Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

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cnckeith
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Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

Post by cnckeith »

The updated DMM DYN2 and DYN4 to Acorn Hookup schematics are now on the website for download.

http://www.centroidcnc.com/centroid_diy ... matics.zip
Need support? READ THIS POST first. http://centroidcncforum.com/viewtopic.php?f=60&t=1043
All Acorn Documentation is located here: viewtopic.php?f=60&t=3397
Answers to common questions: viewforum.php?f=63
and here viewforum.php?f=61
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lilb93
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Re: Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

Post by lilb93 »

I see it calls for a 5V customer supplied 1 amp power supply. Is 1 amp enough for three DYN4 drives. Thanks
Barnesville, PA.

I always thought it would take longer to grow old.
cnckeith
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Re: Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

Post by cnckeith »

yes
Need support? READ THIS POST first. http://centroidcncforum.com/viewtopic.php?f=60&t=1043
All Acorn Documentation is located here: viewtopic.php?f=60&t=3397
Answers to common questions: viewforum.php?f=63
and here viewforum.php?f=61
Gear we use but don't sell. https://www.centroidcnc.com/centroid_di ... _gear.html
woffler
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Re: Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

Post by woffler »

Is there going to be a problem with the mixture of the two drives ,i have DYN2 and DYN4 drives ?

I also have a question about the limit inputs if using proximity switch, as you have daisy chained the input for the DYN 2 drive.
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Re: Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

Post by flyeribe »

May I ask whats with the 5 volts for the Dyn4 since I have mine working from pass wiring diagram.

Luke
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Re: Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

Post by frijoli »

flyeribe wrote: Wed Jan 17, 2018 3:05 pm May I ask whats with the 5 volts for the Dyn4 since I have mine working from pass wiring diagram.

Luke
Others, including myself have had noise issues using the internal 5 volt supply. DMM recognized the issue and has recommended using an external supply.

Clay
Clay
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unofficial ACORN fb group https://www.facebook.com/groups/897054597120437/
woffler
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Re: Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

Post by woffler »

I have a question on input 2 with a DYN2 drive, wiring says ZRI or absolute zero position index ,what do you set it to in the Wizard?
When i selected Dmm Tech it set it to 2nd limit.
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Re: Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

Post by martyscncgarage »

woffler wrote: Fri Jan 19, 2018 3:39 pm I have a question on input 2 with a DYN2 drive, wiring says ZRI or absolute zero position index ,what do you set it to in the Wizard?
When i selected Dmm Tech it set it to 2nd limit.
You do NOT set anything up in the Wizard.

Are you planning on using the ZRI for homing?
What kind of machine are you working on? Lathe, Mill?

The theory is (mill),
You series all your limit switches together, one lead goes to common, the other goes to input 1. Select HOME ALL in the Wizard.
You set input 2, 3, 4 to UNUSED in the Wizard.
You connect the ZRI from X to input 2, Y to input 3, Z to input 4
The software still sees the inputs. Its simply watchig for the state to change on the input, when it does, it stops and sets that axis to home.

Credit goes to Scott Pratt, the Great Wizard :ugeek: at Centroid for working with me to coming up with the home file:

There is a custom cncm.HOM file you have to make up for example:
M92 /Z L1 ;Move to Z+ limit switch, back off until it clears.
M105 /Z P-4 F1 ;Move Z minus at 1ipm until input 4 closes
M26 /Z ;Set Z home here

M91 /Y L1 ;Move to Y- limit switch, back off until it clears.
M106 /Y P-3 F1 ;Move Y plus at 1ipm until input 3 closes
M26 /Y ;Set Y home here

M91 /X L1 ;Move to X- limit switch, back off until it clears.
M106 /X P-2 F1 ;Move X plus at 1ipm until input 2 closes
M26 /X ;Set X home here

Save a copy of the .hom file to another directory because if you run the Wizard after creating it, it WILL overwrite it with the default .hom file

I just posted a video today demonstrating using the DYN4 and the above .hom file

I have previously posted one for the DYN2. The info is buried here in a post. Search DMM DYN2 or DYN2

Marty
(YouTube: martyscncgarage)
Last edited by martyscncgarage on Sat Jan 20, 2018 10:16 am, edited 1 time in total.
Reminder, for support please follow this post: viewtopic.php?f=20&t=383
We can't "SEE" what you see...
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cnckeith
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Re: Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

Post by cnckeith »

custom home files are probably out of the scope of the wizard. i'd say we just start posting a collection of them here.
starting with the ones you have worked on. DYN2 Lathe, and DYN4 MIll. how about posting the cncm.hom and cnct.hom files for both?
Need support? READ THIS POST first. http://centroidcncforum.com/viewtopic.php?f=60&t=1043
All Acorn Documentation is located here: viewtopic.php?f=60&t=3397
Answers to common questions: viewforum.php?f=63
and here viewforum.php?f=61
Gear we use but don't sell. https://www.centroidcnc.com/centroid_di ... _gear.html
martyscncgarage
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CNC11: Yes
CPU10 or CPU7: Yes
Location: Mesa, AZ

Re: Updated DMM DYN2 and DYN4 to Acorn Hookup schematics.

Post by martyscncgarage »

cnckeith wrote: Sat Jan 20, 2018 12:08 am custom home files are probably out of the scope of the wizard. i'd say we just start posting a collection of them here.
starting with the ones you have worked on. DYN2 Lathe, and DYN4 MIll. how about posting the cncm.hom and cnct.hom files for both?
I updated the original thread:
viewtopic.php?f=60&t=1233

I agree, too many ways to do the .hom file depending on the machine.
I think simply, is a way to turn off the Wizard creating the .HOM file. Perhaps a radio button to turn the option on/off?
After all the work creating the custom .hom file, all it takes is one "Write to settings" afterward and its....gone.... :o

Marty
Reminder, for support please follow this post: viewtopic.php?f=20&t=383
We can't "SEE" what you see...
Mesa, AZ
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