#linuxcnc | Logs for 2013-09-30

[00:00:40] <Tom_itx> did you mean Allegro instead of Avago?
[00:00:50] <Tom_itx> search on the PN brought that up
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[00:02:33] <archivist> jp_mill, is it just a case of adjusting the belt tightness
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[10:59:13] <archivist> ew, probe battery price, I need 2 http://www.batteryspecialties.com/electrochemcsc931_2c.aspx
[10:59:31] <archivist> methinks another way needed
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[11:22:55] <jthornton> yikes what is that for?
[11:24:36] <AdnanCloud> anyone here use amazon ec2?
[11:25:02] <archivist> I have an old cat50 probe that I am remounting on morse 3 here is one on fleabay 141052857446
[11:25:20] <kengu> nice battery
[11:25:23] <AdnanCloud> is this linux like the linux OS?
[11:25:27] <AdnanCloud> why you guys talking about batterys
[11:25:42] <archivist> AdnanCloud, not in their right mind, you do realise this place is about cnc
[11:25:51] <AdnanCloud> whats cnc
[11:26:00] <archivist> machine tool control
[11:26:03] <AdnanCloud> ohhhh right
[11:26:09] <AdnanCloud> this is totally not what i wanted
[11:26:18] <archivist> I guessed :)
[11:26:23] <AdnanCloud> kool cheerio
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[11:26:34] <kengu> that was interesting
[11:26:52] <archivist> another EMC luser paying too much
[11:27:30] <jthornton> is the probe wireless?
[11:27:45] <archivist> it flashes the LEDs
[11:27:54] <archivist> I hope :)
[11:31:15] <Jymmm> archivist: This is VERY close phyiscally. you might need to find some plastic tubes for the diameter, and for the height, they are using thin magnets (DX.COM) http://www.batteryjunction.com/ultrafire-18350.html
[11:32:02] <Jymmm> archivist: Your battery: 25.6 x 31.7m
[11:32:43] <Jymmm> archivist: That battery: 18 x 35mm (nominal)
[11:35:00] <archivist> too long
[11:35:09] <Jymmm> archivist: spring contacts?
[11:35:48] <Jymmm> and no idea if that's protected (PCB) or not.
[11:36:15] <archivist> they are in a tube from the side
[11:36:51] <archivist> so about 6mm longer total
[11:37:35] <Jymmm> archivist: http://www.amazon.com/Saft-LS-14250-Lithium-computers-Rechargeable/dp/B002GJSQPO
[11:37:44] <archivist> not dont exact measurements to see what space is left yet
[11:37:55] <archivist> done
[11:38:40] <Jymmm> I can't even find "1/2 C" size, only "1/2AA"
[11:38:53] <kengu> those lithium (18650 etc) cells are pretty easy as they tell the size in their type
[11:39:15] <archivist> they do seem very rare hence the silly price
[11:40:38] <Jymmm> archivist: Screw it, get some 16340's and make some adapters
[11:40:51] <Jymmm> CR123 etc
[11:40:54] <Jymmm> same diff
[11:41:28] <Jymmm> That battery of yours is just bullshit
[11:43:05] <Jymmm> damn 123's wont fit eihter
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[11:45:28] <Jymmm> archivist: CR2 are 27x15.6mm H x Diam
[11:45:52] <Jymmm> archivist: $9 for two including a charger http://www.ebay.com/itm/2-x-Rechargeable-CR2-CR-2-15270-Battery-quick-Charger-/320513664019
[11:46:41] <Jymmm> archivist: AKA: 15270
[11:46:54] <Jymmm> archivist: good luck!
[11:47:32] <Jymmm> I hate proprietary crap like that
[11:48:02] <Jymmm> archivist: Also: http://en.wikipedia.org/wiki/List_of_battery_sizes
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[11:58:13] <DJ9DJ> moin
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[12:25:34] <somenewguy> archivist, I get all my weird batteries from here : http://www.batteryspace.com/
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[12:26:20] <jdh> I get my normal batteries from there.
[12:28:36] <somenewguy> there are normal batteries?
[12:28:56] <Jymmm> somenewguy:Yeah, 96 Volt ones
[12:29:05] <somenewguy> oh of course I forgot
[12:29:21] <somenewguy> I need to go pick up a few of those thismorning actaully, my ipod is dead again
[12:30:23] <somenewguy> I actually have a box of ~200 recovered lipos I really need to sort and give a partialcharge to before it gets cold out...
[12:30:31] <somenewguy> not looking forward to that, I See several fires in my future
[12:31:41] <Jymmm> somenewguy: you think I'm kidding... http://www.batterycentralmall.com/Batteries/Eveready/EV_493.html
[12:32:47] <somenewguy> someday that will come in handy
[12:32:51] <Jymmm> somenewguy: 225V Battery http://www.batterycentralmall.com/Batteries/Eveready/EV_489.html
[12:33:14] <Jymmm> BUY NOW!
[12:35:15] <somenewguy> would simplify nixie tube power sources
[12:36:04] <somenewguy> a lm05 will happily regulate that to 5v for the ctrl electroincs, right....
[12:36:30] <somenewguy> *7805
[12:40:36] <Jymmm> somenewguy: Max input = 24V
[12:40:52] <jdh> 36v
[12:44:57] <somenewguy> thats the joke
[12:45:14] <somenewguy> I'll be here all night
[12:46:19] <jdh> I've been getting dive light batteries from batteryspace for years.
[12:49:43] <Jymmm> bah, I need more screen real estate
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[12:59:44] <JesusAlos> hi people
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[13:00:20] <JesusAlos> I think have a problem with my machine for electronic noise issue
[13:00:46] <JesusAlos> Have linuxcnc any kind of input filter?
[13:01:16] <JesusAlos> software filter
[13:01:18] <jdh> debounce and lowpass
[13:01:36] <jdh> http://linuxcnc.org/docs/html/man/man9/debounce.9.html
[13:02:36] <JesusAlos> there are a example?
[13:02:46] <JesusAlos> example to use
[13:03:11] <Einar> As a rule you don't filter out noise in a digital system. Then you often also filter out your data. Use proper grounding and screening rules.
[13:03:48] <Einar> Use diodes or snubbers on relays, contactors and other noise sources.
[13:04:31] <jdh> what he said.
[13:04:31] <Einar> Follow installation rules for any VFD's. Do not save on filters where they are prescribed by the manufacturer.
[13:05:31] <Einar> Snubbers are used on AC components. Diodes are used on DC components (except reversible voltage equipment, where snubbers are used.
[13:05:53] <JesusAlos> I filter my electronic input with capacitor and resistor circuit
[13:05:57] <Einar> Snubber = Resistor and capacitor in series.
[13:06:05] <JesusAlos> but there still have noise
[13:06:38] <JesusAlos> so, I think in software filter
[13:06:48] <JesusAlos> or change the electronic board
[13:06:49] <Einar> Proper grounding of all components? Do not rely on your cabinet to provide good ground.
