Kenneth Lerman wrote:
Remember that the issue on ethernet will not be throughput; it will be
latency. I'm sure Jon can give you a profile of what he is doing.
How many bytes in a send packet?
How many bytes is a receive packet?
Cycle time?
OK, the current latency is VERY short per
Stuart Stevenson wrote:
Gentlemen,
I have used BPL in my home for years. I am connected through it
now. I have wireless now but have not changed this box as it just
works.
snip
I don't know if this has interfered with any ham operators near me.
If my home adapters interfere how
Stephen Wille Padnos wrote:
I don't know the specifics of how to deal with the incoming packets on
the PC (or the specifics of how to send them, for that matter :) ), but
I'm pretty sure data throughput won't be an issue. Latency is unlikely
to be either, unless there's some very complex
Sebastian Kuzminsky wrote:
Stephen Wille Padnos wrote:
A standard ethernet frame has to be 512 bits (64 bytes) long. This
includes ethernet framing info, and I think the net payload is 46 bytes
for a minimum packet. This is aside from any UDP/IP or TCP/IP
addressing or protocol
Kenneth Lerman wrote:
Jon,
Don't use rtnet. Just use ethernet point to point to replace a parallel
port. Then there is NO net stack. Just use raw ethernet packets.
Overhead is then a few dozen bytes.
OK, but is there an ethernet driver that is callable within the rt
environment?
I may
Stephen Wille Padnos wrote:
I agree with Ken - you don't need RTNet unless you want to have multiple
slave devices and all that stuff. It could still be useful since the
master defines the timebase (at least in one mode, AFAIK), so the master
could send one sync packet, then have all the
Chris Morley wrote:
Hi guys this is from cnc zone. Any comments?
I'm sure I remember reading about getting
Axis not to display unused axis. I looked in
the manual and couldn't find anything.
The important thing is you need to be running a brand NEW version of
EMC2. I think only the
Gene Heskett wrote:
On Saturday 03 January 2009, Dean Hedin wrote:
Take this one for example:
http://www.hobby-lobby.com/brushless-gazaur.htm
The R/C motors are rated with Kv. Which means rpms per volt with no load.
The above motor is rated at 4100kv and can go up to 12volts.
So that
Dave Engvall wrote:
Anyone really remember how many interrupts an 11 really had. I'm
thinking 256 but haven't found the book to confirm that.
I think it was actually unlimited, up to filling the entire address
space. Now, off the shelf boards didn't support that, and some of the
Gene Heskett wrote:
Interesting. The length of the radial portion of the bearing must be fairly
short then?
The radial bearing sections are about 3/4 long, I think. These are
combo hydrostatic/hydrodynamic bearings.
I once had a hose blow off while drilling a hole, and waited until the
Ron Ginger wrote:
Ok, I cant let this one go without a comment. I joined DEC as a sales
engineer in the Ann Arbor Michigan office in Feb 1969. That was still
PDP8 days, the 11 didnt come until 1970. We had a series of application
systems we sold on PDP8's, and as I recall one of them was
Dean Hedin wrote:
Jon, that is overkill for PCB routing.
I have a pcb routing spindle motor right here in front of me
and it is not much more than a hobby dc motor.
Well, it depends on what you are going to be doing. I have drilled
.018 holes (.457 mm) with the Westwind, and I'm sure it
Dave Engvall wrote:
It is amazing how many DEC users, etc come crawling out of the woodwork.
All of them with great stories about how things used to be.
With all this architectural experience there ought to be some
strongly held opinions on a processor chip that would do a
good job on
Gene Heskett wrote:
Something that wasn't actually because I was thinking of braced up dremels or
Proxxon's. OTOH, I imagine the Rockwell/Precise offering is also
outragiously priced, way out of my league, so that most certainly should have
been taken as a jest. But at the time, I was
Matt Shaver wrote:
On Sat, 2009-01-03 at 21:38 -0800, Rafael Skodlar wrote:
No modern PC with water cooling, tons of LEDs, or shiny fans look as
good as PDP-8 or PDP-11/44 front panels. You could tell what system was
doing just by looking at LEDs.
