Basic Relay Operation for RF controller
Posted: Fri Jun 12, 2009 2:54 pm
A relay is just like a 'switch' but with power control the On and Off function. There is no voltage or current coming out from the relay contacts unless you inject power sources. Rememter, it is a SWITCH!
NO = Normally Opened
NC = Normally Closed
NO become Closed once the relay's coil energized.
NO = Normally Opened
NC = Normally Closed
NO become Closed once the relay's coil energized.