#linuxcnc | Logs for 2014-08-07

[00:12:14] <asah> yay, got my mill a little more under control. was geting runaways.
[00:12:26] <asah> a fun and exciting way to start tuning.
[00:13:44] <asah> I don’t have an amp disable pin so when I got any following errors, the amps would not shut off and my pid would accumulate error and start full speed trucking.
[00:13:59] <asah> one hand on the estop the whole way.
[00:14:31] <asah> but my y axis is behaving a bit more now and running ptp moves.
[00:14:41] <asah> only two more axes to go!
[02:07:34] <Deejay> moin
[02:07:53] <Jymmm> Deejay: You're Early.... and FIRED!
[02:08:22] <Deejay> yeah yeah... .oO(yalla yalla yalla..) *G*
[02:08:31] <Jymmm> lol
[02:08:45] <Deejay> ^^
[02:08:59] <Deejay> how are you? everything fine?
[02:10:49] * Deejay still feels sleepy
[02:18:44] <Jymmm> Pretty good, same old shit =)
[02:18:51] <Deejay> hehe
[02:19:13] <Jymmm> Chaos as usual
[02:19:25] <Deejay> :D
[06:50:28] <jthornton> sfc helped me again yesterday to pick a drill bit that gave me 60% thread instead of the normal 75% after breaking a tap in 7075
[06:51:31] <jthornton> the tap probably broke because I didn't check it for wear before use but I only had a cheap spiral flute left so less threads is better
[06:51:42] <jthornton> less thread depth
[06:52:09] <archivist_herron> I hate less depth stripping :(
[06:53:43] <jthornton> these have 200% thread engagement so no worries there
[06:59:23] <jthornton> I hate breaking taps off in parts... I guess getting a little in a hurry and not looking at the tap under the microscope is not a good plan after all
[07:01:21] <skunkworks> I broke a tap the other day in some crappy hard material.. Dad drilled it out with a carbide bit.
[07:05:09] <jthornton> I could mill it out with a carbide end mill I guess
[07:08:42] <archivist_herron> diamond bit in a dremel and grind it out or take to a local EDM shop for them to blast it out
[07:09:32] <archivist_herron> costs me a tenner for an EDM rescue
[07:10:56] <Tom_itx> what material were you tapping?
[07:11:06] <jthornton> 7075
[07:11:19] <jthornton> that part ain't worth too much effort
[07:11:43] <Tom_itx> trike parts?
[07:12:27] <jthornton> parts nest for cam tab grinder
[07:13:39] <Tom_itx> nothing quite like cleaning out the grease trap at 6am...
[07:14:09] <Tom_itx> that'll get you off to a good start any day
[07:14:52] <jthornton> yuck
[07:15:14] <Tom_itx> i did plan ahead though so it wasn't quite as bad as it sounds
[07:47:25] <jdh> I don't believe you.
[07:54:25] <Tom_itx> cleanout http://tom-itx.ddns01.com:81/~webpage/temp/house/drain1.jpg
[07:54:34] <Tom_itx> pipe to go in cleanout http://tom-itx.ddns01.com:81/~webpage/temp/pipe/pipe1.jpg
[07:57:46] <jdh> is this common?
[08:00:02] <archivist> common, a google images search for fat berg ttp://www.google.co.uk/images?hl=en-GB&q=fat+berg&gbv=2&sa=X&oi=image_result_group&ei=yXPjU5n4K6Wf7AbbxYHIDA&ved=0CCAQsAQ
[08:05:29] <jdh> that's pretty nasty
[08:07:01] <archivist> there have been some documentaries on TV showing the fun, iirc the biggest is in Brazil
[08:09:09] <JT-Shop> geez it's not even 8am and I'm making parts
[08:09:46] <jdh> I'm turning the wheels of industry, supporting quality US manufacturing.
[08:10:14] <jdh> that didn't really sound as pithy as I had planned
[08:10:22] <PetefromTn_> damn you got me beat. I have just turned on the machine here
[08:10:36] <JT-Shop> I support US manufacturing as well
[08:10:51] <archivist> time for a sammich and made nothing this week
[08:11:10] * jdh gives JT a resounding thumbs-up to a fellow manufacturer.
[08:12:22] <archivist> all I get a requests for quotes, I think people expect china mass produced prices for one offs
[08:12:25] <jdh> people here keep pushing for incentives for the film industry... but the film jobs are mostly spotty and non-consistent
[08:13:02] <jdh> then they whine that all the shows will move to other places with film incentives.... vs. manufacturing jobs that last.
[08:14:45] <SpeedEvil> Well - 'manufacturing jobs' - today are increasingly three guys and a bank of machines.
[08:15:09] <PetefromTn_> or one guy and a machine he built in his garage shop ;)
[08:15:11] <jdh> that's better than 2 weeks shooting a tv episode then 4 weeks of unemployment
[08:15:12] <SpeedEvil> Which doesn't really help with jobs hugely either. (though does great things for balance of trade)
[08:16:05] <SpeedEvil> The people celebrating factories coming back to the US - some of them seemingly expecting that there'll be thousands turning up every day full-time, when in reality it's a pile of robots.
[08:16:49] <SpeedEvil> Scary shit coming in the next few years, when many shipping/retail/driving jobs get automated.
[08:16:49] <cpresser> but you do need a lot of engineers to set the robots up and keep them running
[08:16:54] <SpeedEvil> Sure.
[08:17:19] <cpresser> ist just unfortunately if you are no engineer :)
[08:17:25] <Jymmm> cpresser: Dial-a-indian-engineer =)
[08:17:25] <SpeedEvil> Which is great for those people - but the people who used to run the machines aren't going to get those jobs.
[08:17:31] <SpeedEvil> That too.
[08:18:34] <jdh> better than being a strictly service economy
[08:20:09] <Jymmm> It's really difficult to 'Made in the USA' at $10/lb for the raw materials, when you can get the raw materials, fabricated, printed, and packaged verseas at $6/lb
[08:20:45] <Jymmm> or less
[08:20:49] <PetefromTn_> BS
[08:23:33] <Jymmm> PetefromTn_: Fine, find me just the raw materials for under $10/lb... 302 FH 0.010" 12" x 24" @ 100lbs worth
[08:25:51] <jdh> first, you need 100 tons worth, then you need to relax your material spec, then you need to get subsidized shipping/etc from the govt.
[08:26:19] <Jymmm> lol
[08:31:25] <Jymmm> I was getting plastic extruding quotes... One gave 300-600 for the die, another for the exact same die gave $2200-$3600. When I asked why such difference, he said "That's just what the industry charges". Both were to be fab'ed via EDM too. VERY simple profile.
[08:34:31] <Jymmm> The difficult thing is, if one company starts great, then begins to produce shitty results. You can't just take the die and go elsewhere, you have to have a new die that fits their machine made. So basically you are locked in to that mfr.
[08:38:26] <Jymmm> Can EDM be used on 0.010" SS with clean edges, or will it warp it?
[08:38:43] <archivist> wire edm
[08:39:02] <Jymmm> ?
[08:42:31] <Jymmm> archivist: Can wire edm be used to cut a closed hole in SS ?
[08:42:57] <JT-Shop> gotta start with a hole or an edge for wire EDM
[08:43:03] <PetefromTn_> most of the modern Wire edm machines have piercing mechanisms.
[08:43:08] <archivist> it can but the machine needs auto koad of the wire
[08:43:11] <archivist> load
[08:43:32] <PetefromTn_> they can then auto feed the wire.
[08:43:49] <Jymmm> https://www.youtube.com/watch?v=pBueWfzb7P0
[08:43:50] <PetefromTn_> The shop I worked in had three of four machines that had this ability.
[08:46:07] * JT-Shop has only seen old wire EDM's
[08:46:35] <JT-Shop> Jymmm, seems laser would be better on thin ss
[08:46:43] <Jymmm> That video mentions something called "smal l hole edm" too
[08:47:10] <Jymmm> JT-Shop: They say at 0.010 it can/will warp the SS
[08:58:02] <Jymmm> Hmmm, "Smal Hole EDM" uses a rod instead of a wire.
