New start

[A_Camera]

Okey.. now Im confused!

When running large 3d files I get ext e-stops.

The problem gets worse when the machine has been on for a longer period of time. (2-3h)

First I thought noise.. rerouted e stop cabeling.. no improvement.

Removed e stop pin in uccnc.. no improvement.
How can it trip ext e stop when it's not connected?
How do I change "debounce" in uccnc?

Is it my 5£ bob thats the culprit or maybe my computer?

Very annoying :)

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I don't think it is a debouncing issue. I assume you are using NC type connection for your e-Stop, so in normal case you have a permanent connection. When you push the button you break the line and bouncing would mean the switch will make several contacts, but that would not make a difference since you should expect that UCCNC already detected the first break. That is what you normally want from an e-Stop. You should not have a button which needs debouncing in NC connection because the debouncing will only delay the button push detection circuit, which is pointless and counter productive in an emergency situation. But... if you have a bad contact somewhere in your e-Stop circuit and you have NC circuit then it may trigger the e-Stop function, which again is a good thing and you don't normally want to hide that because it indicates an error which should be fixed and not hidden.

So, if I were you I would NOT try to add any debouncing but would start a fault finding activity, checking every wire and of course, also the BOB. As a matter of fact, I would also try to use a different port of the UCX00 board you are using, because in theory, even that can fail. If nothing is connected except the BOB then you MUST also remove the logical connection in UCCNC so that the input is not defined as e-Stop. You can do that in the Configuration, I/O setup tab. If you have done that and still get e-Stop then I am lost and suggest you contact CNC Drive support. I don't know which UCCNC version you are using, perhaps if it is a test version there is a bug, they can check that out.

[Nr1madman]

I don't think it is a debouncing issue. I assume you are using NC type connection for your e-Stop, so in normal case you have a permanent connection. When you push the button you break the line and bouncing would mean the switch will make several contacts, but that would not make a difference since you should expect that UCCNC already detected the first break. That is what you normally want from an e-Stop. You should not have a button which needs debouncing in NC connection because the debouncing will only delay the button push detection circuit, which is pointless and counter productive in an emergency situation. But... if you have a bad contact somewhere in your e-Stop circuit and you have NC circuit then it may trigger the e-Stop function, which again is a good thing and you don't normally want to hide that because it indicates an error which should be fixed and not hidden.

So, if I were you I would NOT try to add any debouncing but would start a fault finding activity, checking every wire and of course, also the BOB. As a matter of fact, I would also try to use a different port of the UCX00 board you are using, because in theory, even that can fail. If nothing is connected except the BOB then you MUST also remove the logical connection in UCCNC so that the input is not defined as e-Stop. You can do that in the Configuration, I/O setup tab. If you have done that and still get e-Stop then I am lost and suggest you contact CNC Drive support. I don't know which UCCNC version you are using, perhaps if it is a test version there is a bug, they can check that out.

Thanks!

That's exactly what's confusing me.
Even when I reset the e-stops port and pin to 0/0 instead of pin 12 port 3 (in my case) I still get ext e stop.. weird!

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[A_Camera]

Thanks!

That's exactly what's confusing me.
Even when I reset the e-stops port and pin to 0/0 instead of pin 12 port 3 (in my case) I still get ext e stop.. weird!

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Are you using a formal release or a test release? If you are using a test release I'd install a formal one and/or contact CNC Drive because if you have disabled hardware e-Stop then it really sounds like some invisible configuration issue or a software bug. I think you should send them a mail or post this on the CNC Drive forum. I am pretty sure you would quickly get an answer there and Balazs would quickly start debugging and solve the issue.

In any case, debouncing is not the right way to go, the problem must be caused by something else. If the e-Stop port and pin is defined as 0/0 then it should not be caused by the hardware.

[Nr1madman]

Are you using a formal release or a test release? If you are using a test release I'd install a formal one and/or contact CNC Drive because if you have disabled hardware e-Stop then it really sounds like some invisible configuration issue or a software bug. I think you should send them a mail or post this on the CNC Drive forum. I am pretty sure you would quickly get an answer there and Balazs would quickly start debugging and solve the issue.

In any case, debouncing is not the right way to go, the problem must be caused by something else. If the e-Stop port and pin is defined as 0/0 then it should not be caused by the hardware.

Exactly!

I am using 1.2047, latest stable release according to cncdrive..
Have emailed balazs, hope he has a solution ;)

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[JAZZCNC]

Don't know if you are using USB version or not but I'd check your PC settings because could be energy saving shutting down the USB ports when thinks Pc is idle.? This would have the same affect as E-stop to the controller because lost connection with PC which would explain why still get E-stop message when not connected.!

Could even be a program working in the background which try's to check ports etc causing blip just long enough to trick controller it's lost connection.

[A_Camera]

Don't know if you are using USB version or not but I'd check your PC settings because could be energy saving shutting down the USB ports when thinks Pc is idle.? This would have the same affect as E-stop to the controller because lost connection with PC which would explain why still get E-stop message when not connected.!

Could even be a program working in the background which try's to check ports etc causing blip just long enough to trick controller it's lost connection.

I thought about that also but he said that UCCNC detects a hardware e-Stop, not that it lost connection.

[JAZZCNC]

I thought about that also but he said that UCCNC detects a hardware e-Stop, not that it lost connection.

It might not show as a full loss of connection but does cause's an interrupt just long enough to trick controller. These are the Silly tricks USB gets upto and why I won't use it.!!
Also do you know for sure that UCCNC displays connection lost message and doesn't just throw a Generic E-stop message if doesn't fully lose connection.?

[Nr1madman]

Don't know if you are using USB version or not but I'd check your PC settings because could be energy saving shutting down the USB ports when thinks Pc is idle.? This would have the same affect as E-stop to the controller because lost connection with PC which would explain why still get E-stop message when not connected.!

Could even be a program working in the background which try's to check ports etc causing blip just long enough to trick controller it's lost connection.

This might be it.. not power setting but background programs.
I have checked power settings and they are set to "always on"

I'm using my old home computer so there are all sorts of programs installed. Should test reinstall but I have no valid windows cds left. Stuff like that gets destroyed some were between child 2 and 4 ;)

Its still strange that it starts to happen after about 2h and not when running pockets and contours just 3d....

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[driftspin]

This might be it.. not power setting but background programs.
I have checked power settings and they are set to "always on"

I'm using my old home computer so there are all sorts of programs installed. Should test reinstall but I have no valid windows cds left. Stuff like that gets destroyed some were between child 2 and 4 ;)

Its still strange that it starts to happen after about 2h and not when running pockets and contours just 3d....

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Hi nr1madman

Do you have fault relais from the drives hooked up to the emergency circuit?

Just guessing?


Grtz Bert.

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[A_Camera]

Exactly!

I am using 1.2047, latest stable release according to cncdrive..
Have emailed balazs, hope he has a solution ;)

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I am also using 1.2047 and never seen unexpected e-Stop.