Hi

This was actually the same I had in mind ;-)
I have a small latching relay (so the current will remain switched of)
a LED, a microswitch for on the fork and on the pier there are already
for switches that I wanted to use as panic buttons. As I am complete
electronics newbe, I have done everything from first principles. I
will try if it works tonight, and let u know

Bjorn

P.S. If i remember correctly thesky only stops movements that END in
the zone of avoidance, it does not prevent the scope slewing trough
it, but I could be mistaken.
>
> At 05:01 PM 6/14/99 +0200, you wrote:
>
> --snip--
>
> >2. There already exists software which will limit the movements of the
> >scope (SKYMAP PRO or THE SKY not sure) but this can only limit the
> >ENDING POINT of the movement, and does not check intermediate stages.
> >Then again this should never be a problem for dec limiting, only for
> >az. restrictions.
>
>
> --snip--
>
> Bjorn,
>
> TheSky (versions 4 and 5 anyway) will attempt to stop a slew if the motion
> of the scope tries to go THROUGH a limit line or ENDS WITHIN a limit area.
> This is a good first line of defense, but for remote operation or when
> students use the system, I would not rely on only the software to prevent a
> scope crash into the mount. I am currently setting up a remote system
> (about 100 feet away) for myself and will design a proximity sensor (or
> possibly micro-switches) and a relay to shut down the scope if a collision
> is imminent. I would not trust only a single software or hardware technique
> to shut down the scope. I will be happy to send you the design when it is
> completed and tested.
>
> Good luck,
>
> Richard
>
>


--


Bjorn Heijligers Tel: 071-5155793
Rijnsburgerweg 37b 071-5275866 (Work)
2334 BG Leiden Netherlands Room:529
http://strw.leidenuniv.nl/~heyliger
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