[08:58:20] <`Nerobro> "sinker" EDM
[08:58:23] <`Nerobro> is the other term for it.
[08:58:28] <Jymmm> ah
[08:58:44] <`Nerobro> You can use it to make square bottom holes.
[08:58:45] <Loetmichel> sinker edm is easy
[08:59:05] <`Nerobro> Yeah, you use a current shunt to determine if you should feed the stepper
[08:59:06] <`Nerobro> ;-)
[08:59:36] <Loetmichel> a copper rod/pipe of fitting diameter, a stepper motor with a linear axis, a drill to let the pipe rotate, a transformer, resistor, some caps-> done ;-)
[08:59:54] * SpeedEvil wishes he could get some dispersion hardened copper cheap
[09:00:05] <Jymmm> https://www.youtube.com/watch?feature=player_detailpage&v=FfNPkqDOqd4#t=282
[09:03:41] <Jymmm> Small Hole EDM https://www.youtube.com/watch?feature=player_detailpage&v=FfNPkqDOqd4#t=478
[09:05:30] <SpeedEvil> https://www.facebook.com/photo.php?v=10152582284683518 - this is not quite on topic - but very cool.
[09:05:35] <SpeedEvil> Well - for a hot thing
[09:06:05] <Jymmm> It's FB, not that cool.
[09:07:19] <Jymmm> and was added to ABP long ago =)
[09:07:30] <SpeedEvil> abp?
[09:07:38] <Jymmm> AdBlock Plus
[09:07:41] <jdh> alt.binaries.PRON
[09:13:09] <CaptHindsight> https://www.youtube.com/watch?v=eaeEn1Gs4aQ educational videos are better when the instructor shouts
[09:17:06] <SpeedEvil> Why EDM?
[09:17:12] <SpeedEvil> Why not EDM is the question.
[09:21:55] <Jymmm> "Complete EDM Handbook" of course in multiple PDF files <rolls eyes> http://reliableedm.com/Complete-EDM-Handbook.php
[09:23:37] * SpeedEvil wonders how he can incorporate wire-EDM into his new plywood CNC.
[09:23:44] <SpeedEvil> I think first step is probably to paint it.
[09:24:16] <Jymmm> ...with gasoline, then fire it up!
[09:24:36] <SpeedEvil> Gasoline does IIRC work as a wire-EDM fluid
[09:25:18] <Jymmm> SpeedEvil: Prove it, we want video!!! =)
[09:29:59] <JT-Shop> wow it is only going to cost me $1000 to fill both propane tanks
[09:30:27] <JT-Shop> last winter it would have cost $3000
[09:30:42] <jdh> mine costs $12/each
[09:30:54] <jdh> I hope yours are bigger!
[09:33:55] <JT-Shop> one 500 gallon and one 330 gallon
[09:35:37] <jdh> cooking meth?
[09:35:45] <JT-Shop> the small one is empty and the big one has 10%
[09:35:55] <JT-Shop> keeping my ass warm in winter
[09:36:22] <JT-Shop> and making my wife happy and warm
[10:22:17] <JesusAlos> hi
[10:29:12] <JesusAlos> I still with realtime problems
[10:29:14] <JesusAlos> http://postimg.org/image/soa0r2kmd/
[10:29:24] <JesusAlos> I think my configuration is ok
[10:29:37] <JesusAlos> but appear the realtime delay error
[10:31:00] <CaptHindsight> JesusAlos: raise the min base period until the problem goes away
[10:32:04] <JesusAlos> yes but need increase a lott
[10:32:16] <JesusAlos> and my machine only go to 4m/min
[10:32:33] <CaptHindsight> JesusAlos: run the latency test for a longer time, run firefox and watch some youtube videos, plug in a and mount a flash drive
[10:33:37] <CaptHindsight> JesusAlos: some motherboard, cpu, BIOS combinations don't have very low latency
[10:35:10] <CaptHindsight> you have to try all the best settings in BIOS by turning off all power management, speed stepping, virtual machines, etc
[10:35:12] <JesusAlos> CaptHindsight: I put htop for 13 hours
[10:35:29] <JesusAlos> the result was 10954 base treath
[10:36:03] <JesusAlos> you can see in image link
[10:37:46] <JT-Shop> note to self: Don't try and open the door to the VMC during a tool change
[10:38:39] <SpeedEvil> Did it change your tool?
[10:38:48] <archivist> he got wet :)
[10:42:42] <JesusAlos> I can't increase more than 50000 min base period from stepconf
[10:43:23] <JesusAlos> sorry: the maxium perod jitter
[10:43:29] <JesusAlos> can put more 50000
[10:44:06] <JesusAlos> sorry my English again
[10:55:05] <CaptHindsight> JesusAlos: right not it's at 15000, try it at 25000 or 30000 next, see if the problem is still there
[10:55:34] <CaptHindsight> not/now
[11:01:15] <JesusAlos> I put at 50000, the problem still
[11:02:18] <JesusAlos> can't put more than 50000 because the stepconf don't allo
[11:02:28] <JesusAlos> don't allow
[11:03:27] <CaptHindsight> JesusAlos: what kernel are you using? uname -r will tell you
[11:05:00] <JesusAlos> 2.6.32-122-rtai
[11:08:06] <JesusAlos> I was install from live CD, after installation accept updates synaptic recommend but still on Ubuntu10.04
[11:08:32] <CaptHindsight> JesusAlos: is this a laptop?
[11:08:42] <JesusAlos> not
[11:09:52] <jdh> My Atom on my router does that almost immediatly after starting.
[11:10:41] <CaptHindsight> JesusAlos: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?TroubleShooting http://wiki.linuxcnc.org/cgi-bin/wiki.pl?FixingSMIIssues have you tried everything here?
[11:12:36] <JesusAlos> you think the problem is my kernel?
[11:28:48] <JT-Shop> back running
[11:28:58] <JT-Shop> less than an hour lost
[12:02:03] <CaptHindsight> JesusAlos: some BIOS and CPU combinations just have poor latency
[12:08:31] <IchGuckLive> hi all B)
[12:08:56] <JesusAlos> hi
[12:09:07] <IchGuckLive> ;-)
[12:09:25] <IchGuckLive> JesusAlos: did you got all running
[12:09:45] <JesusAlos> still with realtime delay error
[12:09:58] <IchGuckLive> did you implement the SMI error fix
[12:10:15] <JesusAlos> SMI?
[12:11:10] <IchGuckLive> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?FixingSMIIssues
[12:11:55] <JesusAlos> oh no. i don't implemented
[12:11:59] <JesusAlos> I go to try in new installation
[12:12:10] <JesusAlos> a clean installation from live CD
[12:12:37] <IchGuckLive> be aware the new livecd has 12.04 2.6.10 on it
[12:15:12] <JesusAlos> are precompiled already?
[12:15:26] <JesusAlos> in web I can see 10.04
[12:15:41] <JesusAlos> but not 12.04
[12:19:59] <JesusAlos> ok I seeing
[12:35:10] <JesusAlos> go to install
[12:35:11] <JesusAlos> by
[12:51:19] <JEntrep> I am looking for people and ideas on what would be the best approach to 3D-Print Shoe "molds"
[12:51:41] <JEntrep> that could then be used to automate Shoes being fabricated with other materials
[12:51:52] <JEntrep> *automate Shoe fabrication with other materials
[12:52:55] <JesusAlos> Please, don't found binary.hibrid.Iso file download
[12:53:48] <ReadError> spell it right
[12:53:51] <ReadError> hybrid ?
[12:54:24] <JesusAlos> yes
[12:54:33] <JesusAlos> live CD 2.6
[12:55:07] <JesusAlos> sorry
[12:55:14] <IchGuckLive> JEntrep: normaly this is ,mad in AL
[12:55:20] <JEntrep> huh?
