driver fault?

[rmachinist]

Hi,
when using closed loop steppers the drive fault can that be wired along with the E-Stop?

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[CitizenOfDreams]

Not directly. E-Stop is typically a pair of NC contacts, and drive fault is typically an open collector output.

You could wire all your drive fault outputs to a small auxiliary relay, and then wire that relay in series with the E-Stop.

[rmachinist]

Not directly. E-Stop is typically a pair of NC contacts, and drive fault is typically an open collector output.

You could wire all your drive fault outputs to a small auxiliary relay, and then wire that relay in series with the E-Stop.

I don't understand could you draw it out? Relay what one to buy?

[CitizenOfDreams]

Something like this. Pretty much any small relay SPDT relay will work, as long as it has the right coil voltage.

[rmachinist]

Something like this. Pretty much any small relay SPDT relay will work, as long as it has the right coil voltage.

Thanks I understand now. Pony tail all 3 drives to relay to the e-stop button to the bob

[CitizenOfDreams]

Yep, that's it. Don't forget the diode to keep the drives safe from back EMF.