"iocontrol.0.user-enable-out" seems broken in latest 2.9 master
- turbostew
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20 Nov 2022 19:50 #257174
by turbostew
Replied by turbostew on topic "iocontrol.0.user-enable-out" seems broken in latest 2.9 master
Thank You Chris for all the help. Sorry, but can you be more clear what you mean when you say "you can add estop-out to the external estop chain"? What are the exact hal signal names you are referring to?
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- cmorley
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21 Nov 2022 03:07 #257190
by cmorley
Replied by cmorley on topic "iocontrol.0.user-enable-out" seems broken in latest 2.9 master
Sorry it's hard to be exact as I don't know your hardware or needs.
Based on your HAL file you selected an external estop input (estop-ext)
This says to me you want external hardware to be able to estop linuxcnc.
Usually one wants to be able to estop/reset via the GUI button, but that is not the only option.
Here are some options (sim/axis/classicladder can demo these)
1) just use the gui button (no external estop)
2) just the external estop - gui button will only set the machine off or the button can be removed
3) combined gui and external -comes out of estop immediately when both are cleared
4) combined gui and external with estop reset latch - comes out of estop when both are cleared and gui button is pressed
The chain refers to the software and hardware links.
for option 1 above (standard in the sim configs):
net estop-loop iocontrol.0.user-enable-out iocontrol.0.emc-enable-in
Here is yours (I removed debounce for clarity)
net estop-out <= iocontrol.0.user-enable-out
net estop-out => hm2_7i92.0.7i84.0.0.output-00
net estop-ext => iocontrol.0.emc-enable-in
net estop-ext <= hm2_7i92.0.7i84.0.0.input-00
estop-out is the gui signal sent out to external logic
estop-ext is the input from the logic that actually sets linuxcnc in/out of estop
If you electrically connected hm2_7i92.0.7i84.0.0.output-00 to hm2_7i92.0.7i84.0.0.input-00 The button would work normally.
If you wanted to add a hardware estop button to this, then you would add a switch between them. In that case the gui and the hardware button must be cleared to clear linuxcnc's estop state.
What do you wish to do?
Based on your HAL file you selected an external estop input (estop-ext)
This says to me you want external hardware to be able to estop linuxcnc.
Usually one wants to be able to estop/reset via the GUI button, but that is not the only option.
Here are some options (sim/axis/classicladder can demo these)
1) just use the gui button (no external estop)
2) just the external estop - gui button will only set the machine off or the button can be removed
3) combined gui and external -comes out of estop immediately when both are cleared
4) combined gui and external with estop reset latch - comes out of estop when both are cleared and gui button is pressed
The chain refers to the software and hardware links.
for option 1 above (standard in the sim configs):
net estop-loop iocontrol.0.user-enable-out iocontrol.0.emc-enable-in
Here is yours (I removed debounce for clarity)
net estop-out <= iocontrol.0.user-enable-out
net estop-out => hm2_7i92.0.7i84.0.0.output-00
net estop-ext => iocontrol.0.emc-enable-in
net estop-ext <= hm2_7i92.0.7i84.0.0.input-00
estop-out is the gui signal sent out to external logic
estop-ext is the input from the logic that actually sets linuxcnc in/out of estop
If you electrically connected hm2_7i92.0.7i84.0.0.output-00 to hm2_7i92.0.7i84.0.0.input-00 The button would work normally.
If you wanted to add a hardware estop button to this, then you would add a switch between them. In that case the gui and the hardware button must be cleared to clear linuxcnc's estop state.
What do you wish to do?
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