spindle db-9 connector

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pulsenpal
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spindle db-9 connector

Post by pulsenpal »

are pinouts for Acorn spindle plug identical to mpu 11 board db-9 connector?
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Dave_C
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Re: spindle db-9 connector

Post by Dave_C »

I would like to know how to wire this as well. The standard answer is "it is standard DB9 encoder pin outs" but if you don't have the "standard" then you don't know how to wire the encoder.

I don't see anything in the Acorn drawings for pin out and all the encoder I see on Automation Direct have pigtails that need to be extended.

Dave C.
Grizzly G0678 Mill ,CNC conversion with Acorn. G4004G Lathe, Mach 3 conversion to Acorn.
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cnckeith
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Re: spindle db-9 connector

Post by cnckeith »

hey guys the Acorn DB9 Encoder port pinout is on every Acorn schematic. (and yes it is the same on Oak, MPU11 and Allin1DC)
here is the link to the Acorn schematics.
http://www.centroidcnc.com/centroid_diy ... matics.zip
db0.JPG
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
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Dave_C
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Re: spindle db-9 connector

Post by Dave_C »

Ok, MAYBE i NEED NEW GLASSES!

I have no idea how I missed that. Too stressed out I guess.

:oops:

Dave C.
Grizzly G0678 Mill ,CNC conversion with Acorn. G4004G Lathe, Mach 3 conversion to Acorn.
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frijoli
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Re: spindle db-9 connector

Post by frijoli »

cnckeith wrote: ↑Wed Jan 03, 2018 6:51 pm hey guys the Acorn DB9 Encoder port pinout is on every Acorn schematic. (and yes it is the same on Oak, MPU11 and Allin1DC)
here is the link to the Acorn schematics.
http://www.centroidcnc.com/centroid_diy ... matics.zip

db0.JPG
This made me laugh out loud
Clay
near Winston-Salem, NC
unofficial ACORN fb group https://www.facebook.com/groups/897054597120437/
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Dave_C
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Re: spindle db-9 connector

Post by Dave_C »

Well, laugh while you can, you'll be old someday too.. If your're lucky!

Dave C.
Grizzly G0678 Mill ,CNC conversion with Acorn. G4004G Lathe, Mach 3 conversion to Acorn.
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pulsenpal
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Re: spindle db-9 connector

Post by pulsenpal »

thanks Keith

the spindle connector in my Romi lathe was wired for mpu-11

good to know it is a plug & play for Acorn

pulsenpal
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martyscncgarage
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Re: spindle db-9 connector

Post by martyscncgarage »

pulsenpal wrote: ↑Wed Jan 03, 2018 9:57 pm thanks Keith

the spindle connector in my Romi lathe was wired for mpu-11

good to know it is a plug & play for Acorn

pulsenpal
Curiously, why did you remove the MPU-11???
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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pulsenpal
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Re: spindle db-9 connector

Post by pulsenpal »

Marty

I never got the mpu 11 Romi retrofit operational because of faulty encoder solder connection-
I discovered the mistake at the time of removal of system
this was my third mpu 11 system --but as I noted my shop is a hostile machine environment--no heat

mpu 11 employed analog signals---0 to +10 vdc-- for servo control--and I am a step and direction guy
digital signals allow higher diagnostic precision --plus servo drive builders--ie--Yaskawa--
offer step/direction input in addition to analog voltage

I had one analog servo motor runaway on a pricey Deckel FP4A mill--blew apart ball screw--never would have happened
with step/direction controller
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