#emc | Logs for 2011-04-16

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[00:35:12] <Gensor> andy: what did you end up using for your high end motherboard???? did you get an atom 330?
[00:40:49] <andypugh> D510.
[00:41:05] <andypugh> Not what I would call high-end
[00:41:23] <andypugh> But 4k latency on the servo thread looks great to me.
[00:41:28] <atom1> nobody seems brave enough to try a D525
[00:41:47] <Gensor> I thought you were shopping for something better with lvd???? special monitor support
[00:42:17] <andypugh> No, I think there are folk using them. However I think the evidence I have seen is that they are not _quite_ as good.
[00:42:28] <andypugh> Ah, yes, I gave up :-)
[00:42:58] <Gensor> ok.... I thought my eyes were decieving me
[00:43:55] <Gensor> so 1gig ram and 4+gig ssd with fast read/write as a minimum
[00:44:43] <andypugh> I actually have an LVDS mobo with touchscreen (an old POS terminal) that might well make a reasonable EMC2 machine, but it has (at the very least) a duff PSU and doesn't seem to produce screen output.
[00:45:11] <andypugh> 1gig is probably rather more than minimum.
[00:45:29] <andypugh> 4G SSD is probably a bit tight.
[00:45:46] <Gensor> what is the easiest way to to load the os?
[00:46:06] <atom1> is there a ram limit on what linux will use?
[00:46:17] <atom1> Gensor, the live cd
[00:46:21] <andypugh> SATA CD drive, probably. I made a bootable USB stick.
[00:46:43] <atom1> andy, did you make it off the live cd?
[00:47:02] <andypugh> Yes. IIRC I used pendrivelinux.com and the ISO.
[00:47:06] <atom1> i'd like to try that once
[00:47:29] <atom1> i got a 32G ssd to try
[00:47:32] <Gensor> me too...
[00:47:50] <Gensor> any preference on the ssd
[00:48:00] <andypugh> On what MoBo?
[00:48:17] <atom1> http://tom-itx.dyndns.org:81/~webpage/intel_atom/atom_index.php
[00:48:17] <andypugh> D510 has a special USB SSD slot.
[00:48:34] <atom1> http://tom-itx.dyndns.org:81/~webpage/intel_atom/SSD2.jpg
[00:49:04] <atom1> i got the D525 since it was only $5 more and had the parport out the back
[00:49:33] <andypugh> What's the blue thing?
[00:49:44] <Gensor> and the lantency difference from the d510
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[00:50:15] <atom1> what blue thing?
[00:50:30] <atom1> my miller?
[00:50:35] <Gensor> atom: are you just showing what you have... or implying this is an optimal configuration
[00:50:44] <atom1> just showing
[00:50:52] <atom1> i have yet to use emc but i'm getting set up to
[00:50:59] <andypugh> Big, rectangliar, near the CMOS batttery
[00:51:31] <atom1> ram
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[00:51:43] <atom1> 2 sticks
[00:52:29] <Gensor> Atam: how soon before you test your system?
[00:52:39] <atom1> i did a latency test
[00:52:41] <andypugh> Ao you don't have a space for the USB SSD of a type that almost nobody makes then?
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[00:52:44] <atom1> it was in the 4k range
[00:53:08] <atom1> no
[00:53:23] <atom1> not that i'm aware of anyway
[00:53:25] <andypugh> My SSD is a an SATA DOM one, ie it plugs into an SATA port diectly. Seems to work, and was cheap.
[00:53:39] <atom1> mine is sata
[00:54:20] <Gensor> what is the latency on a 510
[00:54:36] <andypugh> I have tried 2 wifi cards in the min PCI-E. Both stop the machine even booting to BIOS. I am going for wired networking.
[00:54:57] <andypugh> D510MO is about 4k. 6k if you torture it.
[00:55:03] <atom1> i went wired out the back
[00:55:16] <atom1> sounds about the same latency as mine
[00:55:34] <andypugh> Gets rather bad with the USB webcam though, I am not sure what to do about that.
[00:55:42] <atom1> will linux use more ram if you give it more?
[00:55:45] <andypugh> (Webcam centre-finder)
[00:55:57] <andypugh> If it needs to, yes.
[00:56:24] <atom1> i went ahead and filled it since i don't upgrade often
[00:56:58] <atom1> currently using a 320G hdd but have the ssd to test
[00:57:02] <Gensor> atom: do you feel there is any risk in your purchase for EMC? I am new at this and dont need any unsupported issues
[00:57:28] <atom1> i'm new to it too but i wouldn't have gotten it if i didn't think it would work
[00:57:46] <atom1> and it's only $5 more and i think the ram is cheaper for it
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[00:57:50] <atom1> brb
[00:58:07] <Gensor> andy... do you see risk?
