Electromagnetic valve driving circuit composed of the optical coupler

Published:2011/8/26 0:43:00 Author:TaoXi | Keyword: Electromagnetic valve, driving circuit, optical coupler | From:SeekIC

The electromagnetic valve driving circuit composed of the optical coupler is as shown in the figure. In this circuit, the TLP521-1 optical coupler isolates the input circuit and output circuit, the input circuit is the TTL level circuit, the output is the AC 220V electromagnetic valve, also the output can use the relay to control.



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