Published:2011/4/29 1:15:00 Author:Ecco | Keyword: Relay, status indication | From:SeekIC
Figure shows the relay status indication circuit. The relay has one or more sets of contacts, If the public end of a group of contacts connects to VDD, the public end will connect to normally closed contacts in releasing state, and LED-R emits red light; the public end will connect to normally open contacts in pulling state, and LED-G emits green light.
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