[13:07:32] <Einar> Noise are fought on 2 fronts! 1: Where it originates. 2: Where it can be picked up.
[13:08:07] <JesusAlos> the origin is from stepper drivers
[13:08:12] <Einar> Do you have a picture of your cabinet?
[13:08:24] <JesusAlos> Stepper drivers AC
[13:08:41] <JesusAlos> you refer my electrical schema?
[13:09:01] <Einar> No. A picture taken with a camera.
[13:10:10] <JesusAlos> not here
[13:10:17] <JesusAlos> late pass to you
[13:10:24] <JesusAlos> http://www.ebay.com/itm/5-Axis-CNC-Stepper-Motor-Driver-Controller-Breakout-LPT-Board-MACH3-Interface-/160993386166
[13:10:28] <JesusAlos> this is the card
[13:11:07] <JesusAlos> http://www.rta.it/es/prodotti.php?id_prodotto=42
[13:11:14] <JesusAlos> this the drivers
[13:13:50] <Einar> And you did notice the grounding tab on the drive, and you connected it to ground?
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[13:14:24] <JesusAlos> I did connected all to GND
[13:14:42] <JesusAlos> and have a capacitor filter in input card
[13:14:50] <Einar> There is also a connection for Shield. Did you connect the shield of the motor cabling to this?
[13:14:51] <JesusAlos> capacitor to GND
[13:15:43] <JesusAlos> I connect the shield in side motor only
[13:16:14] <JesusAlos> but try connect in both fist and cabinet only then
[13:16:34] <JesusAlos> and the resut is different, but still noise
[13:16:46] <Einar> I have not read the manual for the stepper drive, but I would connect shield for motor cable to that point on the drive.
[13:17:43] <Einar> Also: How do you know you have noise entering your system, and at what point? ( Symproms? )
[13:18:00] <Einar> 'Symptoms'
[13:19:22] <JesusAlos> I connect my oscope in input. whe the drivers are with out power supply , no have noise
[13:19:40] <JesusAlos> when start drivers power supply. A lott noise
[13:20:00] <JesusAlos> you understand me?
[13:20:24] <Einar> What frequency? Is it stable or varying with your motor speed?
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[13:21:07] <JesusAlos> nor sure. but is not easy measure the noise
[13:21:43] <Einar> I often use the FFT function on the scope to get an idea.
[13:22:37] <JesusAlos> I thought in change my LPT card, because work with 5V
[13:22:44] <JesusAlos> and mount a 24V card
[13:23:19] <JesusAlos> the noise value voltage is abut 4-6 volts
[13:23:45] <JesusAlos> but the most easy now is try with a software filter
[13:24:48] <Einar> What poer supply do you yse for the drivers? Do not use a regulated supply. And certainly not a switch power!
[13:25:18] <JesusAlos> use 230V direct
[13:25:22] <Einar> Use just transformer + diode bridge + capacitors.
[13:25:34] <JesusAlos> no
[13:25:44] <Einar> OK. So it's internal to the drive then. That's OK.
[13:25:47] <JesusAlos> this is stepper AC drivers
[13:27:07] <JesusAlos> I would like to try with DEBOUNCE function. Do you know a sample to use?
[13:28:11] <Einar> If you have 4-6V noise, you need to take care of the noise. You may be able to filter it in software. But it may still kill youre electronic parts.
[13:28:56] <Einar> Is there noise just on the flanks of the signal? ( Switch chatter? )
[13:29:43] <Einar> When you say noise, do you mean overlaid noise or do you just mean false transistitions?
[13:29:46] <JesusAlos> no
[13:29:52] <JesusAlos> in both states
[13:30:07] <Einar> Can you post a scope snapshot?
[13:30:38] <JesusAlos> false transition
[13:31:11] <JesusAlos> don't have information in this PC
[13:31:12] <Einar> OK. And the transitition comes from where? An end switch?
[13:31:53] <JesusAlos> yes
[13:32:07] <JesusAlos> from Estop and Joint 2 (Z)
[13:32:12] <JesusAlos> principally
[13:33:08] <JesusAlos> wait go for pictures
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[13:33:16] <Einar> OK. Then debounce is OK. If you use mechanical switches there will be bounce, but I would not call that noise. And for an end switch an RC filter is also OK. As it is not a fast signal.
[13:34:15] <Einar> But if you filter your step signal or encoder signal you will loose data at higher speeds.
[13:34:22] <jdh> (he's gone)
[13:34:56] <jdh> nobody would debounce a st or encoder signal
[13:35:14] <Einar> So will I. Have to make a component order so I get them tomorrow. Oh yes! Some will! I promise you. ;-)
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[13:36:33] <jdh> run halscope on your flakey inputs and see what it looks like there.
[13:37:43] <JesusAlos> it dark on-off
[13:38:03] <JesusAlos> sorry. the hal inputs
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[13:58:08] <JesusAlos> http://imagebin.org/272360
[13:58:13] <JesusAlos> is my cabinet
[13:59:28] <JesusAlos> is possible that affect the real time delay?
[14:01:50] <JesusAlos> http://imagebin.org/272363
[14:01:53] <JesusAlos> and card
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[14:26:06] <Einar> JesusAlos: Are there screens not grounded? I see some pigtails connected nowhere From the BOB to the drives.
[14:27:52] <Einar> And it looks like you don't run both leads from your limit switches back to the BOB. I guess one lead is going to all switches. That can be a noise pickup.
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[14:29:03] <Einar> I would use optocouplers between switches and parport. I can't see any on your BOB.
[14:30:29] <Einar> But anyway, if what you have is false transititions when switces open or closes, then RC filtering can be used. It will delay the signal some, but those are really low bandwidth signals anyway.
[14:33:31] <Einar> Your scope should be able to show if you got noise or contact bounce.
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[14:37:23] <mrsun> how hard is it to interface to an usb interface using linuxcnc ? .. tho i do nto know what type of interface the thing has but :P
[14:37:32] <mrsun> lets say its text based
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[14:50:45] <skunkworks_> mrsun, maybe this? http://www.linuxcnc.org/docs/2.5/html/man/man1/hal_input.1.html
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[15:07:23] <gotham> I'm thinking of buying a lathe to retrofit to linuxcnc and I need a reality check.
[15:08:14] <gotham> Its a south bend magnaturn and the spindle and tool motion are controlled by hydraulics. Position is by glass scale.
[15:08:18] <mrsun> http://hidcomp.sourceforge.net/ found that also
[15:08:44] <cradek> would this be your first retrofit?
[15:08:55] <JT-Shop> gotham: won't be the easiest to do but has been done
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[15:09:26] <gotham> No I have a Tree vertical mill that I retrofit to linuxcnc using mesa parts and amc drives, existing motors
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[15:10:08] <cradek> you already did the Tree and you have it working?