[01:03:51] <Gensor> http://www.newegg.com/Product/Product.aspx?Item=N82E16813121442&nm_mc=OTC-Froogle&cm_mmc=OTC-Froogle-_-Motherboard+/+CPU+/+VGA+Sets-_-Intel-_-13121442
[01:05:11] <andypugh> I see a very small risk on a $75 component. I spent more on bearings and suchlike for a misconceived attempt to not convert my Z from acme. The motherboard is a cheap part, and if it's hopeless, you have a file server or media box. I have spent that amount on motor connectors.
[01:07:09] <Gensor> Im not conserned about the price... but wasting time on a problem when the mb is not fully supported
[01:07:26] <atom1> well that's what i got
[01:09:26] <atom1> i'm honestly thinking about getting another one
[01:10:04] <atom1> i was gonna stuff it in the shop but i kinda like having it here for irc etc
[01:10:25] <atom1> i was using a via board for irc up until i got this
[01:10:40] <atom1> i don't think it'll run emc
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[01:11:46] <Gensor> why do you say that? I thought that is why you bought it
[01:12:24] <atom1> no, i'm taling about my old itx
[01:12:41] <atom1> http://tom-itx.dyndns.org:81/~webpage/itx/EPIA-MII-45.jpg
[01:12:43] <atom1> that one
[01:13:06] <atom1> it's on my mill right now but not using emc
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[01:35:46] <ds3> 7
[01:36:50] <Gensor> atom... I think I will purchase the same thing unless someone says differently
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[02:32:01] <Gensor> atom... you still there
[02:39:17] <atom1> on and off
[02:39:45] <Gensor> what did you do for a power supply
[02:40:41] <atom1> the case i got came with it
[02:41:46] <atom1> http://www.newegg.com/Product/Product.aspx?Item=N82E16811154091&cm_re=itx_case_with_power_supply-_-11-154-091-_-Product
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[07:13:18] <stillme> hi all, i would like to know if someone ever used twist bit to machine mdf on a cnc??
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[07:34:24] <Valen> probably work for "non production use" ;->
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[07:53:42] <archivist> the edges are not designed and made for cutting is you mean drill bit, no clearance
[07:53:51] <archivist> is/if
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[08:00:27] <Valen> still only MDF ;-> it'd work for a while lol
[08:02:52] <archivist> I have abused drills and they are exceedingly poor side cutters
[08:03:14] <atom1> unless it's your finger they're working on
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[08:20:30] <stillme> so its best to keep to spiral bit??
[08:23:43] <archivist> wpiral is another name for twist or helex, please use correct name for the tool in question
[08:24:11] <archivist> without my typos of course :)
[08:25:04] <archivist> a router bit has clearance on the cutting edge
[08:26:19] <stillme> well am new to these and am even trying to understand which bit is for which. i want to buy a bit to use for my cnc, the one i tested it with was HSS 2mm bit,
[08:26:40] <stillme> it worked for just shallow (less than 1mm) cuts
[08:27:12] <stillme> so am kind of trying to find out what bit to look for and buy
[08:43:08] <archivist> depends.. different materials need different cutting tool forms, 1mm deep per pass for a tiny 2mm tool is ok for some materials
[08:44:43] <archivist> here bit,spiral,twist still do not refer to the cutting edge in any way
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[08:50:14] <archivist> we dont know if you have a dremel style spindle at high rpm or something else
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[11:22:26] <jthornton> bits bits bits
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[13:04:03] <atom1> kibbles n bits
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[13:11:14] <jthornton> HAL: ERROR: function 'endoder.update-counters' not found :)
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[15:57:51] <Paragon-WS> Hello All, I have decided to user stepperconf for the first time (I have always edited the .ini by hand in the past) and I having some issues with calibrating the axis's. The stepper motor is 200steps 1.8degree but driver is micro stepping 800 the motor pulley = two turns to one turn of lead screw. Leadscrew pitch is 4mm (ie table moves 4mm for every leadscrew turn). Picture paints a...