I know what you mean, I started my
Gene Heskett wrote:
On Sunday 04 January 2009, Peter C. Wallace wrote:
On the other hand you can do a lot with a embedded 32 bit processor in a
FPGA (the ZPU for example uses about 20% of a 400K SP3, runs at ~ 100 MHz,
is BSD licensed and has a GCC toolchain)
Which again,
Roger wrote:
It's unfortunate that there isn't a way to approximate closed loop control
with
steppers and encoders in EMC2. I have read that EMC2 can detect a following
error using steppers with encoders and trigger a fault which is great but this
doesn't really allow the use of steppers in
Stephen Wille Padnos wrote:
Roger wrote:
If a step motor loses a step due to excessive loading, then it's likely
to miss many steps. The one motor will be stalled while the software
ramps the speed down on the other joints, so the part is already likelly
to be ruined. At some
Mark Wendt (Contractor) wrote:
Jon,
You sure you didn't bring home a Vax workstation? I had a
bunch of those, and they were built in the pizza box config that the
early desktops were like. The Micro-Vax was still a server, though
it was a bit smaller than the 6000 series...
Gene Heskett wrote:
On Sunday 04 January 2009, Jon Elson wrote:
Gene Heskett wrote:
Interesting. The length of the radial portion of the bearing must be
fairly short then?
The radial bearing sections are about 3/4 long, I think. These are
combo hydrostatic/hydrodynamic
real problems I'd think.
Jon Elson has a lot of eperience with this, as well as Peter Wallace. I
don't think it was me :)
A plain old I/O card with 8255s or similar, connected via PCI bus,
should be faster than a parport. Parallel ports have extra delay logic
to make sure
Roger wrote:
Gene,
What I was thinking about was using steppers to reliably power big iron on the
Bridgeport scale. Kelinginc.net sells big steppers (nema 34, 1800 oz) for
$180. If you add an encoder and a G203V 80 volt/20 amp drive you are under
$400 per axis.
Well, if you restrict
Gene Heskett wrote:
On Sunday 04 January 2009, Jon Elson wrote:
Gene Heskett wrote:
On Sunday 04 January 2009, Peter C. Wallace wrote:
On the other hand you can do a lot with a embedded 32 bit processor in a
FPGA (the ZPU for example uses about 20% of a 400K SP3, runs
Dave Engvall wrote:
snip
since I didn't find Jon's post on the interrupt process.
Some reading of pdp wiki, etc refreshes memory (slowly).
There were 4 interrupt lines which gave only 4 levels of interrupt.
Then interrupts were further arbitrated by the position of the
interrupting
Gene Heskett wrote:
If you have the drawings on the VFD, I don't imagine getting it up above 400
would be a very difficult task. How much voltage is available for its output
stage?
It is all controlled by a microcontroller, and about 150 setup
parameters entered through the
Gene Heskett wrote:
On Sunday 04 January 2009, Jon Elson wrote:
Gene Heskett wrote:
If you have the drawings on the VFD, I don't imagine getting it up above
400 would be a very difficult task. How much voltage is available for its
output stage?
It is all controlled
Stuart Stevenson wrote:
Gentlemen,
I have seen (youtube) the conversion of an automotive alternator to
a stepper motor. The fields are pulsed and no motion occurs until the
rotor has dc voltage applied. Would it be possible to use this type of
stepper to overcome some of the speed and
Stuart Stevenson wrote:
Gentlemen,
My suggestion was to use a stepper of a type built like an
alternator. If that concept would be useful. Just throwing out ideas.
It may not be feasible but who knows? Definitely not me. :)
Even an 8-pole alternator would only have 32 full steps/rev.
Kasey Matejcek wrote:
Is there a way to have emc come out of estop and be in estop reset
When I hit the reset button for the estop chain on my machine
Witch pin do I need to link to to make this happen I've messed around and
haven't got anywere to speak of
I tied ppmc.0din.14.in to
sam sokolik wrote:
well - he is just wicked smart. (plus if you mention a mod in passing - 10
minutes later it is done) ;)
Well, at last one where I'm fast enough to second it!