[12:55:30] <JEntrep> Sorry, I didn't understand what you meant IchGuckLive :/
[12:55:32] <IchGuckLive> not molded out of plastik
[12:55:58] <JEntrep> Right, the actual shoe is not made out of plastic (usually)
[12:56:15] <IchGuckLive> JEntrep: is it only for low pices production 1-100
[12:56:23] <JEntrep> but I was wondering if anyone in here could give ideas on the TYPE of automation a small process like this would require
[12:56:33] <JEntrep> low quantity production
[12:56:40] <JEntrep> but over how much time?
[12:56:42] <JEntrep> 100 a day?
[12:56:45] <JEntrep> with one machine?
[12:57:10] <JEntrep> (standard industrial 3D-printer)?
[12:57:19] <IchGuckLive> http://www.yumpu.com/de/framas
[12:57:21] <JEntrep> Sorry for being such a noob :/
[12:57:44] <IchGuckLive> framas is a factory near the Uni hee they produce 100k pices a day
[12:58:04] <JEntrep> 100k shoes? O_o
[12:58:17] <IchGuckLive> there are able to go for max 7 colors in one shot round up
[12:58:44] <JEntrep> I don't need nearly that much output right now
[12:58:54] <IchGuckLive> the shou is mad in a "karusell" mold maker with max 12 extruders on it
[12:59:17] <IchGuckLive> do you look for a shoe hole print or only parts
[13:00:06] <JEntrep> not sure yet
[13:00:14] <JEntrep> possibly whole printing, or parts printing
[13:00:41] <JEntrep> I am more so trying to get an idea of the level of machinery necessary to have a very small automated fabrication process
[13:00:52] <JEntrep> for shoes of limited materials/colors
[13:00:59] <JEntrep> just to get an idea
[13:01:08] <IchGuckLive> JEntrep: where are you i the world
[13:01:20] <JEntrep> USA
[13:01:28] <IchGuckLive> im in Germany
[13:01:38] <JEntrep> hehe :p
[13:01:43] <JEntrep> hallo
[13:01:55] <IchGuckLive> it is hard to discuss on limited language special words
[13:02:25] <IchGuckLive> Flecksole komponentensohle schaftaufbau ...
[13:03:37] <IchGuckLive> i worked 5years in a company that made molds for sole components
[13:03:58] <IchGuckLive> and knifes for punching ledder
[13:04:08] <JEntrep> oh awesome! :D
[13:04:33] <JEntrep> Where can I find information on sole fabrication and design?
[13:04:38] <IchGuckLive> im living in the area that once made up to 10Mio pairs of shoues a week
[13:05:27] <JEntrep> O_o
[13:05:30] <IchGuckLive> and now only one Big shoe production line and maybe 15 suply mashine makers
[13:05:40] <JEntrep> which company?
[13:05:51] <IchGuckLive> the clue maker quit in April
[13:06:48] <JEntrep> clue maker?
[13:06:51] <IchGuckLive> https://maps.google.de/maps?gs_rn=51&gs_ri=psy-ab&cp=18&gs_id=ps&xhr=t&bav=on.2,or.r_qf.&bvm=bv.72676100,d.bGQ&biw=1372&bih=902&um=1&ie=UTF-8&fb=1&gl=de&q=pirmasens+schuhfabrik&hq=schuhfabrik&hnear=0x47967b8b333f281d:0x874ac5e9b772e015,Pirmasens&sa=X&ei=uLvjU-mkFYmRO-btgJgC&sqi=2&ved=0CI4BEMgT
[13:07:25] <IchGuckLive> im impressed google brings up more then one 6 in total
[13:07:50] <IchGuckLive> Peter Kaiser is the bigest
[13:09:07] <IchGuckLive> JEntrep: there is a scool for shoue makers design and all stuff in town
[13:09:12] <JEntrep> do you know what their shoe production is like?
[13:09:14] <IchGuckLive> school
[13:09:28] <JEntrep> Well that's nice, but I am not in Germany. :P
[13:11:54] <JEntrep> IchGuckLive, do you know where I can find learning materials for design and fabrication?
[13:14:21] <IchGuckLive> thats part of 4 jobs and about 6years of learning and practice
[13:14:45] <IchGuckLive> whad CAD do you got or design Prog
[13:15:05] <IchGuckLive> for intire start is Blender the best to go
[13:15:07] <JEntrep> I can use various CAD programs (as necessary)
[13:15:22] <JEntrep> anything from AutoCAD to OpenSCAD
[13:15:33] <IchGuckLive> Shoe mold are normaly made in Solidedge
[13:15:50] <JEntrep> makes sense
[13:15:58] <JEntrep> but any CAD program can make solid models :)
[13:16:04] <IchGuckLive> but 3D printing is blender ok
[13:16:24] <JEntrep> Why only Blender? :/
[13:16:51] <IchGuckLive> i do not know your background
[13:17:05] <IchGuckLive> you may be a noob or a pro to some parts
[13:17:13] <JEntrep> both, depending
[13:17:17] <JEntrep> I am not new to CAD
[13:17:20] <JEntrep> I am new to Shoe design
[13:17:21] <IchGuckLive> as i speed
[13:17:24] <IchGuckLive> k
[13:27:36] <IchGuckLive> JEntrep: https://www.youtube.com/watch?v=Fitq_YyJvk0
[13:28:10] <IchGuckLive> step by step https://www.youtube.com/watch?v=aV6AoxOkX8w
[13:29:16] <IchGuckLive> https://plus.google.com/101076135528517730950/posts
[13:32:04] <IchGuckLive> JEntrep: http://tf3dm.com/3d-model/shoes-6058.html
[13:35:01] <Tom_itx> JT-Shop, did the safety interlock on the door mess up the toolchange sequence?
[13:35:33] <Tom_itx> oh and btw, you're overdue for a nap since you started production so early
[13:36:00] <JT-Shop> aye, it can open up just enough to trip the alarm and drop out the power
[13:36:21] <Tom_itx> i'd disable the front door...
[13:36:42] <Tom_itx> unless you got some monkey workin for ya that doesn't know better
[13:37:24] <Tom_itx> we found it handy to reach in and blow out the swarf between tool changes sometimes
[13:37:34] <Tom_itx> with a long air nozzle
[13:37:41] <Tom_itx> like 2' long
[13:38:07] <IchGuckLive> JT-Shop: winter is on the way fill your propan ;-)
[13:38:27] <Tom_itx> IchGuckLive, naw, all he needs to do is schedule a bunch of production in the winter
[13:38:32] <JesusAlos> by
[13:38:42] <IchGuckLive> hi JesusAlos
[13:38:47] <Tom_itx> keep em all runnin, that'll keep it warm
[13:38:48] <IchGuckLive> did it install new
[13:38:50] <JEntrep> IchGuckLive, Thanks for the awesome links IchGuckLive :)
[13:39:00] <JesusAlos> not I go now
[13:39:12] <IchGuckLive> JEntrep: up and running within 30seconds here
[13:39:14] <JesusAlos> downloades iso live CD
[13:39:23] <JEntrep> IchGuckLive, what do you mean by that?
[13:41:49] <IchGuckLive> JEntrep: as wee speek http://foengarage.de/shoe.png
[13:42:28] <IchGuckLive> ready to prit in 4 klicks
[13:42:31] <JEntrep> IchGuckLive, hehe so you are working on something? :p
[13:42:43] <JEntrep> IchGuckLive, what are you exporting it to?
[13:42:47] <IchGuckLive> no just to show you
[13:43:01] <IchGuckLive> the printer takes stl
[13:44:01] <IchGuckLive> Ok i need to move im off for Today BYE
[13:45:10] <JT-Shop> yea, the compressor keeps the garage warm when I'm busy
[13:45:44] <Jymmm> Tht reminds me, I need to ht the gun shop for soem ear plugs
[13:49:45] <JT-Shop> you have gun shops on the left coast? I thought they are outlawed out there
[13:52:08] <Jymmm> No, only guns, ammo
[13:53:28] <Jymmm> JT-Shop: Welcome to Kommifornia!
