>There are pins to control various aspects of the e-stop and machine-on
>behaviour, spread through three areas:
>
>iocontrol.0.emc-enable-in (Bit, In) Should be driven FALSE when an
>external estop condition exists.
>iocontrol.0.user-enable-out (Bit, Out) FALSE when an internal estop
>condition exists
>iocontrol.0.user-request-enable (Bit, Out) TRUE when the user has
>requested that estop be cleared
>
>motion.enable IN BIT If this bit is driven FALSE, motion stops, the
>machine is placed in the "machine off" state, and a message is
>displayed for the operator. For normal motion, drive this bit TRUE.
>
>halui.machine.is-on bit out pin for machine is On/Off
>halui.machine.off bit in pin for setting machine Off
>halui.machine.on bit in pin for setting machine On
>
>I have only just noticed the motion.enable pin, and it might be the
>one I want, so perhaps I am answering my own question.
>
>I want to turn on the servo power supply as soon as the machine is
>taken out of e-stop, but don't want to be able to enter the "machine
>on" state until I get a power-good signal.
And maybe add an indicator on the screen somewhere to show the power
status just so that you know what is casuing the thing not to want to
start. I have a feeling that I used this pin a long time ago on a
machine with a safety gate. The gate switch was connected to this pin (
as I recall ).
>
>
>What is the best way to achieve that? I have something similar on my
>milling machine but I have a feeling that that automatically turns the
>machine on, rather than blocking turning the machine on.
>(I ought to investigate in more detail, and with a more contrast-y
>colour scheme)
>
>--
>atp
>If you can't fix it, you don't own it.
>http://www.ifixit.com/Manifesto
>
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