He was really helpful at the Fest to set up a filter on the jog dial I
was hooking up!
Jon
Organic Engines wrote:
Hi,
The future of Realtime.
Processor emulation with an FPGA.
http://portal.acm.org/citation.cfm?id=1216927
Here is your PDP replacement.
http://neil.franklin.ch/Projects/PDP-10/
The second ref is an impressive intellectual exercise, but in no way is
Kasey Matejcek wrote:
Thanks for the help I've got it working now
Had to do to things add the or2 to the servo thread my stuiped mistake
Than I had to have reset.ok high before reseting the estop-latch.0.reset
Now on my machine when the estop chain is complete my machine is in
Estopreset and
Thomas Kaiser wrote:
Hello All
I am looking for a MB witch is good for running EMC2.
I have been using off-lease Dell Optiplex boxes for some time with
excellent results. Most of these are working well with the on-mobo
video, but one of them does have poor latency. I use that
Roger wrote:
Is anyone using Jon's (Pico Systems) PWM servo amps with the Mesa 5i20 or
7i43?
If so could you please post your ini files to postbin.com . I'm interested in
converting from Mach3 Gecko's to EMC PWM and would like to see a working
configuration.
Well, of course, you could
John Kasunich wrote:
Is this for a permanent magnet AC servomotor, or just an induction
motor? It seems like for a servomotor you'd need a current loop, which
implies current feedback, which implies A/D converters. Or is it
possible to get decent performance from such a motor with an
Peter C. Wallace wrote:
Permanent magnet servo motor. Its possible to get very good performance
without a current loop at least for small motors, you may need to add a phase
lead feed forward term for very high drive speeds. Of course it is closed
loop
in the sense that drive voltage is
Roger wrote:
Jon,
If you start with a blank slate your Universal PWM is a good cost effective
solution that simplifies hardware and software setup and provides for Opto22
relays. In my case though I already have a Mesa card (won at Cardinal raffle),
50 pin breakout panels and I installed
Tom wrote:
Hello Tom,
Doing the test I forget to ground the new motor and there was some kind
of problem, that when I measured the tension between the PC ground and
the machinery ground I detected 5v to 35v.
...
Arnold
Arnold,
Thanks, that is understandable.
Tom wrote:
Jon Elson el...@... writes:
Oh oh! ...
The Excellon drive may have had one motor pole grounded, and that may be
tied to frame ground. Certainly not a great scheme, but they all seem
to use 3-wire cables. I know my motor is completely floating, but that
doesn't
Mark Wendt (Contractor) wrote:
Realistic? I get messages from my intrusion detectors every day of
folks from all over the world scanning my ports, trying to find a way
in. They hit a block of IP addresses and scan all of them in that
block.
A very effective way to stop this is to use
Chris Radek wrote:
On Mon, Jan 12, 2009 at 08:05:53PM -0800, Alan Condit wrote:
OK, I finally got my machine hooked up to the web for long enough to
do all the updates and got EMC2-2.2.8 running. Now I am still getting
the venetian blinds. I tried all the fixes that I could find, but
Tom wrote:
Hi Steve,
Those are tapered walls. The contours for those pockets are about 50 thou
inset
at the bottom of the pocket, so the walls are that much thicker down there. It
might be worth investigating using a 3/8 endmill with a 1/16 radius end. That
would give some gradation to each
Kirk Wallace wrote:
On Fri, 2009-01-16 at 09:12 +, Tom wrote:
Gene Heskett gene.hesk...@... writes:
snip...
That pretty much leaves noise pickup or ground loops. All grounds should
be
star topology and tied well to the 3rd pin of a power plug. Shielding on
cables should
John Kasunich wrote:
One thing to keep in mind when considering the tapered end mill idea
is chatter.
