Re: [Emc-users] 7i64 suddenly missing

[Curtis Dutton]

I apologize. False alarm. I had updated the 5i25 to the latest firmware but
accidentally put in the wrong firmware. Thus after a reboot it took hold
and thus was assigning the 7i64 to a different address. after the proper
firmware and a reboot and things are fine.
On Jul 22, 2015 10:12 AM, "Peter C. Wallace"  wrote:

> On Tue, 21 Jul 2015, Curtis Dutton wrote:
>
> > Date: Tue, 21 Jul 2015 06:14:46 -0400
> > From: Curtis Dutton 
> > Reply-To: "Enhanced Machine Controller (EMC)"
> > 
> > To: "Enhanced Machine Controller (EMC)"  >
> > Subject: [Emc-users] 7i64 suddenly missing
> >
> > I have a 5i25 running with 2 7i85s cards. I also have a 7i64 for my io
> > needs. Today I shut down linuxcnc and restarted. The 7i64 is no longer
> > recognized. Are there any debug settings i can use to more details as to
> > the possible problem? The 7i64 does have power.
> >
> > Thanks,
> >   Curt
>
>
> If the 7I64 has power, I would make sure
>
> 1. None of the 7I64 option jumpers has gotten moved or displaced
>
> 2. The serial cable is secure at both ends
>
> 3. The RS-422 daughtercard connections are not loose
>
> 4. if the 7I64 is powered via the serial cable, make sure that the 5V power
> measures at least 4.5V at the 7I64 end
>
>
>
> >
> --
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> >
>
> Peter Wallace
> Mesa Electronics
>
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[Emc-users] Another treadmill controller

[Gregg Eshelman]

I got the motor and controller installed and working on my 9x20 the 
other day.

The problem is the motor won't run until I turn the pot to top speed. 
Then I can slow it down, but if I turn the pot down too fast, the motor 
stops and won't go again until it's run up to full. It will run super 
slow and any speed in between.

With the original slide pot from the treadmill, it won't start to run 
until it's turned up to 50%, then it can be slowed down.

There are four adjustment pots on the controller. Labeled MIN MAX IR and 
CUR. IR and CUR have dabs of paint or glue to fix their positions.

The controller is an ATR Manufacturing MC-40. It's from an old Cadence 
treadmil, circa 1995.

Between the controller and DC motor it has a large choke coil, I assume 
to protect the controller from back EMF. I couldn't remove the flywheel 
because it's also the cooling fan and one piece with the multi groove 
pulley.

Any way to tweak this so it'll start out slow as soon as the pot is 
turned off its low end?

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Re: [Emc-users] Tormach co-founder, Greg Jackson, obituary

[Dave Cole]

On 7/22/2015 12:28 PM, andy pugh wrote:
> On 22 July 2015 at 16:34, Dave Cole  wrote:
>> At night it is common practice to tie in via lifelines even if there are
>> other crew on the boat since it is difficult to find someone in the dark
> And other crew are only any help if they know how to do a MOB recovery.
> I used to resent the MOB drills when I was learning to sail, but now I
> have come to actually almost enjoy them.

Very true.Safety drills are a really good idea.

Dave

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Re: [Emc-users] Tormach co-founder, Greg Jackson, obituary

[andy pugh]

On 22 July 2015 at 16:34, Dave Cole  wrote:
> At night it is common practice to tie in via lifelines even if there are
> other crew on the boat since it is difficult to find someone in the dark

And other crew are only any help if they know how to do a MOB recovery.
I used to resent the MOB drills when I was learning to sail, but now I
have come to actually almost enjoy them.

-- 
atp
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http://www.ifixit.com/Manifesto

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Re: [Emc-users] Tormach co-founder, Greg Jackson, obituary

[Dave Cole]

http://journaltimes.com/news/local/lake-michigan-drowning-tragic-accident/article_d2aa217d-cd0e-5e4f-aa7b-18615469fe1e.html

That is sad.

