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Question regarding dc supply

9/21/2021 7:16 AM	Rate (0)
Vihari243 Posts: 3 Rating: (0)	hi Im facing same issue but in s7 200 plc in circuit 24v dc supply for module and 24v dc supply for sensor are from different smps Is it the problem? ------------------------------------------------------------------------------------------ Split from analog input showing high value. Attachment IMG_20210921_104307 (2).jpg (532 Downloads)
Vihari243 Posts: 3 Rating: (0)	Last edited by: Jen_Moderator at: 09/21/2021 09:48:04 New subject after splitting
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10/2/2021 11:17 AM	Rate (0)
Duris_I Diamond Expert Joined: 4/28/2015 Last visit: 11/27/2025 Posts: 10970 Rating: (843)	Hello, read for sure documentation to S7-200 how connect AI but I don't see problem generally to have sensor with own power supply.
	With best regards... Ivan Duris Flight: OMICO
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10/5/2021 11:53 AM	Rate (0)
Mr.V Silver Member Joined: 6/19/2019 Last visit: 10/24/2025 Posts: 743 Rating: (79)	I will better connect M to same place from both smps

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