Re: Gecko Fault/Reset Manager

--- In CAD_CAM_EDM_DRO@y..., "awallin25" <anders.wallin@h...> wrote:

>
> > Also I'm wiring up home switches. I plan on using the encoder >
> index
> > pulse and a micro switch. Both will be inputed to a 74LS00 IC.
> > Question is, Can I wire direct or do I need a resistor for the
> encoder
> > index. Three gates are used, X,Y, and Z. But EMC only needs one
> input
> > ,... can I tie the three gate's output together?
>
> you would probably consider one axis homed when both the home switch
> is on AND you get an index signal from the encoder.
> But you need to tell EMC when any axis is at home, so i guess the
> solution would be:
> AND together the home switch and encoder index for each axis.
> OR together the results and wire the result to the EMC home input.
>
> EMC users: can you tell me how EMC does "homing" ? I would guess

this

> has to be done one axis at a time ?

You don't tell EMC when an axis is at home rather the switch does.
When you select "home" for an axis "that" axis moves toward the
switch, trips it then moves back a set distance. Because of this the
switches are parallel. Just didn't know if I could parallel the gates
output.

Frank