sahilgupta1527

how do i use this analog output and trigger a TRIAC or thyristor by this analog output ....

4 posts in this topic

sir i m using rockwell RSlogix 1400 with analog module ...
i already get analog output from analog input in this plc...
now i wanna help in to.......... how do i use this analog output and trigger a TRIAC or thyristor by this analog output ....

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You'll want to add limit logic that turns on and off a output coil tied to the physical output on the MicroLogix1400.

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why use analog signal to trigger triac or SCR? do you know how they work?

that is what digital output will do just fine, simply add current limiting resistor.

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It sounds like he wants to use an analog compare to turn on a bit. Maybe a classroom assignment?

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