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[15:10:47] <gotham> yes tree is working. I keep adding to it (probe, spindle speed ect) so I dont call it done but its making parts
[15:10:53] <cradek> aha
[15:11:24] <cradek> can't you find a lathe with dc servo motors and encoders? hydraulics is surely a pain.
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[15:11:59] <gotham> i've been looking for a lathe for awhile now. they seem to hold their value pretty well or be huge.
[15:12:36] <gotham> this hydraulic one is the right size and cheap and looks like its in great shape, seller says came out of vo tech for what that is worth
[15:13:14] <gotham> i've been reading about this lathe and people tend to complain about them but a lot of that seems like controller issues
[15:14:10] <skunkworks_> are they conroled by hydraulic cylinmders or hydraulic motors?
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[15:14:52] <gotham> i think some kind of cylinder/ram. if it was hyd motors and ballscrews I would dump the hydraulics in a second
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[15:15:40] <skunkworks_> sure
[15:16:00] <gotham> seems like uncharted territory and the mill was pretty easy just to follow in others footsteps
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[15:17:55] <skunkworks_> I know it has been talked about (conrolling a ram from linuxcnc) but I don't know if anyone has tried it
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[15:18:24] <skunkworks_> if you have the proportioning vavles and amplifiers - it might be worth a try...
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[15:18:46] <gotham> the machine is complete but hasn't been used in awhile
[15:19:00] <gotham> anyone have links to hydraulic control with scales using linuxcnc?
[15:19:22] <gotham> brb
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[15:28:12] <Einar> Did any of you integrate a rotating turret toolchanger (lathe) in LinuxCNC? Stepper motor, going forward to change, then backwards to lock against pawl,
[15:30:16] <gotham> Einar - I think that is an unconventional way to build a turret.
[15:30:41] <Einar> It's what is on the Boxford 250B.
[15:31:32] <skunkworks_> i am sure I have seen that implimented.. but cannot find it at the moment
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[15:31:44] <Einar> I can control it using a microcontroller or PLC, but want to know if it could be done easily in LinuxCNC.
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[15:32:53] <gotham> shouldnt be a problem
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[15:34:37] <Einar> How. Programming it in G-Code, ladder, C-code or .....
[15:36:48] <kwallace1> I wrote a comp component for my turret. http://www.wallacecompany.com/cnc_lathe/HNC/00025-1a.jpg
[15:37:43] <kwallace1> It uses a bit of basic C code.
[15:38:17] <cradek> I did a turret similar to kwallace's very easily in classicladder
[15:38:48] <cradek> mine doesn't have to turn backward, though, and it's run by an airmotor, not a stepper
[15:39:32] <Einar> How will that connect into the toolchange G-code? Does it interface through hal pins?
[15:39:42] <cradek> yes exactly
[15:40:09] <cradek> a hal pin says what tool or pocket to load, another one says GO, then you later say OK I'M DONE on a third pin
[15:41:26] <Einar> OK. So prety much as I would do it using an autonomous controller PLC or uCtrlr then. Except these pins will be tied not to a physical pin, but a logical pin?
[15:42:03] <cradek> I can't imagine a microcontroller being easier to use than classicladder
[15:42:29] <Einar> For me that could be the case. ;-)
[15:42:40] <Einar> Any examples in the source code?
[15:43:58] <kwallace1> Here is my turret.comp: http://www.wallacecompany.com/cnc_lathe/HNC/emc2/turret.comp
[15:45:15] <kwallace1> Here are the HAL connections, 'find turret': http://www.wallacecompany.com/cnc_lathe/HNC/emc2/configs/hnc_io-3a.hal
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[15:48:13] <archivist> Einar, I think there was somebody who did it for the similar Denford Orac, perhaps ask on the user mailing list too
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[15:49:42] <Einar> Thanks! That looks like something I can use. I don't know what a ".comp" is, but now I know where to start digging. :-)
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[16:02:02] <cpresser> Einar: a 'comp' is basically a c-program. with custom header-syntax. its an easy way to build a realtime-kernel-module(=component) for linuxcnc
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[16:03:59] <cpresser> linuxcnc comes with a script to compile a .comp file. that way you wont have to deal with the compilation of a kernel-module
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[16:12:13] <JesusAlos> hi
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[16:31:07] <JT-Shop> hi
[16:31:36] <kengu> helo
[16:33:11] <JesusAlos> Here is everything all right?
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[17:21:17] <pcw_home> yes all 3x20 versions work on the 7I68
[17:22:39] Gigs-- is now known as Gigs-
[17:22:41] <CaptHindsight> thanks
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[17:31:52] <IchGuckLive> JesusAlos: how is the weather in spain its cold but sunny here in germany
[17:32:14] -!- s1dev has quit [Ping timeout: 240 seconds]
[17:32:36] <JesusAlos> here is betwin rain-and sun
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[17:33:06] <JesusAlos> and "bochorno"
[17:34:29] <IchGuckLive> for the holiday people i guess
[17:34:42] <JesusAlos> I don't say in English, but is when are hot an RH high
[17:35:11] <JesusAlos> yes
[17:35:24] <IchGuckLive> season end is near
[17:35:44] <IchGuckLive> the old European ladies are on thee way to spain this month
[17:35:50] <JesusAlos> The Spanish people must work a loot for our own good
[17:36:28] <JesusAlos> Recomend Mallorca and Alicante
[17:36:38] <JesusAlos> there are a lott Germany ladys
[17:36:47] <JesusAlos> :)
[17:37:17] <IchGuckLive> Europeans always think in germany chickens are flying in the air bringing the money <- its not thrue i lookoed outside
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[17:38:21] <IchGuckLive> JesusAlos: global worming bring them home i think
[17:38:51] <IchGuckLive> belive in munich at february shuffeling last snow in t-shirt
[17:39:20] <IchGuckLive> first step last x-mas bike tour at 17deg celsius
[17:39:38] <Einar> jthornton: At that stage I was not able to make any use of what I found. It takes some time to connect the dots in LinuxCNC. But I think I got a few steps forward.
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[17:41:32] <JesusAlos> may Spanish girls decide to go to German in bikini
[17:41:49] <IchGuckLive> lots of are here
[17:41:55] <IchGuckLive> good jobs here
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[17:58:31] <IchGuckLive> JesusAlos: http://www.muenchen.tv/munchen-tv-livestream/#.Ukm7s9dhNe8 she is spain
[17:58:54] <IchGuckLive> live from munich
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[18:01:49] <JesusAlos> superb
[18:01:51] <jp_mill> whats the best way to control a vfd with linuxcnc? two wire control or three wire?
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[18:02:25] <IchGuckLive> jp_mill: depends on you need Rev
[18:02:26] <JesusAlos> What do you think about Pep Guardiola?
[18:02:35] <jp_mill> yes
[18:02:39] <IchGuckLive> 3
[18:03:04] <IchGuckLive> JesusAlos: he owns lot more then i do B)
[18:04:20] <JesusAlos> :)
[18:04:26] <JesusAlos> and his German?