[15:57:52] <Paragon-WS> ...1000.... https://docs.google.com/leaf?id=0B53oJoJXbpkCYWVkZmFhMmItZDdlOS00MDk3LTkwMGEtM2QzYTgyYjViMWE3&hl=en&authkey=CP-U_twN
[16:05:32] <JT-Shop> so 1/4 turn is one user unit (in your case a mm)
[16:06:15] <JT-Shop> the only important number is the one that hides at the bottom of the screen Steps / mm
[16:07:44] <JT-Shop> Paragon-WS: so 400 steps = 1 mm in your case? if I did the math correctly in my head
[16:08:51] <JT-Shop> pulley teeth can be misleading :/
[16:09:20] <archivist> sure you have the pulleys on the right spindles there?
[16:09:24] <JT-Shop> you have it as if it takes 1/2 turn on your motor for 1 turn on your leadscrew
[16:09:52] <Paragon-WS> With the current setup I am seeing two issues when I run the test and travel to 4mm the motor turns not two revolutions but almost one rev the second issue is that it does not complete one turn so something is off. If I set the travel to 8mm the motor turns slightly less that two revs. What I am trying to achieve is two turns of the motor for the 4mm test. I am using the motor spindle as a...
[16:09:54] <Paragon-WS> ...reference as I have a marker on it's shaft.
[16:10:13] <archivist> put the number of teeth if you wish on the spindle they are on
[16:10:15] <JT-Shop> archivist: I got a pair of Clarke's today... good to know some good quality is still made in England
[16:10:59] <archivist> JT-Shop, from Somerset...They have an interesting old engine in the factory if its still there
[16:11:17] <JT-Shop> cool
[16:11:18] <Paragon-WS> JT-Shop: Thats correct half a turn on motor = 1mm
[16:11:57] <JT-Shop> with your pullet teeth your saying 1/2 turn on the motor is 1 turn on your leadscrew...
[16:12:12] <JT-Shop> so your numbers are backwards :)
[16:12:52] <Paragon-WS> JT-Shop: Sorry I missread you... I'll change it now and try...
[16:12:59] <JT-Shop> you want the bottom number to be 400.0 Steps / mm
[16:13:12] <JT-Shop> the last line is the only important line
[16:13:37] <JT-Shop> the one that says AXIS SCALE =
[16:13:58] <Paragon-WS> Oh I was reading motor:leadscrew as 2turns motor to 1 turn leadscrew..!
[16:14:14] <JT-Shop> gotta think gears on that line
[16:15:42] <mrsunshine__> bah i need some kind of linear slides or something :/
[16:15:56] <mrsunshine__> want to make a hotwire foam cutter but do not have any linear motion stuff for that :(
[16:17:19] <JT-Shop> make a double hexapod
[16:17:41] <mrsunshine__> hah =)
[16:17:47] <mrsunshine__> to many motors needed =)
[16:17:48] * JT-Shop goes back to being an electrician
[16:17:50] <mrsunshine__> but its an idea :P
[16:22:21] <Paragon-WS> I have set motor:leadscrew 1:2 but it is still not right the bottom line say 400steps/mm but when running the test with 1mm travel I would expect half a turn but instead I am getting a strange issue where the rotation of the motor shaft is not consistent . I would expect the shaft to swing back and forth to the same place but it doesnt! ?
[16:27:13] <mrsunshine__> fucks that ground round bars are soo expensive :/
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[16:41:12] <Paragon-WS> I have attached a link to an .ini file that works (Have been using it for a while) What I am trying to achieve is for stepperconf to give me the same results. BTW does this .ini look ok? https://docs.google.com/leaf?id=0B53oJoJXbpkCNTQ1YTQ0OGEtNjg1My00ZjkyLWJmNTEtNGI0NWIzMjE0MmRl&hl=en&authkey=CODo_IUG
[16:45:03] <JT-Shop> so your scale is correct now with 400/mm
[16:45:47] <JT-Shop> describe "strange issue" I'm not familiar with that terms exact meaning
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[16:50:34] <Paragon-WS> I think there is an issue with the test. When running the test and entering 4mm I would expect the motor to turn 2 turns and then swing back two turns... continuing this until I stop the test but the motor does not turn exactly two turns and does not return to its start point. The numbers in the ini file look ok though!
[16:50:54] <IchGuckLive> is there a Company named EMC2 ,i saw it today on the motorrace here in Germay as a sponcor
[16:51:05] <IchGuckLive> on a Audi R8
[16:51:22] <Paragon-WS> Thats for SAN storage I think..
[16:52:15] <Paragon-WS> IchGuckLive: http://www.emc.com/
[16:52:23] <IchGuckLive> http://www.life4sports.de/motorsport-adac-gt-masters-2010-mit-sven-hannawald/
[16:53:09] <Paragon-WS> Yep thats there logo...
[16:53:24] <IchGuckLive> what is this company selling ?
