estop issue
- jyeomans
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22 Feb 2025 15:24 #322274
by jyeomans
estop issue was created by jyeomans
i am not sure whether this is a hal issue or an issue with qtdragon_hd.
i have just installed 2.9 the newest build,
and rebuilt my machine. on my old machine the esop on the screen and the physical estop worked independantly.
now the estop on the screen only reflects the physical button. may be this is the way it is ment to work and i just had somthing different.
i liked it as i get the button on the oppiset side form the screen and i had an estop on both sides of the machine.
i have just installed 2.9 the newest build,
and rebuilt my machine. on my old machine the esop on the screen and the physical estop worked independantly.
now the estop on the screen only reflects the physical button. may be this is the way it is ment to work and i just had somthing different.
i liked it as i get the button on the oppiset side form the screen and i had an estop on both sides of the machine.
# --- ESTOP-EXT ---
net estop-ext <= hm2_7i76e.0.7i76.0.0.input-11
# ---estop signals---
net estop-out <= iocontrol.0.user-enable-out
net estop-ext => iocontrol.0.emc-enable-in
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- tommylight
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22 Feb 2025 16:53 #322278
by tommylight
Replied by tommylight on topic estop issue
That should be the proper way, it should not be possible to enable the machine on screen while any of the e-stop buttons are pressed.
now the estop on the screen only reflects the physical button. may be this is the way it is ment to work and i just had somthing different.
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- rodw
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22 Feb 2025 19:12 #322293
by rodw
Replied by rodw on topic estop issue
What GUI? some do funky stuff.
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22 Feb 2025 19:53 #322298
by jyeomans
Replied by jyeomans on topic estop issue
i am usine qtdragon_hd.
on my old setup
the michine will not run if the physical button is pressed.
but i coluld pres the software estop to kill the michine.
in the new build i can not press the software button. it is only a reflection of the physical button.
on my old setup
the michine will not run if the physical button is pressed.
but i coluld pres the software estop to kill the michine.
in the new build i can not press the software button. it is only a reflection of the physical button.
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- rodw
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23 Feb 2025 00:05 #322323
by rodw
Replied by rodw on topic estop issue
You should use estop-latch
There is an example in hal examples on the forum
and this video
There is an example in hal examples on the forum
and this video
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- tommylight
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23 Feb 2025 00:29 #322325
by tommylight
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Yes, there are instances when it is very useful, but not on simple/hobby/small machines, and especially not for beginners.
Replied by tommylight on topic estop issue
Why?You should use estop-latch
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Yes, there are instances when it is very useful, but not on simple/hobby/small machines, and especially not for beginners.
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23 Feb 2025 00:40 #322328
by tommylight
Replied by tommylight on topic estop issue
Both of those versions can be correct.
on my old setup
the michine will not run if the physical button is pressed.
but i coluld pres the software estop to kill the michine.
in the new build i can not press the software button. it is only a reflection of the physical button.
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- rodw
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23 Feb 2025 07:36 #322342
by rodw
QT dragon works well with my setup (as does Axis) I don't use estop_latch with it.
Replied by rodw on topic estop issue
The video (not mine) explains why. My last couple of machines I used a safety relay so estop is external and I utilised an external reset button but I did test and consider using user_request_enable. You should not depend on a software estop if you have ired one in anyway.
You should use estop-latch
Why?
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Yes, there are instances when it is very useful, but not on simple/hobby/small machines, and especially not for beginners.
QT dragon works well with my setup (as does Axis) I don't use estop_latch with it.
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