[13:54:17] <JT-Shop> yea I guess it's not wise to have guns and ammo when everyone is stoned
[13:54:31] <Jymmm> they have a nice headband like pair of earplugs.
[13:54:43] <Jymmm> Nah, the stoners aren't violent
[13:57:21] <jdh> just the drinkers
[14:39:29] <JesusAlos> I don't know why linuxcnc start with two branches Ubuntu and Devian
[14:40:20] <JesusAlos> can please some body explain something about?
[14:41:19] <JesusAlos> which branch have more continuity?
[14:46:15] <jdh> is there a debian one now?
[14:47:18] <JesusAlos> yes
[14:47:20] <JesusAlos> 2.6
[14:47:47] <JesusAlos> http://article.gmane.org/gmane.linux.distributions.emc.user/52401
[14:48:24] <jesusalos--> Ping
[14:54:05] <skunkworks> jesusalos--, I don't think it really matters.. the should all run the latest.
[14:55:35] <MrHindsight> JesusAlos, what hardware are you using? CPU and chipset or mainboard?
[14:58:20] <MrHindsight> I've seen latency test results <10uS when nothing like Firefox, Chrome, are run or compiling with GCC, then after starting any of those it jumps to >200uS
[14:59:19] <_1SheYode> does linuxcnc have a gcode command to display errors like it does with (msg, ...) (debug, ...) ?
[14:59:51] <MC500> hal scope isnt showing anthing on any chanel, is there somthing that needs to be configured for it to work>
[15:01:33] <JesusAlos> MrHindsight: celeron G1820 - msi H61M-P32/w8 - 2Gram
[15:01:49] <JesusAlos> and graphical card
[15:03:05] <JesusAlos> graphic card MSI N210
[15:04:29] <JesusAlos> skunkworks: is only for curiosity
[15:04:45] <JesusAlos> but what is the last Ubuntu 12.04 or Debian?
[15:05:06] <skunkworks> the newest livecd is base on debian wheezy
[15:15:17] <MrHindsight> JesusAlos, the latest releases use the same kernel 3.4.9 (pae) RTAI
[15:15:45] <MC500> I dont know whats going on but for some reason (besides not working at all) hal does not have a section in signals for my A axis (XYZA) what file is that in?
[15:18:43] <MrHindsight> MC500, if you use step_config to make the config files it should in your *.HAL
[15:20:00] <JesusAlos> this night try with the same PC, the same configuration but with 2.6 Devian clean installation
[15:35:46] <JesusAlos> by
[16:20:50] <asah> any servo heads here?
[16:22:32] <asah> I want to know how to derate the peak current on a servo from 230VAC to 120VAC wall power
[16:23:27] <asah> servo says 17.1 amps at 230VAC wall power
[16:24:50] <asah> now using 120vac wall power, which is 170v DC rectified.
[16:25:22] <asah> assuming this servo will still tolerate 17.1 amps at 170vdc.
[16:25:35] <asah> and probably more than that before meltdown.
[16:25:40] <asah> correct thinking no?
[16:28:24] <Deejay> gn8
[16:41:07] <Jymmm> An=An^2+Bn+C
[16:47:22] <PCW> asah: yes, current rating is same as before
[16:48:06] <asah> PCW: thanks
[16:49:47] <PCW> main limit is heat from I^2R in windings (this is voltage independent)
[16:54:53] <Jymmm> An = 3n² - 3n + 1
[16:58:46] <sliptonic> I'm trying to migrate my mill config from one of the 2.6 experimental branches. It's failing in the gmoccapy_postgui on the line addf abs_spindle_feedback servo-thread
[16:58:57] <sliptonic> The same line works fine in the sim.gmoccapy config.
[16:59:17] <sliptonic> How do I figure out what's going on?
[17:00:07] <asah> man this servo is powerful! small and torquey
[17:00:14] <asah> scary fast.
[17:01:05] <PCW> try it at 230V
[17:02:01] <sliptonic> /var/log/linuxcnc shows: hal_lib:19467:user HAL: ERROR: function 'abs_spindle_feedback' not found
[17:02:20] <ssi> asah: what servo is it?
[17:02:47] <ssi> I have some parker servos that are something like 16A at 170V
[17:03:54] <asah> its a parker MPC891-116074
[17:04:50] <asah> PCW: yeah I should… I do have 220 single phase from the wall… =) I don’t want to shake my mill apart.
[17:05:36] <asah> I am worried about my ballscrew backlash and getting too much acceleration during the lash zone.
[17:06:02] <asah> and having all that velocity turn into a big hit once it starts to accelerate the ballscrew from nothing.
[17:06:41] <asah> part of that is the trajectory planner being very jerky (infinite jerk on velocity step changes)
[17:08:06] <asah> but part of that is inherent in the backlash problem, what you have alluded to PCW about being really hard to handle closing a position loop around glass scales where you have significant backlash.
[17:08:22] <asah> “a world of pain” I believe was the reference or something.
[17:09:40] <asah> I dont’ want to beat up my ball screws, and I don’t want to beatup myself.
[17:09:45] <asah> =)
[17:09:51] <PCW> if you just use the scale for the integral part that limits the correction rate
[17:10:22] <PCW> how much backlash do you have?
[17:10:49] <asah> feels like about .1 to .2 of full servo rotation
[17:11:00] <asah> perhaps even a third.
[17:11:07] <PCW> thats a lot
[17:11:09] <asah> I haven’t gotten all quantitative on it yet.
[17:11:57] <asah> I am not sure if all that is totally no axis movment, so I really need to diff the scales movement to motor feedback to get clearer.
[17:12:10] <asah> but just playing with the tuning it is a bit jarring.
[17:12:35] <asah> I set a maxerrorD and maxcmdDD on the pid and that helped.
[17:13:08] <PCW> I would just use the motor encoder first untill you get the backlash thing figured out
[17:13:34] <asah> I mean I can use the glass scales as a reference, that tells me if the axis is moving.
[17:13:47] <asah> I do not have it currently plugged into my pid in any way.
[17:14:16] <PCW> backlash can come from lots of sources
[17:16:10] <Jymmm> Yeah, wife, kids, road rage, etc
[17:16:15] <PCW> ballscrew, bearing endplay, motor coupling
[17:16:58] <PCW> 1/3 of a turn needs to be fixed
[17:17:09] <asah> some is surely motor coupling, need to add some tightening there.
[17:17:22] <asah> I am not in front of it right now, so Ill have to report back.
[17:17:35] <asah> I may be exaggerating.
[17:17:36] <asah> =)
[17:17:53] <asah> feels like a “lot:
[17:17:55] <asah> "
[17:26:57] <ssi> my sloppy bridgeport clone has like 0.010" backlash, which is 1/20th of a revolution of the screw
[17:27:01] <ssi> any ballscrew should have FAR less than that
[17:32:12] <asah> Again, I can’t confirm how much lash this means at the axis though or on the actual screw as this is on the motor which is geared down at least 4:1 from ball
[17:55:34] <PetefromTn_> Damn I finally finished those parts today. Gotta pack and ship them out tomorrow. Then I am at a point where I have NOTHING to do on the machine sigh.
[17:57:33] <chris33> im reading up on spindles do all spindles need a vfd (inverter to run)
[17:59:08] <chris33> gor instance this one http://www.ebay.co.uk/itm/AIR-COOLED-1-5KW-SPINDLE-MOTOR-FOR-NUMERICAL-ENGRAVING-GRINDING-MILLING-h4-/120858490428?pt=UK_BOI_Industrial_Automation_Control_ET&hash=item1c23ba363c
[18:18:42] <asah> chris33: I would think you would want to go that way. using a vfd gets you nice speed control.