[16:53:40] <IchGuckLive> HDD
[16:53:40] <Paragon-WS> IchGuckLive: Network Storage
[16:53:48] <IchGuckLive> usb stick or divices ?
[16:54:25] <Paragon-WS> They have been around a long time... I work with kit within Solaris Admin Role... Well thats when im working...
[16:54:41] <IchGuckLive> ok
[16:54:46] <IchGuckLive> Thanks
[16:55:49] <Paragon-WS> Bit more expensinve than that ... http://www.emc.com/products/family/clariion-family.htm
[16:57:10] <IchGuckLive> NAS is Every where at the moment
[16:57:23] <IchGuckLive> even inside my new Plasma
[16:59:17] <Paragon-WS> NAS is slightly different than SAN but they both deliver the same thing just with different technology. NAS is usually over ethernet were as SAN is generally over fibre thats just one difference thats comes to mind... ;)
[16:59:24] <IchGuckLive> is there anywhere in our wiki a page with the users Shop Url's
[17:00:06] <IchGuckLive> a movie with 1,5Mbit is enove over 100Mbit
[17:03:27] <IchGuckLive> thanks and Bye for today
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[17:04:18] <JT-Shop> Paragon-WS: is the acceleration set too high and your loosing steps?
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[17:05:53] <Gensor> Anyone a fan of lenze servo motors?
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[17:09:02] <Paragon-WS> JT-Shop: thought that but it doesn't appear to be for example maxacell in the working hand built .ini is 100 where as the stepperconf generated is only 37.5. I'm going to test the .ini as the numbers look good..
[17:10:46] <JT-Shop> what about the step and direction timing?
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[17:12:14] <Paragon-WS> JT-Shop: I think there maybe a bug in the stepperconf axis test program. I have just used the .ini it generated and it is spot on!!! ?
[17:12:31] <JT-Shop> ok, that is possible
[17:13:05] <Paragon-WS> Spent half the afternoon on it :-( oh well...
[17:13:26] <JT-Shop> I still have all afternoon left :)
[17:14:23] <Paragon-WS> :-)
[17:16:41] <Paragon-WS> I think it definatly needs looking at as that is one of the first places new comers to EMC will be using... Surprised no one else has had an issue! I am running 2.4.6.
[17:17:50] <cpresser> Paragon-WS: i made my stepper-config only using stepconf. by that time i didnt know how to work with the .ini file
[17:18:23] <cpresser> everything went fine by then. but i cant recall the emc2 version
[17:21:04] <Paragon-WS> cpresser: did you use the test function within the axis configuration to test measure shaft rotation etc.. Or did you go straight through the setup and tested with AXIS and the .ini? As stated above the stepperconf .ini output is correct but weirdness within the test function of stepperconf.
[17:21:30] <cpresser> I did use the test-function
[17:21:49] <Paragon-WS> Strange what I am seeing here then...
[17:22:22] <cpresser> i cant recall all of it, it was more than a year in the past. so i am not sure if i really checked the movement
[17:22:29] <cpresser> but most likely i did!
[17:23:24] <cpresser> i just wrote myself a note.. i will check stepconf when i am in my worksop again
[17:25:03] <Paragon-WS> :-)
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[17:29:52] <JT-Shop> I have a spare 203v and stepper if I get tired of wiring up the new shop I'll give it a try if I can find a parallel port cable... lots of ifs
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[17:54:10] <Paragon-WS> What parameter in the .ini file needs changing to adjust the default jog speed within AXIS?
[17:59:00] <JT-Shop> http://www.linuxcnc.org/docview/html/config_ini_config.html#sub:[DISPLAY]-section
[17:59:46] * fragalot wishes AXIS had a "Estimated time left:" label
[17:59:59] <JT-Shop> fragalot: make one
[18:00:09] <fragalot> iunno how?
[18:00:30] <JT-Shop> that does make it a bit harder then
[18:01:05] * JT-Shop wanders inside for a nice nap
[18:05:37] <jdhNC> just add some text that says "Estimated time left: 32 minutes"
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[18:51:53] <Paragon-WS> Thanks JT-Shop sorry for the delay in replying... I sent that question and was summoned for my supper! :-)
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[20:06:12] <JT-Shop> Paragon-WS: that's ok I was taking a nap :)
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[21:06:08] <Paragon-WS> I have just setup the EMC ubuntu server to connect to my WinXP machine via the workgroup etc (smb) I can see the network folders and the files on the desktop but how do I located the files via file/open dialogue in EMC I can't seem to locate them?
