See attached PDF for a circuit that uses 4 SDPT switches to provide bi-directional motor control with limits.

        Frank P.

On 12/16/2010 4:01 PM, neroc wrote:
Thank you for that Frank although I dont nearly understand it Im sure
I could follow it ,I presume the figure of a black triangle with a
line above it is a diode ? I could be wrong .Please forgive my lack of
knowledge , I had far too much fun at Comprehensive school :)

The situation I plan to use this `hight limit system` is for a FA that
will be controlled by a tethered lead not a radio and I plan to use 4
No SPDT , partly because my motor is rated less than 12v and because I
already have SPDT switches , could I trouble you for the none 12v
relay solution please .

Thanks again
Neil R


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Attachment: Motor Control - Switches & Limits.pdf
Description: Adobe PDF document

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