Load sensor LSE application circuit

Published:2011/6/25 10:09:00 Author:Fiona | Keyword: Load sensor | From:SeekIC

The device's electrical circuit is shown as the below picture.Plug in CT, because the normally closed contact j1 of the relay J is closed,the lamp H lights, and because the normally open contact j2 breaks,④ pin of the LSE outputs the low level,at this time the transistor VT conducts.When VT conducts,the relay J is closed, contact j1 breaks,H breaks,at the same time,the contact j2 is closed, so t④ pin of the LSE outputs the high level, transistor VT breaks,the relay J releases,the contact j1 closes again, H is lit, contact j2 breaks again ... ... so the work cycles to cycle, leading to the lamp H flashing.



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