CNC stops during probe cycle?! <resolved>
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CNC stops during probe cycle?! <resolved>
WTH, So everything was working great and I was getting the effective diameter of my Drewtronics probe and on the last part of the probe cycle it just stops at the touch with no faults indicated on screen or on drivers. Yesterday I was doing the same thing but couldnt get a good enough reading so today I used a larger ring gauge and I also increased the micro steps to 6400. I have 34nema closed loop steppers from OMC and CL86T drivers.Tomorrow i will set the micro steps back to 3200 tomorrow not that I think that has anything to do with it. I have a video but have to convert it from MOV to something else.
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Re: CNC stops during probe cycle?!
Are you using shielded cable? I think those are resends so not likely a problem with the probe itself.
Have you looked into Swissi's probe app. I think it has some calibration stuff in it.
Have you looked into Swissi's probe app. I think it has some calibration stuff in it.
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Re: CNC stops during probe cycle?!
I am using shielded cabling in the cabinet. The probe cycle is not finishing the cycle and stopping at the center of the bore. On the 8th touch it stops on the ring gauge and does not back off and center.
I did look at his app but want to get the machine running right first.
I did look at his app but want to get the machine running right first.
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Re: CNC stops during probe cycle?!
I had this issue when I first got my probe. I have the same one as you. I can't remember exactly what fixed it. What are your speeds for fast and slow probe? On mine I also always make sure the LED is facing forward in the spindle so I know the orientation never changes. My probe is set up at 10 IPM fast probe and 1 IPM slow probe if I remember right. I also have a probe connected safety input.
I'm attaching a screen grab of how my probe is configured. See if you have something that is way off from my settings.
I'm attaching a screen grab of how my probe is configured. See if you have something that is way off from my settings.
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Re: CNC stops during probe cycle?!
You have to address those MPU/PC Resends. They are errors on the ethernet link between the PC and Acorn.
You should address this issue before moving forward with anything else.
Most times it could be EMI noise a VFD, cabinet wiring methods. Can also be a bad ethernet cable (not typical but I have had it happened), flakey ethernet port on the PC or outdated Ethernet drivers. (If you have another PC to test with, that would eliminate the PC)
Please post an overall picture here of your control cabinet
Marty
You should address this issue before moving forward with anything else.
Most times it could be EMI noise a VFD, cabinet wiring methods. Can also be a bad ethernet cable (not typical but I have had it happened), flakey ethernet port on the PC or outdated Ethernet drivers. (If you have another PC to test with, that would eliminate the PC)
Please post an overall picture here of your control cabinet
Marty
Reminder, for support please follow this post: viewtopic.php?f=20&t=383
We can't "SEE" what you see...
Mesa, AZ
We can't "SEE" what you see...
Mesa, AZ
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Re: CNC stops during probe cycle?!
Good you are using shielded cable. I don't know how much you know about wiring so this may seem like a silly question. Is the braid on your shielded cable connected to ground?
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Re: CNC stops during probe cycle?!
No VFD yet, tried different cables and bypassed he feed thru, no luck. Keep getting MPU/PC resends.. will have to try another PC I guess.martyscncgarage wrote: ↑Tue Oct 19, 2021 10:18 am You have to address those MPU/PC Resends. They are errors on the ethernet link between the PC and Acorn.
You should address this issue before moving forward with anything else.
Most times it could be EMI noise a VFD, cabinet wiring methods. Can also be a bad ethernet cable (not typical but I have had it happened), flakey ethernet port on the PC or outdated Ethernet drivers. (If you have another PC to test with, that would eliminate the PC)
Please post an overall picture here of your control cabinet
Marty
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- Posts: 19
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- Posts: 9914
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- Location: Mesa, AZ
Re: CNC stops during probe cycle?!
Yes try another PC. A shielded Ethernet cable has a metal jacket around the RJ-45 connector. I assume you bench tested with the Centroid supplied Ethernet cable? Did you check your error logs?
You can unplug everything from Acorn except it's power supply only connected to it and the Ethernet cable and everything else powered off. And observe the logs. Better if you can run n a program to force activity between the PC and Acorn, but you'd have to go back to bench test to do that, or invert inputs that fault with nothing connected to Acorn
You can unplug everything from Acorn except it's power supply only connected to it and the Ethernet cable and everything else powered off. And observe the logs. Better if you can run n a program to force activity between the PC and Acorn, but you'd have to go back to bench test to do that, or invert inputs that fault with nothing connected to Acorn
Reminder, for support please follow this post: viewtopic.php?f=20&t=383
We can't "SEE" what you see...
Mesa, AZ
We can't "SEE" what you see...
Mesa, AZ
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- Posts: 19
- Joined: Mon Nov 25, 2019 10:05 pm
- Acorn CNC Controller: Yes
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- DC3IOB: No
- CNC12: Yes
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Re: CNC stops during probe cycle?!
Just to update, a new computer fixed it. Friggin pc….