As a fellow sailor on the Great Lakes, it is easy to see how this could 
happen at night when he was going to the bow of the boat to tend a sail.
I wonder if he left off his PFD/life jacket since he had a friend on the 
boat?Or perhaps he simply hit his head as he went overboard.

That said, sailing at night is really, really nice.

I sail solo oftentimes and tie into the boat via lifelines when I do so 
just in case I lose my footing and start to go overboard. There is no 
sight worse than watching your boat sail away without you when you are 
far offshore.
At night it is common practice to tie in via lifelines even if there are 
other crew on the boat since it is difficult to find someone in the dark 
and a boat moving at only a couple of miles an hour quickly moves away 
from the man overboard.

Obviously he loved sailing and he had a beautiful boat.  But 62 is way 
too early to go.  :-(

I think I will check my lifelines a second time the next time I go out.

Dave


On 7/22/2015 6:50 AM, sam sokolik wrote:
> sounds like they are in good hands
>
> http://www.tormach.com/blog/greg-jackson-1952-2015/?utm_source=blog&utm_medium=email&utm_campaign=postnotify&utm_id=6073&utm_title=Greg+Jackson%2C+1952-2015
>
> sam
>
> On 07/21/2015 09:35 PM, Gene Heskett wrote:
>> On Tuesday 21 July 2015 22:19:12 Tom Easterday wrote:
>>> http://www.cressfuneralservice.com/obituary/138699/Greg-Jackson//?post
>>> _id=3D=
>> Thanks Tom.  I hope Tormach can stay the course he plotted for all these
>> years.  I feel like we have lost a benefactor who looked out for the
>> overall good.
>>
>> Cheers, Gene Heskett
>
> --
> Don't Limit Your Business. Reach for the Cloud.
> GigeNET's Cloud Solutions provide you with the tools and support that
> you need to offload your IT needs and focus on growing your business.
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Re: [Emc-users] 7i64 suddenly missing

[Peter C. Wallace]

On Tue, 21 Jul 2015, Curtis Dutton wrote:

> Date: Tue, 21 Jul 2015 06:14:46 -0400
> From: Curtis Dutton 
> Reply-To: "Enhanced Machine Controller (EMC)"
> 
> To: "Enhanced Machine Controller (EMC)" 
> Subject: [Emc-users] 7i64 suddenly missing
> 
> I have a 5i25 running with 2 7i85s cards. I also have a 7i64 for my io
> needs. Today I shut down linuxcnc and restarted. The 7i64 is no longer
> recognized. Are there any debug settings i can use to more details as to
> the possible problem? The 7i64 does have power.
>
> Thanks,
>   Curt


If the 7I64 has power, I would make sure

1. None of the 7I64 option jumpers has gotten moved or displaced

2. The serial cable is secure at both ends

3. The RS-422 daughtercard connections are not loose

4. if the 7I64 is powered via the serial cable, make sure that the 5V power
measures at least 4.5V at the 7I64 end



> --
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> you need to offload your IT needs and focus on growing your business.
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>

Peter Wallace
Mesa Electronics

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Re: [Emc-users] Tormach co-founder, Greg Jackson, obituary

[Tom Easterday]

Sorry about the subject line, the auto-correct on my phone snuck up on me, 
corrected mis-spelling above.

Loss of a founder can sometimes be the demise of a small company. It is good to 
hear that Greg Jackson did what was needed to allow Tormach to continue into 
the future.
-Tom

