I know there are often many ways to get to the same result with components, but...
Hopefully these don't seem like really silly questions:
If I understand some of this, using an Optoisolator to feed a Triac can indeed then control an AC or DC powered load, and keep the load isolated from the logic control side of the Optoisolator. Does this setup function just the same as a SSR (Solid State Relay), or does the SSR still have to feed a Triac? ...when would the SCR be used instead? ...does the Optoisolator/triac combo or the SSR really function jsut as the electromechanical relays do in that when energized, a current can flow through the switched contacts, and when not energized, the circuit is open, and not current will flow?
When is it that a SCR would be used instead of a Triac to switch a load or other low voltage circuit that is carry data and not a current load as in a lamp or motor?
Here is an Optocoupler:
https://www.fairchildsemi.com/ds/MO/MOC3010-M.pdf
Here is a SSR (Solid State Relay):
**broken link removed**
Thanks for any help in further explaining some of this...
Michael
Hopefully these don't seem like really silly questions:
If I understand some of this, using an Optoisolator to feed a Triac can indeed then control an AC or DC powered load, and keep the load isolated from the logic control side of the Optoisolator. Does this setup function just the same as a SSR (Solid State Relay), or does the SSR still have to feed a Triac? ...when would the SCR be used instead? ...does the Optoisolator/triac combo or the SSR really function jsut as the electromechanical relays do in that when energized, a current can flow through the switched contacts, and when not energized, the circuit is open, and not current will flow?
When is it that a SCR would be used instead of a Triac to switch a load or other low voltage circuit that is carry data and not a current load as in a lamp or motor?
Here is an Optocoupler:
https://www.fairchildsemi.com/ds/MO/MOC3010-M.pdf
Here is a SSR (Solid State Relay):
**broken link removed**
Thanks for any help in further explaining some of this...
Michael