[18:19:02] <asah> you can just jam ac voltage on them, but that is a bit old school these days.
[18:19:19] <chris33> so it can be used without?
[18:19:43] <archivist> depends on the motor
[18:19:52] <asah> the spindle on my 1986 maho doesn’t have a vfd.
[18:20:05] <chris33> i gather if i have a solid stae relay
[18:20:09] <chris33> on controller
[18:20:31] <asah> it uses a two speed approach with a star/delta starter (I believe)
[18:20:47] <asah> I am replacing with a vfd soon.
[18:21:19] <archivist> you cannot get top speed without s vfd
[18:21:29] <archivist> s/a
[18:24:05] <BrownsGas> has anyone ever cnc'd a proton exchange membrane for a fuel cell?
[18:26:48] <JT-Shop> no, but I cnc'd my hydrogen generator and flux capacitor
[18:27:28] <PetefromTn_> You too...I love crankin' up my Delorean for a little time travel now and again.
[18:27:57] <PetefromTn_> what happened to your toolchanger?
[18:28:08] <BrownsGas> jt: what;s the surface area to vol ratio of your hydrogen gen?
[18:28:25] <Tom_itx> uh oh. somebody got called on it...
[18:29:45] <JT-Shop> Pete I tried to open the door during a tool change
[18:30:17] <PetefromTn_> oh what happened then?
[18:30:38] <ssi> lol
[18:30:59] <JT-Shop> the door lock is sloppy enough to trip the drive out then you have to mechanically turn the carousel back before you power up
[18:31:22] <PetefromTn_> so no crashy then? thats good.
[18:31:35] <PetefromTn_> is this on factory control system?
[18:32:20] <JT-Shop> yea DX-32 control
[18:32:35] <PetefromTn_> okay.
[18:32:59] <PetefromTn_> glad it was not a major catastrophe, it is possible with this style of toolchanger unfortunately.
[18:33:19] <JT-Shop> yea, so you take a bunch of stuff off and pull the drive motor that extends the carousel and retract it out of the way of the spindle then put it all back
[18:34:01] <PetefromTn_> the carousel extension is motor driven? Interesting mine is all pneumo.
[18:34:04] <JT-Shop> just when I'm in a hurry to get parts to a customer that failed to plan but pays well
[18:34:27] <JT-Shop> yea, it has a gear motor that spins a drum with a slot cut in it
[18:34:31] <PetefromTn_> jeez I hear ya.
[18:35:07] <PetefromTn_> so like a cam action using a large diameter gear to move the carousel under the spindle.
[18:35:16] <JT-Shop> then I had to try and remember how to do a subtraction in SolidWorks
[18:35:28] <PetefromTn_> you mean cut?
[18:35:39] <JT-Shop> the cam rides in a spiral groove in the drum
[18:36:10] <PetefromTn_> overcomplicated huh.
[18:36:13] <JT-Shop> you can take two parts and "combine" them after mating them and subtract one from another
[18:36:29] <PetefromTn_> Oh like a boolean cut?
[18:36:30] <JT-Shop> it's the best way to cut the cam profile in the cam guide block
[18:36:34] <JT-Shop> yea
[18:37:05] <JT-Shop> just making notes so I don't forget how to do it next time
[18:37:22] <PetefromTn_> repairing the toolchanger or doing the boolean cut?
[18:37:32] <JT-Shop> doing the subtraction
[18:37:38] <PetefromTn_> aah...
[18:37:46] <JT-Shop> toolchanger just had to be reset
[18:38:10] <JT-Shop> I wish I could convert the VMC to LinuxCNC
[18:39:20] <asah> do it… do it… =)
[18:39:46] <Tom_itx> JT-Shop, maybe you should start a solidworks 'howto'
[18:39:50] <PetefromTn_> why can't ya?
[18:40:28] <JT-Shop> I'd have to change the spindle servo and axis servos and all the drives
[18:40:38] <PetefromTn_> why?
[18:40:54] <JT-Shop> the spindle motor is a strange one that can't be driven with a vfd
[18:41:13] <asah> JT-Shop: what is the machine?
[18:41:35] <JT-Shop> BP Discovery 308
[18:41:35] <PetefromTn_> how is it controlled now?
[18:41:47] <JT-Shop> Semodrive 611
[18:42:08] <PetefromTn_> how is that controlled by the system is what I meant.
[18:44:20] <JT-Shop> dunno, all I know is the VFD people said they can't drive it
[18:44:47] <JT-Shop> http://www.gnipsel.com/images/Briggs/tab%20grinder%20nests.jpg
[18:44:55] <PetefromTn_> really wow that is interesting. I would imagine that the control has some kinda outputs and monitoring to it that would be doable somehow.
[18:45:07] <JT-Shop> because it is permanent magnet or something like that
[18:45:18] <JT-Shop> sure but not by a VFD
[18:45:21] <PetefromTn_> cool parts man.
[18:45:26] <JT-Shop> thanks
[18:45:33] <JT-Shop> spot my snafu
[18:45:34] <PetefromTn_> look like some simple ones tho really. what are they for?
[18:45:35] <JT-Shop> ?
[18:45:42] <asah> Control Techniques vector drive was mentioned in this retrofit thread: http://www.machsupport.com/forum/index.php?topic=3328.20
[18:46:18] <JT-Shop> cam shaft nest to grind the compression release tab for Briggs motors
[18:46:21] <PetefromTn_> I don't see any problems but the picture is kinda distant
[18:46:38] <PetefromTn_> is one of the holes buggered?
[18:46:43] <JT-Shop> look at the lower right one
[18:46:50] <JT-Shop> text upside down :(\
[18:47:04] <PetefromTn_> engraving upside down
[18:47:08] <JT-Shop> yea
[18:47:09] <PetefromTn_> LOL
[18:47:20] <JT-Shop> they won't care but I do
[18:47:25] <Tom_itx> woops
[18:48:12] <Tom_itx> you cut all those today?
[18:48:19] <JT-Shop> I still have a few more Ops on the parts on the top two rows and the ones to the left of the wedges
[18:48:31] <JT-Shop> last two days
[18:48:56] <JT-Shop> see my reminder dots?
[18:49:27] <JT-Shop> tap the holes here
[18:49:30] <Tom_itx> not that clear
[18:49:42] <JT-Shop> bottom parts the tapped holes on top
[18:49:45] <Tom_itx> oh at the bottom
[18:50:20] <JT-Shop> pretty close for just dabbing it with a marker to remind me which way to put them in
[18:50:38] * JT-Shop loves machining 7075
[18:50:44] <Tom_itx> yep
[18:50:50] <Tom_itx> good quality stuff
[18:51:15] <LeelooMinai> Is it much different than 6061?
[18:51:17] <JT-Shop> yea and not as gummy as 6061
[18:52:41] <Tom_itx> do they supply the material for you?
[18:53:34] <JT-Shop> no
[18:54:05] <Tom_itx> a bit different than aircraft here... they're kinda picky about what it's made out of
[18:54:16] <JT-Shop> I can imagine
[18:54:18] <Tom_itx> even grain direction matters on some parts
[18:55:04] * JT-Shop wanders inside to relax
[18:55:11] <JT-Shop> goodnight
[18:55:16] <Tom_itx> good days work there...
[18:55:22] <Tom_itx> you earned some supper :)
[19:02:00] <chopper79> Hello Everyone,
[19:07:16] <chopper79> I would like to pick the vast knowledge of of this room. I am using a 5i25 + 7i77 combo on my mill conversion. I have the machine up and running fine, but am having issues with my jog pendent still. I spoke to peter at Mesa on the phone today about the issue I was having and he gave me some suggestions on what it could be. The issue I am having is that all my axis selections work, the increment selection works, but when I try to jog the ma
[19:08:42] <Tom_itx> shorten your post. only the first part made it here
[19:08:51] <Tom_itx> , but when I try to jog the ma
[19:09:24] <chopper79> ok
[19:09:46] <chopper79> but when I try to jog the machine the axis will move then shoot back to the original position. Example would be if I set the pendent to move on X axis at .01 increment, the machine will move the .01 and then go right back to the position it started. Any clues of what could be causing this? I have my config files I can post up if needed
[19:10:32] <PetefromTn_> I once had the wire come off on the MPG on my similar setup and it did something like that.