[21:06:33] <JT-Shop> hmm, I've never tried that...
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[21:07:11] <Jymmm> Paragon-WS: Ya mount the smb share first
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[21:07:40] <Paragon-WS> Yeah it's a funny one. I tried looking in the desktop folder but nothing there...
[21:08:05] <Jymmm> No, you MOUNT the share, not BROWSE for it.
[21:08:23] <JT-Shop> with the file manager you can see your network connection?
[21:08:30] <Paragon-WS> Jymmm: I have the folders to winxp network shares on the desktop and I view the files from there but cannot locate them from within EMC.
[21:08:39] <Jymmm> Yes, you can, but that's BROWSING
[21:09:05] <Paragon-WS> Oh so I have to mount them every time...
[21:09:07] <Jymmm> Paragon-WS: Yes, I know.
[21:09:22] <Jymmm> you moutn the SHARE on nix
[21:09:38] <Jymmm> Wel, I do at least =)
[21:09:53] <Jymmm> Just like I mount sftp too =)
[21:10:15] <JT-Shop> I just do Places/Network and copy the files I need...
[21:10:50] <Jymmm> Just go up to the menu bar and look for connet to remote computer
[21:11:10] <Paragon-WS> smbmount <server>/mnt .....
[21:11:31] <Jymmm> It'll let you browse =)
[21:11:47] <Jymmm> FUSE FTW!!!
[21:14:18] <Paragon-WS> Jymmm: that gives me the same issue... its still browsing
[21:14:31] <Jymmm> give it time
[21:15:28] <Paragon-WS> I can see the network directories in the browser but were do I go within EMC to open the files?
[21:15:51] <Paragon-WS> they show mounted with and eject button next them...
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[21:30:48] <Paragon-WS> Ok reverted back to smbmount. Thought I could just view the network drives via EMC
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[22:42:52] <marcin_ose> I have a Xylotex controller (4 stepper motor package)
[22:43:25] <marcin_ose> and am trying manual testing of the motors. Power is on. Configured for Xylotex. On Ubuntu 8.04 laptop.
[22:43:58] <marcin_ose> No motion on steppers in manual mode. The motors are powered (they hold) but no motion. Any solutions?
[22:44:59] <JT-Shop> do you need to enable the drive?
[22:45:32] <marcin_ose> How do I enable the drive? The Xylotex box is turned on, the power light is on.
[22:45:41] <andypugh> You are in stepconf / test axis?
[22:46:14] <andypugh> Which xylotex drives?
[22:47:43] <JT-Shop> marcin_ose: also note that a laptop is not a reliable pc for realtime CNC
[22:47:47] <marcin_ose> I'm in main GUI.
[22:48:22] * JT-Shop wishes he would stop bleeding :/
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[22:48:49] <marcin_ose> We had it working before, over a year ago. It's an IBM Thinkpad, latency test is fine.
[22:49:02] <JT-Shop> lucky you :)
[22:49:36] <marcin_ose> http://openfarmtech.org/wiki/Torch_Table_Build_Prototype_1_Completion
[22:49:39] <JT-Shop> so this config worked before and now does not?
[22:50:36] <marcin_ose> Another guy ran it, he's not here any more. So I'm starting from EMC
[22:51:11] <marcin_ose> Crap, looks like our site is down right now.
[22:51:19] <atom1> JT-Shop stop poking holes in yourself and you will stop bleeding
[22:51:28] <JT-Shop> does the Xylotex need an enable bit to be on or a charge pump
[22:51:39] <JT-Shop> atom1: yea, I figured that out :)
[22:51:51] <atom1> you only hold so much
[22:52:04] <JT-Shop> but I make more
[22:52:10] <marcin_ose> JT-Shop - tell me more about an 'enable bit'
[22:52:22] <atom1> hopefully at a quicker rate than you drain it
[22:53:05] <marcin_ose> We got this 2 years ago: http://www.xylotex.com/Econo4Ax425.htm
[22:53:07] <JT-Shop> some drives need to be enabled by applying logic power to an input
[22:53:26] <marcin_ose> @andypugh, does that answer your question?
[22:53:29] <JT-Shop> damm it is such a tiny hole and it still leaks
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[22:53:56] <atom1> are those xylotex drives decent?
[22:54:07] <atom1> for bottom end dwellers
[22:55:02] <JT-Shop> marcin_ose: do you have the step and direction pins connected properly?
[22:55:31] <marcin_ose> Xylotex? I think we blew out one or two axes already by disconnecting motor when power was on.