[18:04:35] <JesusAlos> people say that speak very well
[18:04:43] <IchGuckLive> ok so far better then the trappatoni
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[18:10:22] <JesusAlos> I'm going to change some diaper...
[18:10:24] <JesusAlos> gn
[18:10:39] <IchGuckLive> By im off 2
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[18:21:50] <Jymmm> JT-Shop: You alive?
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[18:22:04] <JT-Shop> a bit
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[18:22:34] <Jymmm> JT-Shop: Have you produced seaing equipment on a production line?
[18:22:43] <Jymmm> sealing
[18:23:01] <JT-Shop> like bag sealers?
[18:23:19] <Jymmm> kinda, but in this cae tube (like toothpaste tube) sealing
[18:23:22] <Jymmm> case
[18:23:24] <Jymmm> *
[18:23:38] <JT-Shop> nope, never did ultrsonic welding
[18:23:59] <Jymmm> JT-Shop: Um, I thought it was clamped, and heated?
[18:24:01] <JT-Shop> or ultrasonic for that matter
[18:24:09] <jdh> RF welding
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[18:24:54] <Jymmm> Are we sure it's not thermal?
[18:26:00] <JT-Shop> I've done thermal welding of gas tanks
[18:26:40] <Jymmm> I thought it was like typical $80 bag sealers
[18:26:48] <Jymmm> though beefier
[18:27:23] <jdh> http://en.wikipedia.org/wiki/Plastic_welding#High_frequency_welding
[18:28:40] <jp_mill> anyone know of decent power drawbar plans for a bp?
[18:28:43] <Jymmm> I need to seal PP/PE
[18:28:50] <JT-Shop> thermal would be too slow
[18:29:07] <jdh> jp: lots of cheap ones involving chinese air tools
[18:29:30] <jp_mill> yeah thats what i was thinking
[18:29:43] <Jymmm> JT-Shop: Where would I even look for such a beast, even if a small manual one man shop version
[18:30:03] <jdh> jp: lots on ebay for $100ish
[18:30:22] <JT-Shop> google I guess
[18:30:48] <jp_mill> http://www.sonitek.com/ultrasonics/ultrasonic-welders.html?gclid=CL2yv7Tg87kCFY1DMgodmm0A3g
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[18:36:40] <Jymmm> Ok, something kinda like this http://www.youtube.com/watch?v=dmvLzZ93Fzw
[18:36:57] * JT-Shop can't click on youtube till tomorrow
[18:37:32] <Jymmm> JT-Shop: np
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[18:39:34] <JT-Shop> so wildblue says I've used 13.1GB this month
[18:40:07] <Jymmm> This is more along the lines I'm looking for, but it's ultrasominc as you guys said, thugh I need something much smaller http://www.youtube.com/watch?v=EOuqVZ-wJAs
[18:40:17] <Jymmm> JT-Shop: and your limit?
[18:40:24] <JT-Shop> 10GB
[18:40:40] <Jymmm> think you cam e close to 12gb?
[18:40:43] <Jymmm> 13*
[18:40:55] <JT-Shop> I bought 2GB in the middle of the month and it was gone in days
[18:41:24] <Jymmm> videos?
[18:41:34] <Jymmm> music?
[18:41:36] <JT-Shop> not really
[18:41:38] <JT-Shop> never
[18:42:06] <Jymmm> realize there's a LOT of background crap that happens too
[18:42:29] <JT-Shop> yea, that's why I turned off wifi on the eye things
[18:43:34] <Jymmm> Since your router doens't support snmp, you could setup a proxy and have everything go thru that, then setup filters to block stuff you dont know
[18:43:58] <Jymmm> Everything Blocked, and open as needed.
[18:44:16] <Jymmm> Maybe even a local caching dns server
[18:44:28] <JT-Shop> don't know how to do any of that
[18:47:05] <Jymmm> JT-Shop: Check out "squid", lots of beginner tutorials for it.
[18:47:12] <Jymmm> JT-Shop: Basically what is does is
[18:48:00] <Jymmm> cache things for you to save bandwidth, but also you can restrict what goes thru it as you can setup for authentication to even get to the internet
[18:48:28] <Jymmm> JT-Shop: Maybe you want to block yourself from all the cnc porn as example
[18:48:45] <JT-Shop> like this http://fsk141.com/tutorial-setup-your-very-own-squid-proxy-with-basic-authentication/
[18:49:15] <Jymmm> JT-Shop: or restrict access to PartSEXpress.com becuse it has the word 'SEX' in it
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[18:49:51] <Jymmm> http://www.squid-cache.org/
[18:49:59] <Jymmm> https://help.ubuntu.com/lts/serverguide/squid.html
[18:50:37] <JT-Shop> thanks I'll read up on it when I get back
[18:50:43] <Jymmm> Install & Configure Squid Proxy Server in Ubuntu - 1/3 Beginner --> http://www.youtube.com/watch?v=LnBG_LEvvVw
[18:51:39] <JT-Shop> does that reroute all the network traffic though it or something?
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[18:52:17] <JT-Shop> can't click on youtube it won't load
[18:52:37] <Jymmm> internet --- sat modem --- proxy server --- dlink router --- lan
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[18:53:05] <JT-Shop> so you have to have a computer between the modem and the router?
[18:53:33] <Jymmm> Yes, as ALL traffic goes thru it
[18:53:56] <Jymmm> you dont want it bypassing the proxy server
[18:54:28] <Jymmm> it might just be simpler to buy a new router that has traffic shaping/limiting built in
[18:55:10] <Jymmm> and use your existing router as a wifi AP
[18:55:26] <JT-Shop> yea, I'll look to see what I can find for a new router
[18:55:57] <Jymmm> It doens't have to have wifi built in
[18:56:08] <JT-Shop> it can be 4 port and be inbetween the 8 port and the modem?
[18:56:13] <Jymmm> you can just reuse your existing wifi routers if you like, up to you
[18:56:20] <JT-Shop> that would be simple to install
[18:56:22] <Jymmm> sure you can do that
[18:57:19] <JT-Shop> google had lots of hits for cisco when looking for snmp router
[18:58:19] <Jymmm> heh
[18:59:55] <Jymmm> JT-Shop: I just came across this... http://helpdeskgeek.com/networking/limit-bandwidth-on-a-netgear-wireless-router/
[19:00:02] <JT-Shop> will the box say snmp?
[19:00:29] <Jymmm> JT-Shop: Dont worry about SNMP if oyu are going to buy a new one.
[19:00:44] <Jymmm> just make sure if has traffic control features
[19:00:45] <JT-Shop> why is that?
