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Back emf at ac relays

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mrtrusted

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mrtrusted

Joined Feb 18, 2020
9
I have testted today last design i send . I saw back emf(error) again.
This time, i have added MOV with serial resistance between dc relays common contact and normally open contact.
I have tested since the morning. There is no error. I think the problem has been solved. I will test a couple days.
 

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