[22:56:04] <alex_joni> that usually happens on most drives
[22:56:04] <marcin_ose> @JT-Shop - Should be, I just selected the auto configuration for Xylotex in the configuration wizard.
[22:56:29] <JT-Shop> and did the pinouts match what you need?
[22:56:42] <JT-Shop> its good to double check
[22:56:46] <andypugh> $460 is "economy"?
[22:57:15] <JT-Shop> but it comes with some $19 steppers...
[22:57:35] <JT-Shop> and molex connectors
[22:57:41] <andypugh> So, you are in the Axis Gui?
[22:57:59] <Jymmm> marcin_ose: Disconnecting stepper while powered will blow ALL drivers, even geckos
[22:59:04] <atom1> emf
[22:59:06] <atom1> kills
[22:59:10] <atom1> electronics
[23:00:13] <JT-Shop> andypugh: pretty cool spindle magic you did with rotary and spindle :)
[23:00:34] <andypugh> I worked it out a while ago for that chap with the stone turning lathe.
[23:01:05] <JT-Shop> pretty clever stuff
[23:01:14] <andypugh> It really needs a comp, as done that way it loses A-home in S-mode.
[23:01:39] <JT-Shop> ah yea, I didn't think of that
[23:02:53] <andypugh> Not a problem with a 2-stage operation.
[23:03:01] <andypugh> (S then A)
[23:04:20] <JT-Shop> well I finally stopped leaking so back to wiring up the shop
[23:05:07] <marcin_ose> @Jymmm- More specifically, I plugged a motor in today by mistake with the box powered on. Do you think the controller is totally dead?
[23:05:57] <Jymmm> Xylotex? Absolutely! (Ok, 99% sure). They have ZERO protection, and overheating issues.
[23:05:57] <marcin_ose> @Jymmm - Is there a way to tell that the controller is dead by inspecting it?
[23:06:17] <Jymmm> Switch to a different axis and see if it works
[23:07:32] <marcin_ose> Ok, who can suggest an open source, 2A solution for a torch table like this: http://www.make-digital.com/make/vol21/?pg=68#pg68
[23:08:01] <marcin_ose> That's our table.
[23:08:42] <marcin_ose> Jymmm- I switched to the 4 different axis, no go.
[23:09:05] <Jymmm> marcin_ose: is the idiot light on?
[23:09:13] <Jymmm> blinking? green? red?
[23:09:40] <marcin_ose> Jymmm - Idiot light? You mean power light on the Xylotex, or a fat sucker stamp on my forehead?
[23:09:48] <alex_joni> Jymmm: well, not ALL.. but surely 99%
[23:10:07] <alex_joni> there are some high end servo drives which can survive a motor disconnect
[23:10:18] <Jymmm> marcin_ose: LOL, on the PCB. We'll chalk the one on your'e forehead to You'll NEVER do that agian
[23:10:18] <alex_joni> together with various shorting patterns
[23:10:22] <marcin_ose> Jymmm - what would you suggest for a stepper controller? Any open source option to handle http://www.make-digital.com/make/vol21/?pg=68#pg68
[23:10:36] <Jymmm> marcin_ose: G540
[23:11:14] <Jymmm> http://www.geckodrive.com/g540-p-39.html
[23:11:29] <JT-Shop> ah Jymmm beat me to it
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[23:12:11] <Jymmm> marcin_ose: And, if you fuck it up (even your fault) and you're honest about it to MAriss, he'll replace it one time
[23:12:21] <Jymmm> only
[23:13:16] <marcin_ose> Mariss? Is that the Xylotex guy?
[23:13:31] <andypugh> Mariss is the Gecko guy (very sticky feet)
[23:13:32] <Jymmm> No, the Owner of Gecko
[23:14:03] <Jymmm> very nice/smart guy that will talk your ear off =)
[23:14:31] <marcin_ose> Ok. Does Gecko have any 2 axis controllers at lower cost? We are doing xy only - but with 2 motors on the x axis.
[23:15:13] <andypugh> You need three drivers then.
[23:15:19] <Jymmm> marcin_ose: There are individual ones, but then you have to get a breakout board, and all the rest. Best deal all around
[23:15:58] <andypugh> You can use the extra driver for torch-height control.
[23:16:01] <Jymmm> marcin_ose: opto isolated, nice lil package, VFD drive, watchdog, etc
[23:16:44] <marcin_ose> Ok, so Gecko is well-tested with EMC2?
[23:16:51] <Jymmm> marcin_ose: I wish it was available when I bought xylotex. Oh, and it has mid band compensation too
[23:16:57] <andypugh> EMC2 can driva anyhting.
