Wait for spindle
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Wait for spindle
I can't seem to figure out how to get the Acorn to wait for my spindle to spin up to speed before cutting. I was able to work around it for now by adding a G4 P10 to the file but would like it to be automatic. I have the VFD at speed wired to input 5 and have watched the PLC to see that input 5 works as it should, how do I get the acorn to wait for this input before cutting?
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Last edited by eman5oh on Mon Mar 04, 2024 11:36 am, edited 1 time in total.
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Re: Wait for spindle
Add the dwell or delay in your M3 macro after the spindle turns on. This way it'll be sort of "automatic" every time you call the M3 to turn the spindle on. Just add your G4 P10 as the last line.
That said, 10 seconds is an eternity for a spindle to spin up. Maybe adjust your acceleration time in your VFD parameters.
That said, 10 seconds is an eternity for a spindle to spin up. Maybe adjust your acceleration time in your VFD parameters.
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Re: Wait for spindle
Search for recent threads on this. A recent post by Marc explains how to add a test in the M3 macro to check for the spindle up to speed signal.
Cheers,
Tom
Confidence is the feeling you have before you fully understand the situation.
I have CDO. It's like OCD, but the letters are where they should be.
Tom
Confidence is the feeling you have before you fully understand the situation.
I have CDO. It's like OCD, but the letters are where they should be.
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Re: Wait for spindle
Presumably this one https://centroidcncforum.com/viewtopic. ... 578#p41578
How to use M101 - this is from the lathe manual but I assume it's valid for mill too:
How to use M101 - this is from the lathe manual but I assume it's valid for mill too:
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Re: Wait for spindle
use the "up to speed" input, no need for any custom plc programming work.
example wiring of this.
https://www.centroidcnc.com/dealersuppo ... 223.r1.pdf
example wiring of this.
https://www.centroidcnc.com/dealersuppo ... 223.r1.pdf
Need support? READ THIS POST first. http://centroidcncforum.com/viewtopic.php?f=60&t=1043
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and here viewforum.php?f=61
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All Acorn Documentation is located here: viewtopic.php?f=60&t=3397
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and here viewforum.php?f=61
Gear we use but don't sell. https://www.centroidcnc.com/centroid_di ... _gear.html
Re: Wait for spindle
Are you sure that his Acorn-standard PLC program or M3/M4 macros will do anything with that input?cnckeith wrote:use the "up to speed" input, no need for any custom plc programming work.
Looking at the 12/11/2023 AcornSix template (the only one I have immediately handy) I see where "VFDUpToSpeed" is defined, but I don't see any place where it is used. Maybe the basic Acorn program is different?
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Re: Wait for spindle
i'll check, maybe it didn't get commited.
just add the m101 to look at this input in your mfunc3.mac
just add the m101 to look at this input in your mfunc3.mac
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
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
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Re: Wait for spindle
I am pretty sure it does not wait, I have input 5 setup with that signal and can see the VFD is setting it proper once the spindle is spun up, the acorn is not however waiting for it. I'll edit the mfunc3.mac and mfunc4.mac too?
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Re: Wait for spindle
yes you edit m3func.mac and m3func.mac and tell it to wait for the input that you have assigned as "VFD up to speed" as.
macro editing guide.
https://www.centroidcnc.com/centroid_di ... amming.pdf
macro editing guide.
https://www.centroidcnc.com/centroid_di ... amming.pdf
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
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
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Re: Wait for spindle
It worked after I added M101/50005 to the M3 macro, it did not work with just input 5 defined as vfd up to speed. Next up is to add the Rapid Change ATC, pretty excited to give that try!cnckeith wrote: ↑Mon Mar 04, 2024 8:09 pm yes you edit m3func.mac and m3func.mac and tell it to wait for the input that you have assigned as "VFD up to speed" as.
macro editing guide.
https://www.centroidcnc.com/centroid_di ... amming.pdf