> On Jul 22, 2015, at 6:50 AM, sam sokolik  wrote:
> 
> sounds like they are in good hands
> 
> http://www.tormach.com/blog/greg-jackson-1952-2015/?utm_source=blog&utm_medium=email&utm_campaign=postnotify&utm_id=6073&utm_title=Greg+Jackson%2C+1952-2015
> 
> sam
> 
>> On 07/21/2015 09:35 PM, Gene Heskett wrote:
>>> On Tuesday 21 July 2015 22:19:12 Tom Easterday wrote:
>>> http://www.cressfuneralservice.com/obituary/138699/Greg-Jackson//?post
>>> _id=3D=
>> Thanks Tom.  I hope Tormach can stay the course he plotted for all these 
>> years.  I feel like we have lost a benefactor who looked out for the 
>> overall good.
>> 
>> Cheers, Gene Heskett
> 
> 
> --
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Re: [Emc-users] Fwd: Tread Mill controller

[John Alexander Stewart]

Be warned; with my KBIC clone in my G0704 (King Canada KC20VS) I needed to
add another small power supply to power the KBIC when replacing the
potentiometer with the Mesa 7i76 board - the KBIC would barely supply
enough current for the potentiometer, but not for the opto on the 7i76.

Also, the potentiometer leads are floating around 110v, (220v if that's
your power) so it is not "low voltage" circuitry.

There's some info at:

http://cnc-for-model-engineers.blogspot.ca/search?q=kbic

John.

On Wed, Jul 22, 2015 at 2:43 AM, Gene Heskett  wrote:

> On Wednesday 22 July 2015 01:50:48 Kirk Wallace wrote:
> > On 07/21/2015 05:16 PM, George Ramsower wrote:
> > >I have a tread mill motor I got for the purpose of putting it on
> > > my lathe. I've found a few motor controllers but just haven't
> > > figured out which one to use.
> > >What I want is a controller that will control the speed I set it
> > > at and keep the motor turning at that speed under different loads.
> > > This would be a normal method of doing this so it's not unusual.
> > > It's a 120 volt DC motor.
> > >Thanks for input on this.
> > >
> > > George R.
> >
> > I have a soft spot for KBIC speed controllers. They use back EMF for
> > speed feedback and work well from crawling to full speed. Reversing
> > needs a relay and should not be switched until the motor is stopped.
> > LinuxCNC can set the speed with a PWM signal to an opto-coupler then
> > to the KBIC potentiometer input.
> > http://www.wallacecompany.com/machine_shop/kbic/
>
> I think the controller in my micromill is a kbic, or possibly a clone of
> one.  The switching transistor failed several years ago, so I looked it
> up and found it wasn't much of a bug.  Surveying my pile of defunct
> computer PSU's I found a bug with 5x the current, double the voltage,
> and only about 20% more gate capacitance. When and if I replace that 200
> watt motor with the 400 watter from the lathe, it won't have a problem
> running it.  It is an extremely stiff control, so stiff I had to put in
> an ammeter to see how hard it was working as there is no detectable
> speed sag when the load goes from 120 ma running free to 2 amps and a
> blown fuse.
>
> You can either use the OEM potentiometer to set speed, or something like
> a mesa Spin1-x(sp?) and control it with linuxcnc.  I am running the
> micromill's spindle with a PMDX-106, so I have the best of both worlds
> as I can switch back and forth between manual control and computer. Live
> in real time.  PMDX has replaced that model with a different one but
> I've no experience with the newer version.
>
> >
> > Another driver I have used is Pico-Systems PWM driver which can drive
> > the motor either way. Speed feedback will need to be with a spindle
> > encoder then through a LinuxCNC PID or some other control algorithm.
> > My driver needed to have the output capacitors removed for continuous
> > operation, but newer drives may not need this modification. The driver
> > inputs have opto-couplers so the driver signals can be connected
> > directly to most interface hardware.
> > https://pico-systems.com/pwmservo.html
> >
> > My unfinished use is here:
> > http://www.wallacecompany.com/machine_shop/Shizuoka/Carousel_Overview-
> >1a.png
> > http://www.wallacecompany.com/machine_shop/Shizuoka/100_1136-1a.jpg
> > http://www.wallacecompany.com/machine_shop/Shizuoka/100_1133-1a.JPG
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Genes Web page 
>
>
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Re: [Emc-users] Tornado co-founder, Greg Jackson, obituary

