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Hi all,


New here so this is he first post.  I recently bought a C41 board from CNC4PC.  I am using an Ethernet Smoothstepper, some simple (old Probotix) break out boards, and a Huanyang 2.2kw spindle.


I've wired it according to this setup file:

https://cnc4pc2.s3.us-east-2.amazonaws.com/files/c10-c41_and_huanyang.pdf

except for my BOBs in place of the C10.  I am using Port 2 Pin 4 for PWM and Port 2 Pin 5 for Spindle Dir.

I setup everything in both Mach3 and Mach4 according to the manual and files found on the C41 page.  I can either get the spindle to spin up to full speed (regardless of what speed is set in Mach) in FWD only, or I can get the HY to show that FWD or REV is correctly selected when the Mach buttons are pushed, but cannot get it to spin at all. 


I am confused on the jumpers.  The instructions are not very clear about what the relay jumpers do.  I have tried the MODE jumpers in both USA and INT, but I have not adjusted the relay jumpers at all from factory.  Maybe I have something wrong there?


Looking for any thoughts on what to look at next.  I've been experimenting with this for some weeks now and seem to be a bit stuck.  I am able to get the VFD to show FWD and REV under certain circumstances, and I can get the spindle to spin to 24K rpm under other certain steps so I *think* all the wiring is right and there is something wrong in the config.


Any pointers anyone could offer would be much appreciated!

Thanks,

James

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Author Best Answer

I had too many variables here.  I hooked up an oscilloscope to the PWM lines from the BOB.  No PWM regardless of my triple checking config against the Warp9 and Mach setup docs.  I'll follow up with this on the Mach forums and come back here after I have verified good input to the C41.  Thanks for the help!

James

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You do not need a scope. The C25has LEDs on all I/Os. You will see the LED for pin used for PWM light up as soon as it gets a 100% PWM.

If not getting PWM from the C25, it is just a configuration issue, yes, I know it is a pain to configure this in Mach3, there are just too many parameters, and theyare all scattered all over the place, that is why I asked you to use the XML for the C11G or C25XP as they are preconfigured. Do this at least for troubleshooting purposes and so that you have a working configuration that you can copy the parameters from.

XML for C11g: https://www.cnc4pc.com/knowledge/article/305 here is the XML: https://cnc4pc2.s3.us-east-2.amazonaws.com/productattachments/files/C11G_CNC4PC_1.zip

Or Try the C25XP: https://www.cnc4pc.com/knowledge/article/60

Best Answer

Yes, those instructions are good.  From what you are saying, it appears that you have not configured it correctly.  As soon as you get the 0-10vdc that is proportional to the commanded speed, the relays will click and all will make sense.


The first objective is to get a 0-10VDC that is proportional to the commanded speed.  You may want to use the configuration for the C11G and ESS: https://www.cnc4pc.com/knowledge/article/305

After you get a voltage proportional to the commanded speed, just set the relay logic. If you are in the US, then your VFD most likely expects a FOR and REV commands, so set the jumpers appropriately and confirm that the relays activate as expected.

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