Em 3/1/2012 16:37, KPL escreveu:
>> The MOC3041 is a ZC opto-triac, so if you're using an opto
>> anyway there's no added complication to the design
> Yes, I'm using MOC3062 which kas ZC detecting, but controller has to
> know when to instruct a optocoupler to open. Otherwise it will not be
> in sync. Am I wrong?


The MOC only turns the TRIAC on at zero crossing. The TRIAC only turns
off at the next zero crossing by itself.
Simply turn the optocoupler on for slightly over one half-cycle and it
is guaranteed that the TRIAC will be on for exactly one half-cycle.

Isaac

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