[19:00:49] <JT-Shop> ok
[19:02:36] <Jymmm> I think you want "Advanced Quality of Service (QoS)" but read the manusls before you buy
[19:03:47] <Jymmm> The reviews are iffy on that netgear router http://www.newegg.com/Product/Product.aspx?Item=N82E16833122378
[19:07:46] <Jymmm> JT-Shop: It seems a few netgear routers have somethning called "Traffic Meter" or "Traffic Monitor"
[19:08:00] <Jymmm> you can even set daily limits
[19:08:35] <Jymmm> But I have no clue how well it actually works.
[19:08:55] <Jymmm> the netgear implentation that is
[19:09:29] <Jymmm> It doens't look like you can select which traffic to alow/limit
[19:11:45] <Jymmm> It looks like SQUID can throttle traffic on a per user basis
[19:12:19] <Jymmm> Example: when the user have downloaded 2200 bytes after that its connection will be 32 kilo bits per second
[19:12:50] <Jymmm> but setup isn't exactly point and click
[19:12:57] <cradek> making a proxy does nothing if you don't block non-proxied traffic
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[19:13:25] <Jymmm> cradek: Setup for all his lan traffic to go thru the proxy
[19:13:34] <Jymmm> cradek: via authentication
[19:13:51] <cradek> you mean web traffic? squid is a http proxy
[19:14:02] <Jymmm> cradek: it's more than web
[19:14:03] <cradek> you might guess his problem is with http, but that's only a guess
[19:15:01] <Jymmm> cradek: Nah, I wasn't making that assumption, just tring to come up with somethign straight forward
[19:15:47] <Jymmm> traffic shaping in consumer land is not something I usually do.
[19:16:07] <cradek> I think he probably just needs to sniff out his smoking gun
[19:16:27] <Jymmm> He needs to to be able to control/block traffic
[19:16:33] <Jymmm> and monitor too
[19:16:45] <Jymmm> so this doens't happen in the future
[19:16:58] <cradek> when he figures out what shitty ipad app is loading ads all day, he can nuke it and move on...
[19:17:16] <Jymmm> and then the next app that does it?
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[19:17:24] <cradek> you might be right about it maybe recurring
[19:17:38] <cradek> but so far it's been a problem one time in the whole of history :-)
[19:17:39] <Jymmm> right when he's waiting for an important email, etc
[19:18:08] <Jymmm> as long as he's limited traffic wise, it won't hurt
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[19:18:32] <Jymmm> he can also speed up surfing by blocking ads at the router
[19:19:10] <Jymmm> or whatever device he intends to get, so it has extra benefits
[19:19:26] <Jymmm> super high latency on sat as it is
[19:20:13] <Jymmm> JT-Shop: your sat modem might have SNMP too
[19:20:27] <Jymmm> if they give you any access to that that is
[19:27:01] <ReadError> wow
[19:27:04] <ReadError> 10gb per month??
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[19:31:29] <Loetmichel> re @ home
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[19:41:30] <Tom_itx> JT-Shop, you should look into the router i got
[19:42:04] <Tom_itx> i haven't done alot with it as far as rules yet but it's very configurable
[19:44:07] <jdh> http://www.mikrotik.com/
[19:44:11] <jdh> they make cool router stuff
[19:44:55] <Tom_itx> Jymmm, have you ever looked at: http://www.ubnt.com/edgemax
[19:45:49] <Tom_itx> unlike cisco you don't need to buy licensing
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[19:54:29] <Jymmm> Tom_itx: http://www.ubnt.com/airmax#picostationm
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[19:55:31] <Tom_itx> i was just looking at that page
[19:56:10] <Tom_itx> also looked at the pico thing when i got this one
[19:57:53] <Jymmm> Tom_itx: Yeah, that was the one I remembered that ppl were muckng around with for various applications
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[20:03:25] <JesusAlos> hi people
[20:04:28] <ReadError> *jazzhands*
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[21:03:46] <DJ9DJ> gn8
[21:04:05] <uw> omg by DeeJay
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[21:13:14] <somenewguy> so this will make it obvious I have yet to get linuxCNC up and running since I desperatly need to make the parts in que right now, but I have a question about g-code generators
[21:14:02] <somenewguy> the most awfull (awfullest?) thing with Mach3 is using wizards" to create g-code and then manually splice it all together, removing non-standard starting and end blocks at the begging of each segment
[21:14:31] <somenewguy> I am wondering if there is a toolset out there that lets you stack a handfull of cutting operations and spits out one file when done
[21:14:52] <somenewguy> ie, face thsi area, cut a slot here, slot here, cut a hole here, stop
[21:15:08] <somenewguy> makeing it 400x times easier to tweak designs later, or is this a thing I would need to write myself if I wanted it?
[21:16:27] <andypugh> somenewguy: ngcgui
[21:17:34] <andypugh> http://linuxcnc.org/docs/html/gui/ngcgui.html
[21:18:50] <somenewguy> ooooh
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[21:19:33] <somenewguy> my holy grail is still something like openscad or freecad style modeling, but with cutting instead of rendering
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[21:20:05] <somenewguy> model all the negatives you need in space, you then punch that into the g-code generator as a "part" file and wham instant g-code
[21:20:12] <somenewguy> but thank you for telling me what it is called
[21:20:31] <somenewguy> hopefully I will be done with these parts by tonight so I can start the install/calibration before weds
[21:21:00] <somenewguy> can't imagine its more than 5 hours work to go from zero to a calibrated install on a stepper driven mill
[21:22:04] <andypugh> I have something simpler than ngcgui on my lathe, I just have a bunch of parameterised routines, and do them in sequence. No good for production, but really quick for one-offs and "thinking in metal"
[21:22:19] <somenewguy> which is basically what I do
[21:22:30] <somenewguy> everything is a one off, but verrrrry similar to the last one off
[21:22:56] <somenewguy> and lots of arcs and slots off axis, which is hard for us newbies to read and edit intelligently
[21:23:31] <somenewguy> although with this mill being my step up from using a drill press, praise the gods for peck drill cycles. I can make the prettiest holes in acrylic wherever I damn well please!
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[21:25:39] <somenewguy> ooh man, digging into ngcgui, this looks like it has a serious learning curve
[21:28:48] <JesusAlos> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?action=browse&id=Gmoccapy&revision=35
[21:28:56] <JesusAlos> I'm in step 2
[21:29:32] <JesusAlos> but don't appear autoconf.sh file in src/
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[21:31:10] <jdn> evening \ll
[21:31:18] <jdn> #all
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[21:35:27] <jd896> Evening all
[21:35:45] <kengu> evening
[21:36:08] <JesusAlos> evening
[21:36:27] <JesusAlos> gn8
[21:36:43] <jd896> Does anybody known if I can pass a variable from a spinbox and get it picked up in a oword sub?
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[21:42:56] <andypugh> jd896: Sort-of. You can wire the spinbox to a G-code "analogue input" and then read it with M66 (or M67 or some number around there)
[21:45:47] <jd896> That should work I'm reading your webpage as we speak Andy about your lathe routines
[21:46:50] <andypugh> Which page?