The existing stepped design limits the depth of cut (width of cutting
edge engaged) to the height of one step. If you use a tapered end
mill, the cutting edge will be engaged in the cut
John Kasunich wrote:
Len Shelton wrote:
Anyone know how to find and/or calculate the hsyncstart, hsyncend, htotal,
vsyncstart, vsyncend, and vtotal values for a given monitor? The manual does
not have this info.
Len
Google modeline. It's been ages since I did that, and I
John Kasunich wrote:
Thomas Kaiser wrote:
Hi
I replaced the CNC controller of a Schaublin 125 CNC with emc2. So far
I can move both axis (x, z) in jog mode and can home them.
But when I jog with max speed (3000mm/sec) the axis still moves after I
released the arrow button.
Wes S wrote:
I personally don't like open loop. I know you can use steppers and
encoders but I don't see the benefit there over servo motors.
If I'm not totally off track, I understand EMC can take encoder
feedback. What boards are typically used? What drives are usually
used in servo
Marty Swartz wrote:
I hate to pull the conversation down from its usual high level, but I have a
basic, hopefully simple question about G-code and cutter compensation. I've
been gnawing my way through Joe Martin's instructions / tutorial, and
there's something I can't quite get my head around.
Tom wrote:
Hi all,
In an earlier post I commented on pausing Emc2/Axis in the middle of a cut in
order to clear swarf and the problem of using the stop button which turns
off
the spindle and coolant: how to set next line and resume where you left off
when the spindle and coolant are off?
Tom wrote:
Thank you Jon
Yes, from searching the forum for spindle restart threads I gathered
basically
the same conclusion.
I didn't mean to poke around in an old wound...
I will look into beta testing ver. 2.3 and maybe have a go at it.
Oh, I DON'T mind! This has been just about
On 01/19/2014 05:51 PM, Josiah Morgan wrote:
hey,
I was wondering if it was possible to use a pendant/mpg with the machineKit
build. if so, what encoder/pulse counter would I need to use in the touchy
HAL file?
if not, what is the best alternative that would work for machineKit?
thanks in
On 01/21/2014 11:10 PM, Jeshua Lacock wrote:
Greetings,
I am the proud new owner of an Bolton Tools AT750 combination lathe and mill
see here:
http://3DTOPO.com/Bolton-AT750.jpg
I am super impressed with the machine so far.
Ugh, we have a somewhat similar machine at work, it is
pretty
On 01/22/2014 05:58 PM, Jeshua Lacock wrote:
Hmmm, what machine are you referring to? I just checked and I have full
8x12x3 inches of travel for the mill.
Well, yours seems to have the adjustable head height, ours
doesn't.
It also sounds like yours may be overall a larger machine
that ours.
On 01/22/2014 08:41 PM, Jon Elson wrote:
570 Oz-In is a lot, but of course, that is only at
standstill. But, they
should do fine, especially with a belt reduction. 5 A will
require the
big Gecko 203 drive. For that, you might consider Gecko's
servo
motors and our PWM servo drives
On 01/23/2014 04:45 AM, Tomaz T. wrote:
I have rotation stage as shown on picture below, and would need some
recommendations which servo motor to choose for replacing stepper (nema17
frame size). Stage has 180:1 ratio.
See
http://www.automationtechnologiesinc.com/
for some decently priced
I just don't worry about this idiot problem. If you've
seen the picture of the $600 million NOAA weather
satellite that fell over and got smashed in 2003, I
just know that no matter HOW stupid a mistake I
ever make, it will NEVER come close to that one!
It cost Lockheed $150 million to fix, and
On 01/26/2014 11:54 AM, Charles Steinkuehler wrote:
I'm working on adding software encoder support to the BeagleBone PRU
code. Counting up/down is easy, but I'm wondering how to deal with the
index pulses. Both the Mesa VHDL code and the existing software encoder
component have quite a
On 01/26/2014 02:04 PM, Andrew wrote:
Standard X rules apply, since it's a standard X program. Select via
left button. Insert via shiftinsert or the middle mouse button if
you have one (my mice don't and the click both left-and-right for middle
doesn't seem to be working).
That's called
On 01/27/2014 08:06 AM, John Prentice (FS) wrote:
The Contour product is of course aimed at video editing but does CNC very
well as it is practically impossible to accidentally move the machine.
