Re: [CAD_CAM_EDM_DRO] Re: Re: How to ...repeat home position...honeywell ss441A

ballendo@... wrote:

> Dave,
>
> Thank you.
>
> I'll be ordering some soon. Hope my results match yours.
>
> One concern (raised by the spec sheet and your plan to use them as
> "limit" switches). I am thinking of them for "home".
>
> >From the spec sheet:
>
> NOTICE: Interruption of power to a latching device may cause the
> output to change state when power is restored. If a magnetic field of
> sufficient strength is present, the sensor output will be in the
> condition dictated by the magnetic field.
>
> Could this set up a situation where the limit switch doesn't?
> Powerline spikes, etc. ?? Seems like it could be okay, but some
> testing is probably in order?
>
> Ballendo

It might be wise to force a logic state where if the power fails then one must manually reset and startup procedure which implies
moving the bed away from the limits!

Dave

>
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