[21:46:54] <jd896> I'm just wanting to have my plasma delay timings on the pyvcp panel and possible change cutter compensation
[21:47:20] <jd896> Lathe/Lathe.html
[21:47:42] <andypugh> I don't use that any more :-)
[21:47:54] <somenewguy> stupid question ab out home switches
[21:48:16] <somenewguy> I accidently ordered some switches that I love, but they had less in stock than claimed and are 3 weeks out for me to get the other two
[21:48:26] <somenewguy> I am using microroller switches
[21:48:30] <andypugh> jd896: I now have a GladeVCP version. http://www.linuxcnc.org/index.php/english/forum/41-guis/26550-lathe-macros
[21:48:46] <somenewguy> do I want MORE or LESS actuating force? I think more is more accurate since shwarf is less likely to remain in the way
[21:48:57] <jd896> I've had a few part runs on there where the plate thickness has changed and I have to go back and change the file in pronest
[21:48:59] <somenewguy> but if its a ton of force, mabye the dinky little arm is flexgin during press?
[21:49:38] <andypugh> somenewguy: I think I like proximity switches more
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[21:51:13] <Tom_itx> ir?
[21:51:33] <somenewguy> I thought I liked the idea of them too
[21:51:43] <Tom_itx> andypugh, those hall sensors would work for that wouldn't they?
[21:51:45] <somenewguy> but I think there are more plusses to mech switches
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[21:53:32] <Tom_itx> like switch bounce?
[21:53:57] <jd896> andypugh: nice work there looking at it are the values still passed as an anolouge pin ?
[21:54:59] <andypugh> jd896: No, I am making use of a new feature in master that lets you read a HAL pin directly in G-code.
[21:55:22] <somenewguy> switch bounce is delicious
[21:55:28] <jd896> Is that still only in master ?
[21:55:46] <somenewguy> I can turn the homing down nice and slow, linuxcnc zeros on release, right?
[21:56:11] <somenewguy> and my home voltage line are 12v which should make em pretty nice as far as noise goes, if gecko is to be believed in their hype
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[22:10:06] <PCW> andypugh: i cant figure out what the latest absolute encoder code wants for a config line (the manual and error messages disagree)
[22:10:41] JT-Shop-2 is now known as JT-Shop
[22:10:43] <andypugh> Which module?
[22:11:28] <PCW> fanuc
[22:12:02] <andypugh> What does the error message say?
[22:14:22] <PCW> originally I had fanuc_chan_0=AA64
[22:14:24] <PCW> If i use that not bails and says the name must be fabs,ssi,biss
[22:14:32] <PCW> s/not/now/
[22:15:02] <andypugh> Let me have a look. I have a fairly major update to push.
[22:15:11] <PCW> but fabs_chan_0=AA64 does not work either
[22:16:12] <somenewguy> can linuxcnc directly toggle output pins in a clear and straightforward way?
[22:16:20] <PCW> yes
[22:16:22] <somenewguy> either teh two outputs on my gecko driver are dead, or mach3 is confusing me
[22:16:30] <somenewguy> and I can't tell if I am really toggling the outputs
[22:16:36] <somenewguy> in linuxCNC it is clear?
[22:16:50] <PCW> setp (pinname) true
[22:16:50] <somenewguy> alternatly I can toggle them with nothing on the far end of the cable and use a DMM?
[22:16:52] <PCW> setp (pinname) false
[22:16:55] <andypugh> How are you trying to toggle the outputs?
[22:17:02] <somenewguy> mach3
[22:17:18] <somenewguy> I enabled them as coolant controll, and toggled every setting and button I can find
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[22:17:36] <somenewguy> but the status bar shows a blinking light, and I don't know if it is blinking to remind me they are on, or blinking cause they aren't working lol
[22:17:42] <andypugh> If you are using Mach I have literally no idea.
[22:17:46] <somenewguy> so I am tempted to liveCD and just figure it the hell out
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[22:18:13] <somenewguy> pcw, do I issue those commands inside of linuxCNC, or thru the command line?
[22:18:13] <andypugh> But it is likely that the outputs on the G540 are switches, not voltages.
[22:18:23] <somenewguy> they are open collectors
[22:18:37] <andypugh> Yeah, that's what I meant.
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[22:18:47] <somenewguy> I got strange seeming voltages on my DMM, so I made little test lights using some leds and resistors
[22:18:48] <somenewguy> no dice
[22:18:52] <andypugh> I was aiming for "really patronising"
[22:19:07] <somenewguy> you can do better
[22:19:36] <somenewguy> if this works, and its mach3, screw the work on my plate, I'll do the install tonight and just never sleep again to make this deadline
[22:19:47] <somenewguy> I really wanna be done w/ window
[22:19:51] <somenewguy> s
[22:20:31] <andypugh> To be honest, I really wouldn't want to promise that you will be productive in LinuxCNC in much less than a week.
[22:21:39] <andypugh> PCW: http://git.linuxcnc.org/gitweb?p=linuxcnc.git;a=blob;f=src/hal/drivers/mesa-hostmot2/hostmot2.c;h=93ff070db847b0da58e4fdc8d9ff9eb90f7fff8a;hb=refs/heads/ssi-fanuc-biss-dpll#l364 shows that the modparam is "fanuc_chab_0" a the moment.
[22:21:49] <andypugh> (err, fanuc_chan_0)
[22:22:39] <somenewguy> i am afraid of that
[22:23:05] <JT-Shop> but we are here to help you for free
[22:23:06] <somenewguy> these parts only need a few slots and peck drilling, so I am considering pushing my luck
[22:23:12] <somenewguy> haha
[22:23:42] <somenewguy> how long does it take to set up the mechanics of the mill? IE setting up stepper drivers, calibrating whatever the eheck needs calibrating on initial setup etc
[22:24:10] <somenewguy> I plan on re-using as many numerical settings from mach3 (accel, limits etc) so I don't need to fuss too much on that, but I don't konw how much mroe is involved
[22:24:13] <JT-Shop> stepper drives are pretty easy, what drives do you have?
[22:24:31] <JT-Shop> oh by the way I can convert you mark config to stepconf
[22:24:33] <somenewguy> G540
[22:24:44] <somenewguy> oh really
[22:25:06] <somenewguy> let me see if I have lost the backup dongle w/ all my configs on it or not
[22:25:28] <somenewguy> I am a block away from the mill and pc right now, but it is very tempting to do this tonight
[22:25:34] <somenewguy> sleep is overrated, coffee is delicious
[22:28:21] <JT-Shop> are you on the forum?
[22:30:12] <andypugh> PCW: I think I have a strange sort of aliasing problem.
[22:30:21] <somenewguy> which forum?