Joysticks are a bit too easy to knock for my liking.
Well, I made a jog pendant with an MPG
On 01/27/2014 08:09 PM, Stephen Dubovsky wrote:
We have MPG 'banging' on two machines that are tuned fast and I just found
the 'ilowpass' example fix online:
http://linuxcnc.org/docs/html/examples/mpg.html
Looks to be a FIR filter. I had actually found the 'limit2' and 'limit3'
functions
On 01/27/2014 10:16 PM, Gregg Eshelman wrote:
Is the Tormach mill a design unique to that company or do they take some
off the shelf Chinese mill and wrap it up all fancy with added parts?
I think, from talking to the Tormach guys at some meetings,
that it started out as made from some pretty
On 01/28/2014 05:01 AM, andy pugh wrote:
I haven't used it myself, so I am not sure how the
on-screen display of mm-per-click and the actual
mm-per-click are sorted out.
Using the ilowpass, you can actually hear the last few
integer steps
come out after you stop moving the MPG. The way I
On 01/30/2014 04:23 AM, Mark Wendt wrote:
Automation Technology is Keling. The Automation Tech web
site is the current one. Dunno why John keeps the old site
up and running other than as a visual redirect. He ought
to scrap the entire old site and leave a dummy page with a
link to the new
On 02/06/2014 05:41 AM, bruno wrote:
Alternatively, I am pretty sure this type
http://www.aliexpress.com/item/Universal-CNC-4-Axis-MPG-Pendant-Handwheel-Emergency-stop-for-Siemens-FAGOR/1594520156.html
would be easy to integrate as it appears as just a bunch of switches and
quadrature
On 02/06/2014 11:48 PM, Pete Matos wrote:
My question is if I wanted to switch back to 2.5.3
stable release how big of a pain in the ass is that gonna be LOL.
One way is to install all the prerequisites to build from
source, and
then build a run-in-place version from source. This allows you
On 02/09/2014 08:50 AM, Pete Matos wrote:
This is one of the things on the high priority list for the VMC here to
me. I can really see that it would be nice to have and setting up jobs
would be that much easier. My waterproof and debris proof keyboard is great
but one of those would come in
On 02/10/2014 01:35 AM, Marcus Bowman wrote:
Nice and straightforward.
Is that a 100 pulse per turn encoder? Does that give enough resolution?
100 pulses gives 400 counts in quadrature, so it is more
than enough.
I divide the scale factors by 4, so I have .01, .001, and
.0001 per click
of
On 02/10/2014 06:54 AM, Steve wrote:
I am interested in using EMC2 to control a 3D printer.
You really want to talk to Charles Steinkuehler, he is in the
forefront of doing this. He is concentrating mostly on
using the Beagle Bone black computer instead of a PC,
but knows all the ins and outs of
On 02/10/2014 03:45 AM, Daniel Duesentrieb wrote:
Folks,
I am trying to get this servo moving with the drivers from
Pico-Systems.
I am going to wire like this:
http://pico-systems.com/images/fanuc.pdf
But here is my question: What about the 2 (one on the
servo, one on the red cab
On 02/10/2014 08:46 PM, Jon Elson wrote:
Oh, I should have mentioned, the encoder and Fanuc converter
will work fine if you just leave that connector with nothing
connected to it.
Jon
--
Android apps run on BlackBerry
On 02/11/2014 07:23 AM, Duesentrieb Yahoo wrote:
thank you jon
there is also a 2 pin connector at the black part if the motor. right beside
the 4 pin power connector.
what about this one? i think it is the brake. ist that right.
please see here:
On 02/11/2014 07:39 AM, Duesentrieb Yahoo wrote:
video about the brake:
https://www.youtube.com/watch?v=lXUScv7R8Ikfeature=youtube_gdata_player
so i am planing to connect the brake direkt after the main transformer.
ca. 80VAC
is that ok?
I think Fanuc brakes are DC, not AC.
