Yes I know that the goto switch stops the movement (but thx for your
reply)
Regretfully this is not enough. First of all the telescope will mostly
be controlled by computer, so the keypad wont be immedialty at hand.
MOreover
as this telescope is intended for the use with students I need something
more FOOL proof. On the pier are already on all sides buttonts, and i
wanted to use those to cut power.

Bjorn

La Pointe wrote:
>
> I you press the "go to" button while the telescope is slewing, it will stop
> slewing. Your panic button is already there!
>
> Rob La Pointe
> ----- Original Message -----
> Sent: Monday, June 14, 1999 1:03 AM
> Subject: [M]: Panic Button
>
> > Hi
> >
> > I have a st7 with cfw-8 mounted on my lx200. Regretfully the CCD will
> > now not pass completely trough the fork. I managed by making a custom
> > adapter ring to let the scope look at the pole, but if by some fluke
> > the scope tries to go beyond that, it will hit the fork! I dont know
> > how bad this is for the motors, but I can imagine it is not very good.
> > In order to prevent this, I would like to build a Panic button which
> > switches of the juice to the telescope at a moments notice.
> > Previously I noticed that when I pull the plug while the scope is on,
> > it will refuse to come back online for +- 10 minutes. I suppose this
> > is some kind of protection, but does it do any harm to the telescope
> > by making such a panic button?
> > I was thinking about taking a latching relais to cut the power, and
> > maybe even a microswitch on the fork , so power is automatically cut.
> >
> > If anyone has some ideas about this, I would appreciat any comments.
> >
> > If it works I could post the circuit I used (I am a complete
> > electronics illiterate, just trying it from first principles)
> >
> > With kind regards
> >
> > Bjorn Heijligers
> > --
> >
> >
> > Bjorn Heijligers Tel: 071-5155793
> > Rijnsburgerweg 37b 071-5275866 (Work)
> > 2334 BG Leiden Netherlands Room:529
> > http://strw.leidenuniv.nl/~heyliger
> > ------------------------------------------------------------
> > Who the hell is General Failure and why is he trying
> > to read my disk?
> >

--
---
Bjorn Heijligers Tel: 071-5155793
Rijnsburgerweg 37b 071-5275866 (Work)
2334 BG Leiden Netherlands Room:529
http://strw.leidenuniv.nl/~heyliger
------------------------------------------------------------
Who the hell is General Failure and why is he trying
to read my disk?

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