[19:10:41] <chopper79> To add to this both pendents I tried do the same thing and both are the following pendent. http://www.cnc4pc.com/Store/osc/product_info.php?cPath=40&products_id=162
[19:10:42] <PetefromTn_> I would double check the wiring to the encoder.
[19:11:00] <chopper79> double checked both pendents same issue and all wires are secure
[19:11:04] <Tom_itx> also, note all the active G & M codes during this
[19:11:57] <Tom_itx> i can show you my pendant code if you like
[19:12:13] <chopper79> @Tom... I will have to not them tomorrow as I am away from work.
[19:12:25] <chopper79> I would love to see your code please
[19:13:33] <chopper79> I brought all my files home so I could compare and do some research on the issue.
[19:13:41] <Tom_itx> http://tom-itx.no-ip.biz:81/~webpage/cnc/configs/sherline/
[19:13:52] <Tom_itx> the bulk of the pendant code is in my_jog.hal
[19:14:01] <Tom_itx> some may be in the main one
[19:15:11] <chopper79> yeah mine is WAY different... hmm
[19:15:13] <Tom_itx> http://tom-itx.no-ip.biz:81/~webpage/cnc/pendant/pendant1.jpg
[19:15:19] <chopper79> I will post it up here
[19:15:21] <Tom_itx> that's basically what it looks like
[19:15:32] <chopper79> nice pendent
[19:17:59] <LeelooMinai> I was expacting some kind of CNCed ornamental pendant
[19:18:51] <chopper79> http://pastebin.com/raw.php?i=jKFp0BWN
[19:19:18] <LeelooMinai> Is that what those things are formally called?
[19:19:24] <Tom_itx> LeelooMinai, it's just a little sherline :)
[19:20:21] <LeelooMinai> Hmm, apparently they are: http://www.aliexpress.com/item/CNC-4-Axis-USB-Pendant-Manual-remote-Control-JOG-encoder-for-Mach3-ONLY/593668103.html
[19:20:41] <LeelooMinai> Probably would not work with linuxcnc though (?)
[19:21:01] <Tom_itx> yeah, for starters it's usb
[19:21:54] <LeelooMinai> I could design/make my own, but in the past I thought I could maybe use cheap tablet to control the machine.
[19:22:14] <LeelooMinai> One of those $27 ones maybe
[19:22:18] <LeelooMinai> $37*
[19:23:40] <LeelooMinai> Would not have nice physical knob, but would have flexible interface.
[19:24:07] <Tom_itx> the knob is the best part
[19:24:10] <LeelooMinai> Well, I guess I could have knob as an attachment - that would be best of two worlds.
[19:24:35] <LeelooMinai> Right, nothing beats nice big solid0feeling knob
[19:25:30] <LeelooMinai> SO the whole thing, tablet + knob would be $50 or so - but probably would require programming the interface, unless someone made some android app like that.
[19:27:34] <chopper79> Did my pastebin link show up?
[19:29:52] <LeelooMinai> I saw it
[19:31:49] <chopper79> Thanks, just wanted to make sure
[19:32:14] <chopper79> So if anyone looked over the file in the link does anyting look out of the ordinary, that would cause my issue?
[19:32:21] <chopper79> anything*
[19:37:52] <Tom_itx> i'm not familiar with the mapping on the 5i25.. is hm2_5i25.0.7i77.0.0.enc0 the count out?
[19:38:05] <Tom_itx> net mpg-out ilowpass.0.in <= hm2_7i43.0.encoder.00.count
[19:38:09] <Tom_itx> i specify count on mine
[19:39:13] <chopper79> That would be the count out
[19:39:49] <Tom_itx> what is your lowpass scale?
[19:40:06] <chopper79> 10
[19:40:18] <Tom_itx> if you compare mine, it's really quite similar
[19:40:22] <Tom_itx> with the jog part
[19:46:13] <chopper79> They are close after copy, paste and remove the rest of the text
[19:46:18] <chopper79> hmm....
[19:46:51] <Tom_itx> that's why i'm wondering what else it could be
[19:48:36] <chopper79> I agree, PCW was thinking a bad encoder section on the MPG, but changed out for a new mpg and same issue. The count in HAL configuration when I watch enc0 only changes from 0 to -1 and never 0 - +1
[19:49:21] <Tom_itx> put an led on it and watch it
[19:49:25] <chopper79> maybe its something in the mpgs then and its not seeing the A or B input for some reason. I just cant imagine 2 bad mpgs back to back
[19:49:28] <Tom_itx> see if any miss
[19:49:42] <Tom_itx> i doubt it
[19:50:46] <Tom_itx> what about the encoder mode?
[19:51:30] <chopper79> Since its using MPG mode on the 7I77 I would use only input 16 and 17 and not one of the encoder inputs.
[19:51:45] <chopper79> If i am not mistaken, which is entirely possible
[19:52:08] <PetefromTn_> Thats what I am using on mine.
[19:52:23] <chopper79> so I am not sure if I would still need a count
[19:53:26] <PetefromTn_> https://www.youtube.com/watch?v=vC0uvUuXVh8 here ya go!
[19:54:19] <chopper79> @pete.... nice
[19:54:24] <chopper79> haha
[19:54:44] <PetefromTn_> ;)
[19:55:03] <chopper79> Does your hal look similar pete to the one I pasted?
[19:55:58] <PetefromTn_> honestly i do not know I have to go out there and crank up the machine and take the files off. We are eating dinner right now.
[19:56:43] <chopper79> i understand... just polished off some pizza myself so I could get on here and get this nightmare figured out.
[19:57:33] <chopper79> my hal looks fine to me, but I am sure I am missing something
[19:57:43] <chopper79> unless 2 mpgs are bad
[19:57:59] <PetefromTn_> amazing how one single charachter can srew up the works in there.
[19:58:52] <Tom_itx> view the encoder outputs in show hal config
[19:59:03] <chopper79> I know I chased one of those issues a year ago for about 6hrs and found that I missed a single character
[19:59:03] <PetefromTn_> good idea.
[19:59:26] <Tom_itx> trace the signal there and make sure it's doing what you think it is
[20:01:15] <chopper79> I have viewed enc0 and the number only goes form 0 to -1 and never 0 to +1 regardless of rotion direction.
[20:01:47] <Tom_itx> i'd look into that then
[20:01:56] <Tom_itx> i bet the mode or something is wrong
[20:02:02] <chopper79> I agree
[20:02:15] <Tom_itx> but i don't know how PCW does it on the 5i25
[20:02:51] <Tom_itx> are you using A+ B+ signals?
[20:02:56] <chopper79> so even though I am using inputs 16 and 17 and not an encoder input would I still need the counter mode?
[20:02:57] <chopper79> yes
[20:02:58] <Tom_itx> or A- B-?
[20:03:00] <Tom_itx> or both
[20:03:11] <chopper79> A and B out of MPG
[20:03:19] <Tom_itx> that would just reverse the encoder
[20:03:19] <chopper79> no -
[20:03:26] <Tom_itx> so am i
[20:03:56] <chopper79> correct, I could see if I was using all 4 and I had something backwards but its difficult to mess up 2 wires
[20:03:56] <Tom_itx> do you need any pullups / downs on the inputs?
[20:04:19] <Tom_itx> PCW should be here somewhere
[20:04:47] <chopper79> I believe they are already taken care of, I would have to look at the manual and or consult PCW on that one
[20:05:17] <Tom_itx> check show hal config when you get a chance
[20:05:36] <Tom_itx> start at the encoder pins and trace the signal out from there
[20:05:40] <chopper79> that woint be for 12hrs
[20:05:42] <chopper79> wont
[20:05:58] <Tom_itx> do you have an encoder there?