Jon
On 02/11/2014 01:21 PM, Duesentrieb Yahoo wrote:
have not 80v dc. could take 120vdc.
witch is plus, A or B ?
I'm pretty sure the polarity doesn't matter. But, if the brakes
are designed for 80 V DC, 120 V will likely burn out the coils.
Power goes up as the SQUARE of voltage, so 120 V is
On 02/11/2014 11:34 PM, Marius Liebenberg wrote:
Hi Chris
The reason I would like to think I need it is because I test a lot of
different configs and code on the same machine (hardware ) for instance.
This means that I have to redo the INI file for every test. I normally
end up being
On 02/11/2014 11:34 PM, Marius Liebenberg wrote:
Hi Chris
The reason I would like to think I need it is because I test a lot of
different configs and code on the same machine (hardware ) for instance.
This means that I have to redo the INI file for every test. I normally
end up being
On 02/12/2014 01:53 PM, Charles Buckley wrote:
Hello,
I am hitting that bug with my D525. Connecting to a G540.
What are the specifics of the bug? Why is it not accepting EPP?
The BIOS reports that the on-mobo parport does not support EPP
mode, even though it does. Earlier versions
On 02/14/2014 11:33 PM, Gene Heskett wrote:
On Saturday 15 February 2014 00:29:44 jeremy youngs did opine:
i like south central mo myself . im looking forward to finally
getting back to my 17 acres there. as this 2 yrs helping dad in upstate
has really made me see why i left 20 yrs ago
On 02/15/2014 12:10 AM, Gene Heskett wrote:
All I got was audio, probably my fault, but that river was sure letting you
know it was there!
Strange. You probably need to load some damn codec to view
an MOV file. I have all the possible codecs loaded on my
system,
some of them require
On 02/15/2014 04:00 PM, Stuart Stevenson wrote:
Jeremy,
All this talk about the Current River and 11 point is familiar to me. I
know only the names and locations. I don't know the land well. I have a
machine shop in Eminence. You should know where that is if you have only
been gone for two
On 02/15/2014 08:29 PM, Stuart Stevenson wrote:
The shop is just south of downtown and a block west of the main street.
We probably drove right past it, but didn't know!
Unless you would have been there, we wouldn't have
known anybody there, anyway.
Jon
On 02/15/2014 11:52 PM, Stuart Stevenson wrote:
I am not from Eminence. I have had the shop since Dec 2000. I have spent
quite a bit of time there but not enough to know a lot of people outside
the shop.
I know Ruby's TT and Orchard's and Joanne's for eating.
When you drive south past the
On 16 Feb 2014, at 05:07, Jared Turner wrote:
I'm still working with trying to get programatic speed control from my BBB.
My driver requires a 0-10v signal or a 10k pot to control speed.
You could try feeding PWM from the BBB to an RC integrator,
and then amplify
that to feed the voltage
On 02/17/2014 06:28 AM, Mark Wendt wrote:
Are you guys talking about an area anywhere near Mt Home Arkansas? I've
been sorta following this discussion, but not very closely. I go out there
each fall in October to visit some very close friends (they're like family
to me), do some fishing
On 02/18/2014 04:21 AM, Mark Wendt wrote:
Eminence is about 103 miles from my buddy's place and
Alton is even closer at around 70 miles. H. ;-) Mark
Hmmm, maybe we should have an Ozarks CNC fest sometime, or
just a get together. The location is primitive, there is
electricity,
but no
On 02/18/2014 12:45 PM, Stuart Stevenson wrote:
We could probably have internet with cell service.
4G is fast
Well, I've thought about it. This friend is thinking about
providing
internet access to the island in the Pacific he just bought
95% of.
It is 300 miles from anyplace that has
On 02/18/2014 05:23 PM, jeremy youngs wrote:
a central ozarks get together sounds very good , im currently awaiting news
from bermuda on this dive job , that may keep me away at the mentioned time
but i am certain when i get back i will be visiting some of you fine folks.
big john its great to
On 02/18/2014 07:59 PM, John Alexander Stewart wrote:
Hi all; may be off topic, but am wondering about converting my Centec 2B
mill to CNC. X,Y axes are relatively easy; Z is difficult.
