You are probably better off doing this in hardware. Here is how I do it. 
The enable output from the computer operates a relay that is part of the 
estop chain. I have a button with a contact that goes directly across 
this relay. The button has another contact that tells the computer to 
reset. When you press the button it closes the estop chain (assuming 
nothing else  on the chain is open) so the computer is happy.

If you want extra safety, have two buttons, one to bypass the relay, one 
to enable the drives. This way you need to press both buttons to enable 
the machine.

Les
 

Kasey Matejcek wrote:
> Is there a way to have emc come out of estop and be in estop reset 
>
> When I hit the reset button for the estop chain on my machine
>
> Witch pin do I need to link to  to make this happen I've messed around and
> haven't got anywere to speak of
>
> I tied ppmc.0din.14.in to estop-latch.0.reset this work some of the time but
> no always and then it disables the F1 key from resting the estop because
> I've unlinked that
>
> I tried to Or that input together and that didn't seem to work ether 
>   
-

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