Hi, thanks for video. Do you thing Pull UP or DOWN resistor wouldn't helped protect signal from switches? I am actually solving same problem, but id like to keep my switches ON. thanks
You can use NC switches by setting $5=1 (invert pin logic) and enable hard limits with $21=1. Use shielded cable but If you experience any interference issue you can add 10k pullup resistor between sig and vcc or pulldown between sig and gnd pins. Hope that helps you, good luck!
I am having issue, i have 2 axis machine and when i run $H command it homes one axis and the other one moves a little and doesn’t home. If anyone has an idea
Hello, can you put the connection diagram link in description Because I connected as you explained and adjusted the grbl file , but unfortunately I did not succeed. and thank you
Hi there! Here is a link to the CNC shield asssembly guide: blog.protoneer.co.nz/arduino-cnc-shield-v3-00-assembly-guide/#EndStops If that doesnt help you, describe your problems in detail and I will try and help you :)
Hi, I have a problem with my shield! its protoneer board version 3.0 and the error is that my spindle enable is swapped with z+ contact which is a common issue as I did some research! So now when I need the z+ for my z axis limit switch I connect it to spindle enable pin and it doesnt work! Can you help me out with this or point me to a direction where I can get some help? Thanks
@@ronniepaulinc You're getting EM interference in your switch circuit which is triggering a hard stop. You can either disable the hard stops in GRBL settings (short term fix) or use shielded cables for your switches (proper fix). Regular old ethernet cables work great for this purpose cos they're already shielded :) this is mentioned in the video!
I ended up just wiring my limit switches to activate the 'abort' function. Not ideal but it stops a crash.
@@jonnafry that’s exactly what the hard limit feature is intended for 💯
Thank you for the video.
You are most welcome, glad it helped you :)
Hi, thanks for video.
Do you thing Pull UP or DOWN resistor wouldn't helped protect signal from switches?
I am actually solving same problem, but id like to keep my switches ON.
thanks
Same problem
can i use NC Switches to? i dont want normally open, because this gets more errors?=
You can use NC switches by setting $5=1 (invert pin logic) and enable hard limits with $21=1. Use shielded cable but If you experience any interference issue you can add 10k pullup resistor between sig and vcc or pulldown between sig and gnd pins. Hope that helps you, good luck!
I am having issue, i have 2 axis machine and when i run $H command it homes one axis and the other one moves a little and doesn’t home. If anyone has an idea
Have you tried to home with hard limits disabled? or are you experiencing this issue with hard limits already disabled?
Hello,
can you put the connection diagram link
in description
Because I connected as you explained and adjusted the grbl file , but unfortunately I did not succeed. and thank you
Hi there! Here is a link to the CNC shield asssembly guide: blog.protoneer.co.nz/arduino-cnc-shield-v3-00-assembly-guide/#EndStops
If that doesnt help you, describe your problems in detail and I will try and help you :)
Hi, I have a problem with my shield! its protoneer board version 3.0 and the error is that my spindle enable is swapped with z+ contact which is a common issue as I did some research!
So now when I need the z+ for my z axis limit switch I connect it to spindle enable pin and it doesnt work!
Can you help me out with this or point me to a direction where I can get some help?
Thanks
hi ım low engilis
translate you = z+ veya z- pimi spnend bağla)
Hi there! you can redefine which pin is used for Spindle enable! which version of GRBL are you using?
How are the limit switches wired Mate
Hi buddy, sorry for the late reply! If you're running active switches then NC and passive switches NO
i dont think you helped anyone!
I made this video for one specific person, it helped him and that's good enough for me :) Thanks for your valuable feedback.
@@garageundergroundza 3 days straight and I still havent figured out why my limits still set off an error.
@@ronniepaulinc You're getting EM interference in your switch circuit which is triggering a hard stop. You can either disable the hard stops in GRBL settings (short term fix) or use shielded cables for your switches (proper fix). Regular old ethernet cables work great for this purpose cos they're already shielded :) this is mentioned in the video!
Oh yes, it helped me!! Same problem with unshielded cables. I’ll try with yours suggestion about ethernet cables. THANKS A LOT!