[23:17:16] <andypugh> (But I can't drive my keyboard)
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[23:17:41] <Jymmm> geckos are solid. turbocnc, emc, mach, and other industrial controllers, OEM's, refurbs, etc
[23:18:07] <andypugh> marcin_ose Do you have an oscilloscope?
[23:18:34] <marcin_ose> No oscilloscope.
[23:18:38] <andypugh> Actually... You ought to be able to see your step signals in the Halscope, if they are there.
[23:19:06] <Jymmm> andypugh: Even if he had a scope, he'd have to replace the allegro chip.
[23:20:41] <andypugh> We are only assuming that the drive is dead. It isn't unknown for there to be other reasons for no-show in the stepping department.
[23:21:29] <Jymmm> andypugh: Maybe the pwr supply circuit on the board, is the only other thing I can think of. Could checck for 5VDC
[23:21:36] <marcin_ose> With Gecko 4 axis - it's $300 for the board, right? So to complete the system for 2A do I need: (1) parallel cable, (2) power supply, (3) cooling fan, (4) stepper motors (I can use the ones from Xylotex), plus DB9 connectors. Is that it?
[23:22:03] <Jymmm> marcin_ose: It comes wth db9 connectors
[23:22:12] <andypugh> You probably already have a PSU.
[23:22:19] <andypugh> You have the Steppers.
[23:23:15] <andypugh> I would want to be a little more sure that step signals are getting to the existing drive and were being ignored before I went spending money, though.
[23:23:48] <marcin_ose> Yes, Power Supply (24V) from Xylotex.
[23:24:07] <marcin_ose> Ok, so to kill off the step signals getting through?
[23:24:54] <Jymmm> marcin_ose: 24V will work, but you could use 48 or 50v PS if you come across one cheap too
[23:25:06] <Jymmm> marcin_ose: in the future that is
[23:25:10] <marcin_ose> Does anyone live close to the Kansas City area to help me?
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[23:25:28] <Jymmm> That's next to San Francsico, right?
[23:25:45] <JT-Shop> LOL no Jymmm it's in Missouri
[23:25:56] <Jymmm> and Which KC?
[23:25:58] <marcin_ose> Almost, it's in the heartland.
[23:26:02] <Jymmm> Misery
[23:26:09] <marcin_ose> Kansas City, Missouri
[23:26:14] <Jymmm> KC Misery
[23:26:22] <Jymmm> Heartland my ass!
[23:26:29] <Jymmm> DeathLand
[23:26:31] <JT-Shop> Jymmm: Missouri is the best place to live
[23:26:32] <marcin_ose> Right.
[23:26:34] <Jymmm> scarry ass shit!
[23:26:47] <Jymmm> Tornado alley iirc
[23:27:06] <Jymmm> JT-Shop: You live in a swap, what would you know
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[23:27:14] <marcin_ose> Ok, to assess if signal is getting through - does it tell me anything that the steppers are holding when the power is on?
[23:27:22] <JT-Shop> so you know your getting power to the steppers if they hold
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[23:27:53] <Jymmm> marcin_ose: Connect eh 24V PS to the xylotex, you should get 12V and 5V somewhere on there too
[23:28:05] <Jymmm> check the pinouts
[23:28:09] <JT-Shop> the other side might have let the magic smoke out
[23:28:24] <Jymmm> 12V for the fan connector, 5V for the limit switches iirc
[23:28:24] <JT-Shop> does it smell burnt?
[23:28:44] <Jymmm> JT-Shop: mine didn't when it blew
[23:28:58] <JT-Shop> it just quit?
[23:29:07] <andypugh> If they are holding, I would suspect that the drives might be good. I have never known the power side to be OK and the stepping to blow up.
[23:29:17] <Jymmm> overheated I believe - they have serious heat issues
[23:29:17] <JT-Shop> do they have optos on them?
[23:29:21] <Jymmm> fuck no
[23:29:31] <JT-Shop> POS?
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[23:29:42] <Jymmm> they dont have mid-band conpensatio either, lots of stalling
[23:29:49] <Jymmm> JT-Shop: Super sensative
[23:30:13] <JT-Shop> something I might cobble up after drinking I suspect
[23:30:31] <Jymmm> The rated 35V INCLUDES BEMF too
[23:30:32] <marcin_ose> I'll take a quick vid of exactly what I'm doing with the Xylotex.
[23:30:48] <andypugh> KC is close to the EMC2 Fest. When is that?
