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SM1234 AI4/AQ2 Input data not available

12/28/2024 5:46 AM	Rate (0)
fredrik_163 Joined: 11/17/2024 Last visit: 10/23/2025 Posts: 7 Rating: (0)	Hi, I have problem to connect my SM1234 correct. It is flashing red. I have updated to firmware 2.1.1 but it says 2.1 in Tia Portal. It is a S7 1200 1215C with firmware 4.6 I have not connected any sensors yet but I have disabled short circuit diagnostics. I would like to have some assistance here

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12/28/2024 8:11 PM	Rate (0)
Hati Platinum Member Joined: 9/21/2012 Last visit: 1/12/2026 Posts: 4847 Rating: (512)	Are you 100% sure that the article number matches fully to the real hardware?

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12/28/2024 9:17 PM	Rate (0)
fredrik_163 Joined: 11/17/2024 Last visit: 10/23/2025 Posts: 7 Rating: (0)	Yes, the hardware number matches 100%.

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2/13/2025 5:52 PM	Rate (0)
fredrik_163 Joined: 11/17/2024 Last visit: 10/23/2025 Posts: 7 Rating: (0)	I have solved the issue. It was the analog module that was broken. I replaced it and now it works. Thanks

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This contribution was helpful to 2 thankful Users 0_Einstein Moderator_Lan

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