[sam sokolik]

sounds like they are in good hands

http://www.tormach.com/blog/greg-jackson-1952-2015/?utm_source=blog&utm_medium=email&utm_campaign=postnotify&utm_id=6073&utm_title=Greg+Jackson%2C+1952-2015

sam

On 07/21/2015 09:35 PM, Gene Heskett wrote:
> On Tuesday 21 July 2015 22:19:12 Tom Easterday wrote:
>> http://www.cressfuneralservice.com/obituary/138699/Greg-Jackson//?post
>> _id=3D=
> Thanks Tom.  I hope Tormach can stay the course he plotted for all these 
> years.  I feel like we have lost a benefactor who looked out for the 
> overall good.
>
> Cheers, Gene Heskett


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Re: [Emc-users] Tornado co-founder, Greg Jackson, obituary

[Gene Heskett]

On Tuesday 21 July 2015 22:19:12 Tom Easterday wrote:
> http://www.cressfuneralservice.com/obituary/138699/Greg-Jackson//?post
>_id=3D=

Thanks Tom.  I hope Tormach can stay the course he plotted for all these 
years.  I feel like we have lost a benefactor who looked out for the 
overall good.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Fwd: Tread Mill controller

[Gene Heskett]

On Wednesday 22 July 2015 01:50:48 Kirk Wallace wrote:
> On 07/21/2015 05:16 PM, George Ramsower wrote:
> >I have a tread mill motor I got for the purpose of putting it on
> > my lathe. I've found a few motor controllers but just haven't
> > figured out which one to use.
> >What I want is a controller that will control the speed I set it
> > at and keep the motor turning at that speed under different loads.
> > This would be a normal method of doing this so it's not unusual.
> > It's a 120 volt DC motor.
> >Thanks for input on this.
> >
> > George R.
>
> I have a soft spot for KBIC speed controllers. They use back EMF for
> speed feedback and work well from crawling to full speed. Reversing
> needs a relay and should not be switched until the motor is stopped.
> LinuxCNC can set the speed with a PWM signal to an opto-coupler then
> to the KBIC potentiometer input.
> http://www.wallacecompany.com/machine_shop/kbic/

I think the controller in my micromill is a kbic, or possibly a clone of 
one.  The switching transistor failed several years ago, so I looked it 
up and found it wasn't much of a bug.  Surveying my pile of defunct 
computer PSU's I found a bug with 5x the current, double the voltage, 
and only about 20% more gate capacitance. When and if I replace that 200 
watt motor with the 400 watter from the lathe, it won't have a problem 
running it.  It is an extremely stiff control, so stiff I had to put in 
an ammeter to see how hard it was working as there is no detectable 
speed sag when the load goes from 120 ma running free to 2 amps and a 
blown fuse.

You can either use the OEM potentiometer to set speed, or something like 
a mesa Spin1-x(sp?) and control it with linuxcnc.  I am running the 
micromill's spindle with a PMDX-106, so I have the best of both worlds 
as I can switch back and forth between manual control and computer. Live 
in real time.  PMDX has replaced that model with a different one but 
I've no experience with the newer version.

>
> Another driver I have used is Pico-Systems PWM driver which can drive
> the motor either way. Speed feedback will need to be with a spindle
> encoder then through a LinuxCNC PID or some other control algorithm.
> My driver needed to have the output capacitors removed for continuous
> operation, but newer drives may not need this modification. The driver
> inputs have opto-couplers so the driver signals can be connected
> directly to most interface hardware.
> https://pico-systems.com/pwmservo.html
>
> My unfinished use is here:
> http://www.wallacecompany.com/machine_shop/Shizuoka/Carousel_Overview-
>1a.png
> http://www.wallacecompany.com/machine_shop/Shizuoka/100_1136-1a.jpg
> http://www.wallacecompany.com/machine_shop/Shizuoka/100_1133-1a.JPG

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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