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In a message dated 5/22/01 11:17:43 PM Eastern Daylight Time, writes: > Hello- > > I just can't remember this... What is needed for the BX-24 to trigger a > (9V) relay? I vaguely remember some sort of diode arrangement to prevent > any current from going back into the BX-24 after the relay is de-energized, > but wouldn't the transistor absorb this? Have I gone crazy, or am I > correct? Thanks :) > > TM TM: Usually, you would put a diode across the emitter and collector of the transistor in reverse, also you can put a diode in reverse across the coil of the DC relay. Hope this helps you. It will prevent the surge you get when the field in the coil collapses. Regards, Randy Abernathy Woodworking Machine Specialist 4626 Old Stilesboro Road NW Acworth, GA 30101-4066 Phone/Fax: 770-974-5295 E-mail: [Non-text portions of this message have been removed]

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