[22:30:33] <JT-Shop> LinuxCNC
[22:30:34] <somenewguy> I just registered
[22:30:36] <somenewguy> oh wait no i didnt
[22:32:14] <andypugh> The scope on GPIO 31 sees a 1kHz square wave, the Halscope looking at GPIO31 sees a 1Hz square wave, even in the 20kHz thread. I am also setting the under-run fault bit at 1Hz too, according to halscope.
[22:34:26] <somenewguy> oh for the lov e of god this captcha is impossible
[22:34:35] <JT-Shop> in the Stepconf section you can attach your mark xml file and I'll convert it
[22:34:44] <JT-Shop> sorry but spammers are worse
[22:35:08] <somenewguy> there is a passcode, captcha, and text puzzle
[22:35:21] <somenewguy> and when you fail it the page breaks on the reload
[22:35:44] <somenewguy> aaaand I failled at solving 8+6 when I finally get the captcha right....
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[22:36:15] <somenewguy> 4th times the charm
[22:36:32] <andypugh> somenewguy: One day last year me and JT deleted 1000 spammers _each_. We had to put in excessive captchas or we would have both been fired from our day jobs :-)
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[22:37:12] <somenewguy> oof
[22:37:36] <somenewguy> i am one of the newest spammers on the board now!
[22:37:40] <somenewguy> i mean, users
[22:38:12] <somenewguy> JT-Shop: how much work goes into converting hte mach3 config to stepconf?
[22:38:58] <andypugh> somenewguy: It's a macro: http://www.linuxcnc.org/index.php/english/forum/16-stepconf-wizard/25900-mach-3-conversion-to-stepconf-wizard
[22:39:37] <JT-Shop> type about 15 letters and hit enter
[22:39:50] <somenewguy> I think I can hanlde that
[22:40:07] <somenewguy> I take it you are bigjohnt JT?
[22:40:26] <JT-Shop> uh, no I type it and my program converts it for you then I give it back
[22:40:35] <JT-Shop> aye we are the same person
[22:41:07] <somenewguy> ok, gonna go grab a pizza, then its back to the dungeon to grab that config and pm it to you?
[22:41:20] <somenewguy> also linuxCNC seems to support a sidewinder pad, yes?
[22:41:31] <somenewguy> walking around with my keyboard is also gettting old
[22:41:40] <somenewguy> although I foudn pretending it is a guitar is distrubinlgy normal
[22:41:47] <somenewguy> *natural, not normal
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[22:44:57] <JT-Shop> did you get registered on the forum?
[22:46:16] <PCW> andypugh: I would expect halscope to see a 1KHz signals as 1 Hz if
[22:46:18] <PCW> 1. its running at 1 KHz servo thread
[22:46:19] <PCW> 2. its not phase locked for some reason (so the DPLL is running at 1Hz faster or slower than the servo thread)
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[22:46:51] <andypugh> Ah, I know what it happening.
[22:47:06] <andypugh> I need to put the GPIO read in the fast thread too!
[22:47:09] <andypugh> Doh!
[22:47:51] <PCW> 1 Hz does suggest that the DPLL is not phase locked
[22:49:23] <andypugh> There is something funny going on, anyway.
[22:50:56] <PCW> I would normally not use a base thread as it will just add more jitter
[22:52:56] <PCW> 1 Hz is .1 % so should lock easily
[22:52:57] <PCW> (lock can be determined by watching phase error)
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[22:54:45] <PCW> if its close to latency test jitter specs its locked
[22:54:46] <PCW> if its varying from +- 1/2 servo period its not locked
[22:55:57] <somenewguy> JT-Shop: yeah Im registered now, same nick
[22:56:00] <andypugh> The over-run error bit triggers at 1Hz too, for 25mS at 1000kHz SSI frequency, and for 130ms at 200kHz
[22:56:27] <PCW> Yeah, you are not locked
[22:57:00] <somenewguy> well I found a usb drive with my old college senior project on it, but not the one with the backed up configs
[22:57:02] <JT-Shop> just attach your mark xml to the sticky in StepConf Wizard section
[22:57:09] <somenewguy> how should I send you the ... oh ok
[22:57:11] <somenewguy> got it
[22:57:26] <somenewguy> i will do that ass soon as I finish eating
[22:57:48] <andypugh> So, PCW, why am I not locked?
[22:58:10] <somenewguy> wow, 512 usb drive, been a while since I saw you!
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[22:59:03] <PCW> Either the PLimit register is not set
[22:59:05] <PCW> The FPrescale is not set
[22:59:07] <PCW> or the Sync register is not read
[22:59:46] <andypugh> Well, you are right, the plimit isn't set. I wasn't aware that I had to....
[23:00:02] <andypugh> What is it., what are the units? (Also, what are the units of phase error?)
[23:01:28] -!- jd896 has quit [Remote host closed the connection]
[23:01:34] <PCW> units of phase error are +- 1/2 DPLL period *2^32
[23:01:54] <PCW> (looking at its a S32)
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[23:02:19] <andypugh> 2^31 then?
[23:02:37] <PCW> yes but its signed of course
[23:02:54] -!- Nick001 has quit [Ping timeout: 256 seconds]
[23:03:00] <PCW> - = early + = late
[23:03:43] <PCW> suggest Plimit of 0x400000
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[23:04:06] <andypugh> http://imagebin.org/272394
[23:04:41] <PCW> (If PLimit is 0, no DPLL adjustments are possible = freerun)
[23:05:51] <andypugh> That's looking a lot better now
[23:06:24] <PCW> suggest 0xA000 for FPrescale
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[23:10:52] <andypugh> I am not sure I follow 0xA000 as FPrescale. If that is the param I think you mean, it is the top 8 bits of a 32 but register, and A000 doesn't fit either way I read it.
[23:12:04] <PCW> Prescale if for the DPLL frequency FPrescale sets the low pass filter time constant
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[23:13:06] <andypugh> Ah, OK.
[23:13:45] <PCW> my mistake, its called Filter Time constant in the regmap file
[23:15:31] <andypugh> Anyway, it's getting late here. Let me push it so you can have a play.
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[23:16:30] <PCW> Ok Thanks, and ' night
[23:16:37] <Aero-Tec> need some help
[23:17:18] <Aero-Tec> need to measure the dia of something with out touching it and that EMC can monitor
[23:18:06] <andypugh> If it is around 100m diameter I have just the device.
[23:18:14] <Aero-Tec> EMC will need to react to the out put of the measurements system
[23:18:35] <Aero-Tec> less then 2mm
[23:19:04] <andypugh> How big? Stationary or moving (like an extrusion, for example)
[23:19:05] <Aero-Tec> to 0.05mm accuracy
[23:19:22] <andypugh> Actual size or limits?
[23:19:37] <PCW> Andy maybe the AA64 thing just stopped working, Ill try a suitable format string
[23:19:39] <Aero-Tec> it is controlling a extrusion process
[23:20:08] <PCW> capacitive sensor?
[23:20:23] <Aero-Tec> plastic?
