Re: [CAD_CAM_EDM_DRO] Hurco KM-3 retrofit

On 5/18/2012 9:21 PM, David G. LeVine wrote:

> As a matter of probabilities, 2 wires generally means either NO or NC
> microswitches, I would assume NC, but who knows.
>
> Check another limit switch after disconnecting it, preferably with the
> same part number. If it is open until the actuator is depressed, NO,
> otherwise NC. Often 2 wire switches are simple microswitches. Look at
> the part and see if you can find a manufacturer's designation.
>
> If there appears to be no actuator (button, lever, wire, etc.), try a
> magnet. Once you understand what is going on, things will be easier to
> work with.
>
> Dave 8{)

It's been a few hours since I saw them, but I seem to recall 3 wires.
They say Microswitch on the side, but no part number. The business end
is just square plastic. Maybe a reed switch?
I'll take a magnet on the next visit.

Thanks everyone for your input!

--


Ron Thompson
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