Is there any real need to convert the Z axis, assuming that the weight of
the table will keep the backlash
On 02/19/2014 06:45 AM, John Alexander Stewart wrote:
Jeremy, Jon;
Good answers.
Jon - yes, it's a horizontal mill, but I have the geared head with quill,
and have only used the horizontal arm once, so apologies for forgetting
that it's a horizontal mill originally.
OK, so you want to rig
On 02/19/2014 08:51 AM, Dave Cole wrote:
What system does Dishnetwork use for internet via satellite?
I believe dish is one-way download only. So, you command
what you
want to load via a phone modem, and they send everybody's
downloads on one channel on the satellite. I can only
imagine the
On 02/19/2014 04:41 PM, Stuart Stevenson wrote:
Jon,
Do you have a people limit?
No, not really, as long as the weather is good. There are
some tricky
details. The road down to the cabin is quite rough, we do
it in a
Honda van, but it is tricky, and if it rains we park at the
top and
On 02/20/2014 12:01 PM, Charles Steinkuehler wrote:
Peter's solution will work. I was going to add a dead-band to the PID
control internal to the HAL component that talks to the PRU, but Peter's
suggestion of pushing the PID outside the PRU driver and into HAL makes
a lot more sense.
I might
On 02/20/2014 11:47 PM, Jon Elson wrote:
On 02/20/2014 12:01 PM, Charles Steinkuehler wrote:
Peter's solution will work. I was going to add a dead-band to the PID
control internal to the HAL component that talks to the PRU, but Peter's
suggestion of pushing the PID outside the PRU driver
On 02/21/2014 05:41 AM, Mark Tucker wrote:
So it seems that the hal configuration has to be altered and the
ini,just reading the sample pico configs.
All i need now is someone to integrate this into the beaglebone/xylotex
db25 configs.
How is the deadband figure worked out,Trial and error?
On 02/24/2014 03:07 PM, Gene Heskett wrote:
Interesting, but can data for it be extracted from the Vextra site? As is,
its a pig in a plain brown unlabeled wrapper.
Yes, I think the current and voltage ratings are coded fairly
simply in the part #. they may also be listed on the case
if the
On 02/24/2014 10:03 PM, sam sokolik wrote:
I am surprised people still put up with me... I do have a lot of help
from the community. The compact 5 configs using the latch and dual
stepgens would not have been possible if not for Jeff and Chris's
smarts.. (I am the big picture guy
On 02/25/2014 11:25 AM, Dave Cole wrote:
I guess that... almost makes sense to me.. ;-)
Dave
On 2/25/2014 11:05 AM, Ron Ginger wrote:
The Arduino has shields as the add-om board, so I guess a cape was sort
of the other side of the shield.
The name comes from the shape of the board,
On 02/26/2014 10:27 AM, Daniel Duesentrieb wrote:
Folks
I am happy, then with the help of Jon I got my Fanuc 10s servomotor
running with his pico-systems universal pwm board, fanuc encoder und
servo amp. Encoder runs and the motor is turning - somewhat...
I was playing around with the
On 02/27/2014 07:16 AM, Gene Heskett wrote:
I should also mention that servos do their magic by
exploiting the error budget, limits set before throwing an
error in the .INI file. The way we gear steppers, in the
distance they move per full step, normally 1/200 of a
revolution, will
On 02/27/2014 09:45 PM, Gene Heskett wrote:
On Thursday 27 February 2014 22:35:15 Jon Elson did opine:
On 02/27/2014 07:16 AM, Gene Heskett wrote:
I should also mention that servos do their magic by
exploiting the error budget, limits set before throwing an
error in the .INI file. The way we
On 02/28/2014 12:31 AM, Gene Heskett wrote:
This latter is a common lament from all of us table
toppers I imagine. I am amazed that they put in something
that can only turn 2500 revs, then we put motors on it
that are fully capable of moving fast enough to stall said
motor even when its
1001 - 1100 of 4201 matches
Mail list logo