[23:20:32] <PCW> Sure
[23:20:53] <andypugh> PCW: AA64 is definitely working here.
[23:21:00] <andypugh> Let me commit then push.
[23:21:02] <Aero-Tec> how could that work?
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[23:21:30] <PCW> Change in dielectric constant
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[23:21:57] <Aero-Tec> non touching of the plastic?
[23:22:05] <PCW> Yep
[23:22:09] <Aero-Tec> not sure how that can work
[23:22:20] <Aero-Tec> ant examples of this?
[23:22:24] <Aero-Tec> any
[23:22:35] <archivist> shadow and webcam, laser and and similar
[23:22:52] <Aero-Tec> I was thinking laser
[23:22:56] <PCW> Let me find a link
[23:23:13] <archivist> mitutoyo sell something that has a laser
[23:23:18] <Aero-Tec> but how to sense it and input it to EMC?
[23:23:30] <archivist> scanner sensor
[23:23:47] <andypugh> Webcam and (err, that image recognition thing) sounds cheapest to me.
[23:24:11] <Aero-Tec> I was thinking web cam
[23:24:29] <archivist> but your optics will require some calibration
[23:24:47] <Aero-Tec> but had no idea how to use it as a way to sense and use that in EMC
[23:25:09] <andypugh> http://www.keyence.com/products/sensor/positioning/vg/features/index.jsp
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[23:25:27] <Aero-Tec> what image recognition thing are you talking about?
[23:25:29] <archivist> for more possible accuracy look up "telecentric" lens
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[23:26:09] <andypugh> Aero-Tec: If I could remember the name of the image recognition thing I wouldn't be calling it the image recognition thing
[23:26:46] <Aero-Tec> lol
[23:26:48] <Tom_itx> i wonder if that sensor i posted the other day would work for that
[23:26:52] <Tom_itx> the TI one
[23:27:09] <andypugh> The inductive one
[23:27:09] <Tom_itx> inductive to digital
[23:27:10] <Aero-Tec> got the link?
[23:27:16] <archivist> there are those laser line devices one gets in home tool products too
[23:27:17] <Tom_itx> i'm checking
[23:27:21] <Tom_itx> it's in the logs for sure
[23:27:25] <andypugh> Not going to wirk for plastic at all.
[23:27:28] <PCW> http://www.balluff.com/balluff/MUS/en/products/Analog-Output.jsp
[23:27:35] <Tom_itx> true
[23:28:22] <andypugh> The keyence optical micrometer seems perfect to me.
[23:28:32] <archivist> what software, you may be writing it :)
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[23:28:56] <archivist> except the obsolete part
[23:29:19] <jdh> I have 30 or so keyence laser mics at work, they work great.
[23:29:41] <andypugh> Aero-Tec: http://www.ebay.com/itm/Keyence-LS-5041R-and-LS-5041T-Laser-Micrometer-Heads-/190911955939?pt=BI_Control_Systems_PLCs&hash=item2c733d43e3
[23:30:02] <archivist> http://ecatalog.mitutoyo.com/Laser-Scan-Micrometer-LSM-500S-Series-544-High-Accuracy-Non-contact-Measuring-System-C1353.aspx
[23:30:39] <andypugh> OpenCV
[23:30:44] <andypugh> That's what it's called
[23:30:54] <jdh> that ebay keyence link is only half the system
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[23:31:54] <andypugh> Yeah, Aero-Tec is going to write a LinuxCNC driver for the other half.
[23:32:14] <jdh> that's a lot of hardware to replace with software
[23:32:23] <andypugh> (It's going to be SSi or something, isn't it?)
[23:32:58] <JT-Shop> $39.95 Netgear Nanny is in the house
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[23:34:29] <Tom_L> http://www.mouser.com/new/Texas-Instruments/ti-ldc1000-data-converter/?utm_medium=email&utm_source=september2013&utm_campaign=cm-enews-general&utm_content=featuredlm
[23:34:40] <Tom_L> there's the sensor for what it's worth
[23:34:44] <PCW> Does it actually have to be accurate or linear or just sense deviation for a feedback loop
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[23:36:07] <andypugh> PCW: I pushed a more functional version. That should have a working hm2dpll
[23:36:31] <PCW> Illl give it a try
[23:37:12] <Aero-Tec> mitutoyo one is way to much money
[23:37:47] <Aero-Tec> sensing deviation for a feedback loop may work
[23:37:54] <andypugh> The Keyence one is basically a CCD. SO much the same as Webcam / OpenCV solution.
[23:38:15] <Aero-Tec> OpenCV?
[23:38:26] <Aero-Tec> should I do a search for that?
[23:38:34] <archivist> yes
[23:38:50] <andypugh> http://www.youtube.com/watch?v=qd18eIa7w2A
[23:41:24] <jdh> how accurate are you looking for?
[23:42:08] <Tom_itx> pin diode and laser might work
[23:44:03] <andypugh> LED and photosensor might work.
[23:44:24] <andypugh> (more or less shadow)
[23:44:41] <Aero-Tec> I need 0.05mm accuracy
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[23:44:47] <archivist> the output temp may be sensed instead of size
[23:44:59] <Aero-Tec> that OpenCV looks like it may work
[23:45:17] <Aero-Tec> can one connect it to EMC?
[23:45:25] <archivist> accuracy depends on your optics and calibration
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[23:45:48] <archivist> probably
[23:45:50] <jdh> the ls5000 series will do more like 0.001mm
[23:46:35] <jdh> 7000 series is better than that
[23:47:26] <Aero-Tec> jdh your talking mitutoyo, right?
[23:47:34] <Aero-Tec> that some big cash
[23:47:39] <jdh> keyence
[23:47:50] <archivist> and big cash probably
[23:47:59] <jdh> I just order them, they show up :)
[23:48:08] <Aero-Tec> lol
[23:48:19] <Aero-Tec> you work for big co I would guess
[23:48:31] <Aero-Tec> they pay the bill
[23:48:43] <jdh> yeah, we bring good things to life.
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[23:52:55] <Aero-Tec> so how hard would it be to connect OpenCV to EMC?
[23:53:17] <Aero-Tec> and use the info to control a system?
[23:53:28] <JT-Shop> what is OpenCV?
[23:55:14] <Aero-Tec> a cool program
[23:55:22] <Aero-Tec> do a search for it
[23:55:28] <Aero-Tec> open source
[23:56:26] <JT-Shop> internet is limited to 28k at the moment
[23:57:47] <Aero-Tec> http://opencv.org/
[23:58:31] <JT-Shop> yea, last part went into the powder coat oven
[23:58:44] <DaViruz> i seem to only find informatino on how it's licensed, but not a word on what it does
[23:59:12] <somenewguy> opencv is a image processing API or something like that
[23:59:16] <somenewguy> it does cool stuff to video
[23:59:27] <somenewguy> face recognition, edge detection, pretty filters, etc etc