[23:31:18] <JT-Shop> pretty good haul to MI from west MO
[23:31:37] <andypugh> marcin_ose One quick thing to try, invert the step signals in the Stepconf setup (check box)
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[23:32:14] <JT-Shop> good call andypugh could be sensitive to that
[23:32:36] <andypugh> JT-Shop I meant the Wichita one.
[23:33:11] <JT-Shop> ah yea close to there
[23:33:37] <JT-Shop> the step time and step space are quite different when I pick Xylotex
[23:33:56] <JT-Shop> direction hold and setup seem to be the same
[23:34:53] <andypugh> If that box has optos in it (even if the drives don't have) then it could be low-to-step
[23:40:07] <marcin_ose> Ok, i'll invert the step signals. My video should be on Youtube in 3 minutes.
[23:40:29] <marcin_ose> Wichita EMC Fest?
[23:40:32] <Jymmm> way too long to wait. 17 seconds or forget it!
[23:40:34] <marcin_ose> What's that
[23:42:30] <JT-Shop> http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?EMC_Fest_2009
[23:45:51] <marcin_ose> http://www.youtube.com/watch?v=RS12tjS4TKc
[23:47:08] <JT-Shop> marcin_ose: you can check the user map to see who might be near you...
[23:47:18] <marcin_ose> Where is the user map?
[23:47:59] <JT-Shop> http://linuxcnc.org/
[23:48:23] <andypugh> You can't see it (the link is bottom left) unless you log in though.
[23:49:10] <andypugh> Things that could be wrong include: You have a Laplink cable and the wires aren't all connected.
[23:49:39] <andypugh> Can you measure voltages at the parallel port? Perhaps the base address is wrong?
[23:50:17] <andypugh> I would definitely want to see a direction-pin flashing an LED.
[23:52:15] <SWPadnos> 2.3.0 is a pretty old EMC
[23:52:30] <SWPadnos> if it doesn't move in the stepconf tester, it's not going to move in EMC either
[23:52:58] <Jymmm> SWPadnos: Still alive huh?
[23:53:01] <SWPadnos> I thought I saw it move in the back and forth test though
[23:53:05] <SWPadnos> Jymmm, yes
[23:53:13] <SWPadnos> more or less
[23:53:14] <andypugh> Yes, but there are many possible causes, only some of which involve Xylotex and their easy-escape magic-smoke.
[23:53:24] <Jymmm> SWPadnos: Well, congrats!
[23:53:29] <marcin_ose> This worked over 1 year ago with the exact hookup - nothing has changed since then.
[23:53:32] <SWPadnos> if all the motors locked, then they aren
[23:53:42] <SWPadnos> they aren't broken (or not as likely anyway)
[23:53:57] <Jymmm> marcin_ose: did you verify the current setting pot?\s?
[23:54:02] <SWPadnos> 10 is a relatively high velocity, by the way. that's 10 inches/second or 600 IPM
[23:54:34] <marcin_ose> Ah, yes. I had it with 1 ips before.
[23:54:47] <marcin_ose> Current setting pots in the controller box?
[23:54:58] <Jymmm> on the xylotex board
[23:55:10] <SWPadnos> are the X steps split to two drivers, or are you supposed to output two sets of step/dir for the two X motors?
[23:55:22] <marcin_ose> Ok, so what do I do with the current control setting? This has not been changed since it worked over a year ago.
[23:55:48] <Jymmm> marcin_ose: I didn't ask if it was changed, I asked if you VERIFIED it/them =)
[23:56:10] <marcin_ose> step/dir for each motor.
[23:56:24] <Jymmm> the current limiting pots on the pcb
[23:56:50] <marcin_ose> Jymmm - what should the pots be set to for correct function?
[23:57:01] <SWPadnos> marcin_ose, I didn't see you select that in stepconf (and I'm not sure you can in 2.3.0 stepconf)
[23:57:23] <SWPadnos> I wouldn't expect any X motion if you try to move only one motir
[23:57:24] <SWPadnos> motor
[23:57:25] <Jymmm> marcin_ose: There's a specific voltage for the amperage of your motors.
[23:57:41] <Jymmm> marcin_ose: you'll need to look up the value
[23:58:14] <SWPadnos> there should probably be some motion even with incorrect settings
[23:58:24] <SWPadnos> unless the current is set to 0 or so
[23:59:08] <Jymmm> Which is the default shipping voltage... 0
[23:59:40] <SWPadnos> yeah. it doesn't hurt to look
[23:59:57] <marcin_ose> This is getting hairy. If I have $300 for the Gecko drive, would it not be a good idea to move right to that? We already checked that the power is on:)