch. And now let the UTP connector that goes to the other switch have come loose. So problem solved. Still, thanks for thinking along.

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4/23/2023 2:25 PM	Rate (0)
Tcmatik Experienced Member Joined: 3/30/2014 Last visit: 10/14/2025 Posts: 88 Rating: (0)	Problem solved. Still, thanks for thinking along.

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4/23/2023 2:26 PM	Rate (0)
Tcmatik Experienced Member Joined: 3/30/2014 Last visit: 10/14/2025 Posts: 88 Rating: (0)	ixo65 DHCP means that the router automatically assigns the addresses. However, it cannot do this with the LOGO!s and they are not recognized by the router either. It can therefore happen that he assigns the same IP addresses to new devices such as smartphones, laptops, etc. I have assigned IP addresses to my LOGO!s outside of the DHCP range. Why did you put an SD card in it? Is the LOGO program with a different IP address on the SD card? The SD card is brandnew. Finally! Problem found. The 2 LOGO!s, TDE and HMI are currently on an expiremental board. Also a network switch. And now let the UTP connector that goes to the other switch have come loose. So problem solved. Still, thanks for thinking along.

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