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Communication failure between KTP700 v15 and 1214c v4.7

11/26/2025 2:18 PM	Rate (0)
AutoGen_8626327 Joined: 4/13/2024 Last visit: 9/18/2025 Posts: 2 Rating: (0)	Bom dia Estou com falha comunicação com ihm ktp700 v15 e clp 1214c v17; mesmo no simulador acontece a falha, porém quando ao alterar a versão da ihm para v17 a comunicação fica ok.
	Last edited by: Moderator_Lan at: 11/26/2025 14:37:50 Title translated
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11/26/2025 2:23 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 12/16/2025 Posts: 36307 Rating: (4541)	Hello AutoGen_8626327, English is the desired language in this forum. Please be so kind and write your posts in English. Thanks. I translate your post to English: AutoGen_8626327 Good morning I'm having communication problems with the KTP700 v15 HMI and the 1214C v17 PLC; the problem occurs even in the simulator, but when I change the HMI version to v17, the communication is fine.

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11/27/2025 7:19 AM	Rate (0)
Tarwar Expert Joined: 7/31/2020 Last visit: 12/16/2025 Posts: 400 Rating: (20)	Hello, Please take a look at the following post on this topic: Connecting older HMI to S7-1500/1200 with newer firmware Best regards

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