[20:06:04] <chopper79> got tired of looking at it at work so came home so I could relax
[20:06:06] <Tom_itx> you can test it with an led too
[20:06:17] <chopper79> both are at work
[20:06:21] <Tom_itx> A will be on when B is off
[20:06:56] <Tom_itx> i forget if there's overlap on them...
[20:07:05] <Tom_itx> but one will follow the other
[20:07:13] <Tom_itx> depending on the direction
[20:07:30] <chopper79> I checked with a volt meter when I was down there and both show output but its jumpy
[20:07:59] <Tom_itx> it's probably ok but you need to see the pulse somehow
[20:08:18] <chopper79> Ok
[20:08:53] <chopper79> Since I do not have it in front of me and my work does not have interweb access anything else I can check?
[20:10:01] <Tom_itx> http://en.wikipedia.org/wiki/Quadrature_encoder#mediaviewer/File:Quadrature_Diagram.svg
[20:10:11] <Tom_itx> there is overlap
[20:10:23] <Tom_itx> it's how direction is determined. they are 90 deg out of phase
[20:10:46] <chopper79> I see, that woudl explain why my voltage never really dropped
[20:10:52] <chopper79> to 0
[20:11:04] <Tom_itx> that's why i suggeted leds
[20:11:13] <Tom_itx> or just look at show hal
[20:11:21] <chopper79> Need to check my parts bins
[20:12:03] <Tom_itx> you can see it in the watch window
[20:12:46] <chopper79> yes, they both change but seem like that are jumpy also or not consistant
[20:13:28] <chopper79> may take 2 clicks to get one to change and then take a couple back an forth rolls actiosn to get another to change
[20:13:30] <Tom_itx> move the MPG slowly
[20:13:35] <Tom_itx> and watch it
[20:13:56] <Tom_itx> mine changes state _between_ the detents
[20:14:32] <chopper79> mine dont seem to do that if I recall. It flickers and then goes back to the first on that was lit
[20:14:54] <Tom_itx> http://www.pmdx.com/MPG-01
[20:14:54] <chopper79> or not lit at all
[20:15:00] <Tom_itx> that's the one i have
[20:16:00] <Tom_itx> you sure it's quadrature out?
[20:16:54] <chopper79> http://www.cnc4pc.com/Store/osc/product_info.php?cPath=40&products_id=162
[20:18:33] <chopper79> according to this it is quad
[20:18:39] <Tom_itx> yeah
[20:19:10] <chopper79> this is the last piece to the puzzle and I can start making parts again
[20:19:26] <Tom_itx> and you're wiring it up to the 7i77?
[20:19:30] <chopper79> Dont like to edge find with out a pendant
[20:19:49] <chopper79> yes on input 16 and 17 and board is set for mode 3
[20:19:58] <chopper79> which is MPG mode
[20:20:09] <Tom_itx> you need to get the pendant output to look like that wiki signal i posted
[20:21:00] <Tom_itx> what other modes does it have?
[20:26:52] <chopper79> MODE 0 I/O only mode (32 bits of input data, 16 bit of output data)
[20:27:02] <chopper79> MODE 1 I/O plus analog input mode (32 bits of input data, 16 bits of output data, 4 analog input channels on inputs 0..3)
[20:27:11] <chopper79> MODE 2 I/O plus analog input and field voltage mode (32 bits of input data, 16 bits of output data, 4 analog input channels (on inputs 0..3) and field voltage analog in)
[20:27:20] <chopper79> MODE 3 I/O plus analog input and field voltage mode (32 bits of input data, 16 bits of output data, 4 analog input channels (on inputs 0..3), field voltage analog in and 2 MPG encoders on inputs 16..19). Default encoder count mode is 1X to match normal 100 PPR MPGs. Encoder input threshold is fixed at 2.5V for compatibility with 5V encoder outputs.
[20:28:51] <chopper79> seen a post by PCW on linuxcnc
[20:28:54] <chopper79> You change the "sserial_port_0=SOMETHING" parameter in the
[20:28:55] <chopper79> firmware config line at the top of the .ini file to sserial_port_0=M00xxx"
[20:28:55] <chopper79> where M is the mode for the 7I77 field I/O (0,1,2,3)
[20:28:55] <chopper79> Note that the MPG option (mode 3) was added
[20:28:55] <chopper79> recently and may not be present on your 7I77
[20:29:07] <Tom_itx> yeah i did that on mine
[20:29:20] <chopper79> did you use the M
[20:29:32] <chopper79> before putting 3
[20:29:37] <Tom_itx> i don't remember i was just testing a sserial card on that machine
[20:29:45] <chopper79> got ysa
[20:29:47] <chopper79> ya
[20:29:51] <Tom_itx> and the drive isn't hooked up right now or i'd boot it
[20:30:01] <Tom_itx> i'm testing 2.6.1 on a ssd right now
[20:31:00] <chopper79> wonder if I need to go sserial_port_0=M300xxx" instead of just sserial_port_0=300xxx"
[20:31:15] <chopper79> PCW if your on here can you clarify this please
[20:34:57] <Tom_itx> i don't have mine wired to the sserial card right now
[20:35:07] <Tom_itx> your mode is correct mode3
[20:36:13] <atom1> sserial_port_0=22xxxxxx"
[20:36:23] <atom1> is how i did mine in the config
[20:36:39] <Tom_itx> just the numbers
[20:39:52] <Tom_itx> chopper79, don't use the M
[20:40:15] <Tom_itx> i think it's supposed to be 8 bits wide though
[20:40:27] <Tom_itx> so xxx the unused ones for good practice
[20:43:18] <chopper79> are you using inputs 16 and 17 or are you using and encoder input
[20:43:36] <Tom_itx> i don't have a 5i25
[20:45:18] <chopper79> so what are your A and B connecting to from your pendant
[20:45:39] <Tom_itx> in contrast my MPG is on IO 4 & 6
[20:46:07] <Tom_itx> i'm using a 7i43 with a 7i47
[20:46:33] <chopper79> # MPG encoder feedback
[20:46:34] <chopper79> #setp hm2_[HOSTMOT2](BOARD).0.encoder.00.counter-mode 0
[20:46:34] <chopper79> # Set counter-mode to quadrature (1) -- was set to single mode
[20:46:34] <chopper79> setp hm2_[HOSTMOT2](BOARD).0.encoder.00.counter-mode 1
[20:46:34] <chopper79> setp hm2_[HOSTMOT2](BOARD).0.encoder.00.filter 1
[20:46:34] <chopper79> setp hm2_[HOSTMOT2](BOARD).0.encoder.00.index-invert 0
[20:46:34] <chopper79> setp hm2_[HOSTMOT2](BOARD).0.encoder.00.index-mask 0
[20:46:34] <chopper79> setp hm2_[HOSTMOT2](BOARD).0.encoder.00.index-mask-invert 0
[20:47:15] <chopper79> I see your using mpg encoder feedback is that due to you using the mpg as an encoder input
[20:47:48] <chopper79> your input s as encoder inputs from mpg
[20:47:54] <chopper79> I meant
[20:58:31] <Tom_itx> yeah
[20:58:41] <Tom_itx> that may be the difference
[20:59:26] <chopper79> well i replaced your hm2 sectiosn of code with my hm2 sections and I am going to insert your hal file into my machine and see what hapens also
[21:59:19] <pcw_home> sserial_port_0=300xxx is correct for a 7i77x2 config (since it has 6 sserial channels)
[21:59:21] <pcw_home> sserial_port_0=300xxxxx will work also (the extra Xs are ignored)
[22:02:57] <Tom_itx> ok
[22:03:22] <Tom_itx> i just figured they all had 8
[22:12:21] <chopper79> Thank for clearing that up PCW
[22:12:47] <chopper79> After I got off the phone with you I tested the other pendant and same issue
[22:14:33] <chopper79> I thought about using the config wizard to help setup the mpg but need some clarification on some of the terminology. Is thee a site or wiki that I can read up on mpg setup in Pnconfig?
