Estop
15 Oct 2021 09:57 #223185
by 2e0poz
Hi guys don't have my machine connected to the net so can't upload my config files. Using ver-2.8.2
I have my estop connected to pin 15. HAL meter shows the pin working but it does not shut anything off. Soft estop works as should. I have changed nothing from the the original stepconf config. Pins are not inverted and I'm not using enable or charge pump for my machine to work. Appropriate lines exist in the hal. Any ideas please
I have my estop connected to pin 15. HAL meter shows the pin working but it does not shut anything off. Soft estop works as should. I have changed nothing from the the original stepconf config. Pins are not inverted and I'm not using enable or charge pump for my machine to work. Appropriate lines exist in the hal. Any ideas please
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15 Oct 2021 10:05 #223189
by rodw
This thread may help forum.linuxcnc.org/47-hal-examples/25861-external-e-stop
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15 Oct 2021 10:28 - 15 Oct 2021 10:50 #223190
by snowgoer540
Replied by snowgoer540 on topic Estop
That thread is from 2012. I'm not sure all of that is necessary anymore.
As a working example from a recently created config, here are the estop lines from my .hal file:
You should have something similar, I think that's the best I can do to help without seeing the config.
As a working example from a recently created config, here are the estop lines from my .hal file:
# --- ESTOP-EXT ---
net estop-ext <= hm2_5i25.0.7i76.0.0.input-00
# ---estop signals---
net estop-out <= iocontrol.0.user-enable-out
net estop-ext => iocontrol.0.emc-enable-inYou should have something similar, I think that's the best I can do to help without seeing the config.
Last edit: 15 Oct 2021 10:50 by snowgoer540.
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15 Oct 2021 12:41 #223197
by snowgoer540
Replied by snowgoer540 on topic Estop
Ok so just to make sure, estop not tripped = pin 15 active. estop tripped = pin 15 not active? What GUI are you using?
I'd say the next prudent step would be zipping up your config folder and dropping it onto a thumb drive so you can upload it here.
I'd say the next prudent step would be zipping up your config folder and dropping it onto a thumb drive so you can upload it here.
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15 Oct 2021 17:08 #223214
by rodw
Its still as relevant in 2021 as it was in 2012 as it allows the use of both the on screen and external estop using estop-latch.
That thread is from 2012. I'm not sure all of that is necessary anymore.
Its still as relevant in 2021 as it was in 2012 as it allows the use of both the on screen and external estop using estop-latch.
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15 Oct 2021 17:26 #223216
by snowgoer540
Replied by snowgoer540 on topic Estop
Axis must do it by default as I don't recall having to do any latching when I was stuck with dealing with the GUI estop for Axis. But admittedly, Axis and QtPlasmaC are the screens I have the most experience with. Well and Pathpilot, but that's a whole other thing lol. Thankfully I've the option to not use the GUI Estop with QtPlasmaC.
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15 Oct 2021 18:42 #223217
by rodw
Honestly, its so long ago since I set up my machine, I can't remember but I thought it was required. estop-latch is very useful where you have multiple etops or guard interlocks etc as it can chain them together in Hal. And also for sending a reset signal to a safety relay if you use one. But thats another whole other thing too!
Does pathpilot require pressing an estop button in the GUI?
I still use the screen based button and external estops with qtplasmac.
I did ask an engineer how fanuc and other commercial controllers enabled a machine and he said they always required a GUI control to be pressed so I kept the functionality. My pressbrake doesn't but you do have to turn a switch on to restart the machine if you do press estop.
Does pathpilot require pressing an estop button in the GUI?
I still use the screen based button and external estops with qtplasmac.
I did ask an engineer how fanuc and other commercial controllers enabled a machine and he said they always required a GUI control to be pressed so I kept the functionality. My pressbrake doesn't but you do have to turn a switch on to restart the machine if you do press estop.
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15 Oct 2021 23:51 #223258
by snowgoer540
So technically their RESET button is neither an estop nor the power button we are all used to.
Replied by snowgoer540 on topic Estop
They have a "RESET" button, which will do nothing until you un-trip the Estop and press the green button to latch the relay and power on the controller. Once you do that, you can click RESET, and the GUI will control the machine. Pressing RESET again has no effect. The only way to estop the machine is by pressing the physical e-stop. If one estopped the machine they would have to repeat the process to bring it out and re-home, etc.Does pathpilot require pressing an estop button in the GUI?
So technically their RESET button is neither an estop nor the power button we are all used to.
I know a lot of people like them, but a software estop is a bad idea (IMHO). The "muscle memory" should be to hit the estop button and it should be wired to stop the machine movement immediately. But I know a lot of people like the software GUI Estop, so to each their own I suppose.I still use the screen based button and external estops with qtplasmac.
Sounds similar to tormach honestly. It wouldnt surprise me if they borrowed stuff from fanuc.I did ask an engineer how fanuc and other commercial controllers enabled a machine and he said they always required a GUI control to be pressed so I kept the functionality.
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