Search found 43 matches
- Mon Nov 29, 2021 9:06 pm
- Forum: Centroid Acorn CNC Controller
- Topic: VCP image problem
- Replies: 8
- Views: 1787
Re: VCP image problem
Hallo I love how i can modify buttons and move them anywhere and manual helps very much . I have just one problem with my image ive drew. Problem is same as in trubleshooting page of manual , where VCP wont show up because of svg image. Some buttons i did modify ( change colour and move feature aro...
- Mon Nov 29, 2021 9:04 pm
- Forum: Centroid Acorn CNC Controller
- Topic: VCP image problem
- Replies: 8
- Views: 1787
- Mon Nov 29, 2021 7:54 pm
- Forum: Centroid Acorn CNC Controller
- Topic: Displayed Spindle Speed is Incorrect
- Replies: 36
- Views: 8337
Re: Displayed Spindle Speed is Incorrect
Hi. I'm not an electrical engineer and I can relate to the challenges the "every man" has when trying to do spindle control on these DIY mills. When you boil it all down, you are replacing the manual potentiometer with a "digital" version. Manual potentiometers have three termin...
- Sat Nov 27, 2021 8:26 pm
- Forum: Centroid Acorn CNC Controller
- Topic: Displayed Spindle Speed is Incorrect
- Replies: 36
- Views: 8337
Re: Displayed Spindle Speed is Incorrect
The Schematic is attached a few posts back and worked perfectly....aside from the offset in rpms called by CNC12 and what the spindle put out which a little more than 2x. The CNC12 is current version, but I will reinstall it. Pretty sure I bought the KBSI 240D from KB to provide the 5v signal, as I ...
- Sat Nov 27, 2021 6:47 pm
- Forum: Centroid Acorn CNC Controller
- Topic: Displayed Spindle Speed is Incorrect
- Replies: 36
- Views: 8337
Re: Displayed Spindle Speed is Incorrect
As to your first question.....I don't know. I think my wiring is long enough to just run the KBSI Out to the Acorn Out. If I switch the wizard to limit to 5v. It should fix the issue. Why would you hook the KBSI output to the Acorn output? Hopefully you meant hook the Acorn output to the PM speed i...
- Sat Nov 27, 2021 5:58 pm
- Forum: Centroid Acorn CNC Controller
- Topic: Displayed Spindle Speed is Incorrect
- Replies: 36
- Views: 8337
Re: Displayed Spindle Speed is Incorrect
Ok, that helps! Does the PM take a 0-5 vdc input or is it wanting 4-20Ma signal? If the PM will take a 0-5vdc signal then take out the KBSI and change the Acorn wizard to 0-5vdc output and the problem should go away. The reason for the PM running with just the KBSI powered makes me think it is look...
- Sat Nov 27, 2021 5:05 pm
- Forum: Centroid Acorn CNC Controller
- Topic: Displayed Spindle Speed is Incorrect
- Replies: 36
- Views: 8337
Re: Displayed Spindle Speed is Incorrect
Ok, this is not going anywhere fast because we can't get good feedback on the test we ask for. So one more time: Disconnect the KSBI board from Acorn and run these test, record the results! Using MDI, enter M3 S300 (minimum speed) and read the DC voltage at the acorn output! It should be 0 VDC! Usi...
- Sat Nov 27, 2021 4:05 pm
- Forum: Centroid Acorn CNC Controller
- Topic: Displayed Spindle Speed is Incorrect
- Replies: 36
- Views: 8337
Re: Displayed Spindle Speed is Incorrect
Please, ALWAYS post a fresh report when asking for help. It has all your machine parameters in it. Have you run the Basic Acorn Spindle bench test? This might help: https://youtu.be/LMZRuRkTn7c Need to make sure Acorn spindle analog output is functioning correctly first. Marty The report is attache...
- Sat Nov 27, 2021 3:35 pm
- Forum: Centroid Acorn CNC Controller
- Topic: Displayed Spindle Speed is Incorrect
- Replies: 36
- Views: 8337
Re: Displayed Spindle Speed is Incorrect
What is the Acorn outputting when the wires on the ADC output are disconnected? I know nothing about your KBSI board but some devices are low impedance and pull the Acorn output down from 10V. I'll try to check in a few. The KBSI is a signal isolator primarily. It should not pull down the signal. I...
- Sat Nov 27, 2021 3:12 pm
- Forum: Centroid Acorn CNC Controller
- Topic: Displayed Spindle Speed is Incorrect
- Replies: 36
- Views: 8337
Re: Displayed Spindle Speed is Incorrect
In your picture showing the 1500RPM at 100%, that is correct. Dave_C was trying to explain this to you. He suggested you take the spindle out of AUTO and into MAN and press and hold the + sign, the control will run up to the Max Spindle RPM programmed in the wizard. Dave-C suggested you use MDI to ...