[22:14:35] <PetefromTn_> what do you think of the quality of those pendants? I am looking for a decent one for the VMC
[22:16:19] <chopper79> They have always did me right when I used them on parallel port setups. Always did good and lasted forever. First time using them on mesa setup so I am sure it will be just as good if not better after its working. I will probably build my own next time just to do it.
[22:18:44] <PetefromTn_> I would prefer to have a tad more functions on it but that really has most of the necessities and I like the rotary switches for axis and step selection.
[22:19:29] <Tom_itx> http://www.kelinginc.net/BreakoutBoards.html
[22:19:35] <Tom_itx> basic
[22:19:46] <chopper79> Yeah since I am not using axis 4-6 I thought about using them for other things such as overides, etc.
[22:21:35] <Tom_itx> http://www.aliexpress.com/w/wholesale-cnc-pendant.html
[22:22:05] <Tom_itx> most of those are USB
[22:22:16] <PetefromTn_> they do have a wired model.
[22:28:11] <chopper79> does anybody know what the following is..... jog incr A
[22:28:48] <chopper79> Its in the pncConf and does it correspond to an axis?
[22:29:07] <chopper79> same with ..... joint select A
[22:29:48] <chopper79> I could see if it was Jog incr 1 and joint select 1 but its not so what do these match up to?
[22:30:18] <chopper79> nevermind just hit me
[22:32:00] <pcw_home> If it doesnt count it most likely a hardware issue (halmeter hm2_5i25.0.7i77.0.0.enc0 I think is the pin)
[22:32:01] <chopper79> jog incr (#) goes to the X1, X10, X100 and joint select (#) goes to x, y, or Z and they correspond to what inputs I put my wires to
[22:33:37] <chopper79> pcw_home, that is the line and it counts only in one direction like I was saying on the phone, but does it with two different pendants and I am not sure I how I have two bad one back to back
[22:34:08] <chopper79> possible though
[22:34:11] <pcw_home> this is something to test with a voltmeter
[22:35:11] <chopper79> I did and the readings are all over can not get a good solid reading. The reading will bounce from 2.5v - 0 - 1.3 4 - 1
[22:35:27] <chopper79> I was thinking I woudl be able to get a consistand voltage but I guess not
[22:35:56] <chopper79> consistent
[22:36:11] <pcw_home> with the MPG untouched?
[22:36:23] <chopper79> no when rotation the jog wheel
[22:36:35] <chopper79> untouched I get about 3 - 4 v
[22:36:41] <chopper79> on A side and nothing b side
[22:37:11] <chopper79> it may be hardware issue and I have a couple bad units
[22:37:16] <chopper79> pendants that is
[22:37:58] <pcw_home> both a and b toggle when moving?
[22:38:10] <chopper79> yes
[22:38:27] <chopper79> they both will read when moving
[22:38:41] <chopper79> just nothing jumpy
[22:38:46] <chopper79> but jumpy
[22:40:40] <chopper79> One of the pendants I too completely apart and redone all the connections so make sure that the wiring was making good contact. no luck
[22:41:33] <tk8196> Good evening. Mesa 7i49 w/ 3 axis mill. had 1 axis working but tuning was a nightmare. Getting weird response that after some searching, looks like the resolvers needed to be run at half the voltage. This requires changing from the aout0 and resolver0 on the 7i49 to aout3 etc respectively. This is the hal file before changing
[22:41:37] <tk8196> http://pastebin.com/4y2Fe2gm
[22:41:53] <chopper79> must be getting tired my typing is getting worse
[22:42:29] <tk8196> I've successfully changed the resolver info to the correct inputs as I can get proper resolver feedback in Axis, however trying to change everythign else over so that the motor output is connect properly has eluded me
[22:49:13] <pcw_home> chopper79: if you only have 3V that may be marginal for the 7I77 inputs (they have a 2.5 v threshold)
[22:49:57] <chopper79> explain please, seems to not make any sense right now
[22:50:13] <pcw_home> might try pullup resistors if they are TTL outputs or check you 5V power at the MPG is they are CMOS
[22:51:39] <chopper79> 4.9v at mpg vcc in
[22:52:22] <pcw_home> you said high A/B level was 3-4V, thats low for a high input to the 7I77 mpg inputs (2.5V threshold with 10% hysteresis)
[22:52:53] <chopper79> got understood now
[22:53:00] <chopper79> go tit
[22:53:02] <chopper79> it
[22:54:13] <chopper79> so I need to be up closer to 5v then. I have 4.9v input (reading taken at terminal inside MPG)
[22:54:29] <pcw_home> tk8196 only thing that should change would be the resolver channels (assuming you left the analog out connnections unchanged)
[22:54:40] <chopper79> so what would be dropping it down that much?
[22:55:01] <pcw_home> If they are old they may be TTL
[22:56:20] <pcw_home> I would check the B high level also (probably requires very slow movement of the MPG so set it high)
[22:56:22] <tk8196> I changed the A out as well, when we test, Hal meter would show 10 out and no change with DVM for the AOUT...
[22:57:25] <pcw_home> did you set the PWM mode right for the other channels?
[22:57:56] <chopper79> They are TTL according to the specs
[22:58:07] <chopper79> http://www.cnc4pc.com/Store/osc/product_info.php?cPath=40&products_id=162
[22:58:21] <chopper79> http://cnc4pc.com/images/MPG2_E.jpg
[22:58:45] <pcw_home> and if you read the 7I77 enc0 pin is just counts between 0 and 1?
[22:59:10] <chopper79> yes - 0 and -1
[23:00:31] <chopper79> They work fine with a parallel card and external pendant interface but the interface is also supplied with 5v and takes a lower voltage input from mpg and steps it up to 5v solid to the parallel port inputs. Maybe that woudl explain it
[23:01:31] <chopper79> but I do get some movement on the axis just not correct movement. 0.01 movement will move machine 0.01 and then its puled back to origansl position
[23:01:55] <chopper79> lack of input voltage to the 7i77 from mpg will cause this
[23:01:57] <chopper79> ?
[23:02:26] <pcw_home> and they are wired to inputs 16 and 17 (bottom 2 pins on TB7)
[23:02:34] <chopper79> yes sir
[23:03:29] <pcw_home> maybe to low for the 7I77 to read (you might try a 1K or so pullup resistor on A and B)
[23:03:45] <pcw_home> A and B
[23:04:15] <chopper79> so add a pull up and see if the voltage is higher
[23:04:32] <pcw_home> it will be
[23:06:14] <chopper79> well need to give it a try then
[23:08:35] <chopper79> first go around with a pull up
[23:09:02] <tk8196> I'm not sure what we did the first time we tried resolver.03 with axis.00 but its functioning now so thank you for your time
[23:09:37] <chopper79> let me get this correct.... take resistor and attach one side to ground and the other to A line?
[23:10:06] <chopper79> increases the load so increases output?
[23:13:51] <chopper79> also all I have close to 1k is 680, and 1.5k resistors. The 1.5k takes care of the " or so" part but this may be to much?
[23:17:27] <chopper79> I have a few 102 1206 package resistors but not sure if I have anyplace to place them in the mpg unlike a through hole resistor.
[23:22:27] <chopper79> or does the pull up go between the 5v+ and the A line? Nothing to ground
[23:23:36] <pcw_home> one side to _5V_ and one side to A
[23:23:38] <pcw_home> same for B
[23:24:05] <chopper79> Ok I found a diagram for pull ups and pull downs so this makes sense now
[23:24:13] <chopper79> slow sometimes... soryy
[23:24:16] <chopper79> sorry
[23:25:44] <chopper79> Well im off to bed I have to be up in 5hrs so go back at this conversion. Thank you all for the help. After I test and work on this some more I will update you with what I find out.