#linuxcnc | Logs for 2013-03-22

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[00:06:38] <JT-Shop> http://www.youtube.com/watch?v=g266Uwp6ZnI
[00:08:22] <Tom_itx> i was hoping it were a log splitter demo
[00:08:31] <JT-Shop> I wish
[00:08:46] <JT-Shop> next up is the motor and pump mount for the splitter
[00:08:56] <JT-Shop> btw, it is named Chopslee
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[00:22:26] <JT-Shop> http://www.spyderlovers.com/forums/album.php?albumid=604&attachmentid=20323
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[00:24:48] <tjtr33> will the 6I25 work in the PCIe slot of the E45M1-M PRO?
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[00:25:20] <tjtr33> that vw sidecar could be very confusing seen from a rearview mirror
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[00:33:55] <PCW> tjtr33 sure
[00:34:12] <tjtr33> thx
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[00:46:51] <PCW> but a 5I25 is actually a little faster
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[00:54:06] <tjtr33> PCW thank you, i havent read enough yet to see the differences,
[00:54:08] <tjtr33> the short description makes them seem almost identical despite the simpler bus i/f
[00:58:51] <PCW> 5I25 is PCI 6i25 is PCIE
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[00:59:42] <PCW> but the 6I25 is really just a 5I25 hiding behind a PCIE/PCI bridge electrically
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[01:00:26] <gmag> going to sleep. Good night and thanks again
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[01:02:04] <tjtr33> yes, looks like a very useful product "These is a small speed advantage and some additional 6I25 features available if the card is runs as a native 6I25."
[01:03:18] <tjtr33> no matter till i buy one and use it. seems a good pair, that mobo, the 6i25 and having a free full pci slot left over
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[01:32:33] <andypugh> Ah, I was just going to suggest to gmag that for 2 metres an hour an indivdual piston-press device would probably be fine.
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[02:27:13] <sadara> Does anyone online atm know anything about servos?
[02:27:53] <sadara> or MESA products
[02:30:16] <tjb1> pcw_home or PCW
[02:30:28] <sadara> ?
[02:30:41] <tjb1> he works at mesa
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[02:31:04] <tjb1> Saying his name pings him so he might respond if he is here
[02:32:00] <r00t4rd3d> just asking your question might get it answered also
[02:32:47] <r00t4rd3d> or pointed in the right direction
[02:32:55] <sadara> I have bought some servos, and I just wanted to make sure they are compatable with the mesa servo drive
[02:33:30] <sadara> datasheet for servo: http://www.electromate.com/db_support/downloads/APIBT171SERIES.pdf
[02:33:56] <r00t4rd3d> link to datasheet for the mesa drive?
[02:34:10] <sadara> and I was concidering the 8I20 servo drive: http://www.mesanet.com/nodatasheet.html
[02:34:24] <sadara> lol, try this instead: http://www.mesanet.com/pdf/motion/8i20man.pdf
[02:37:43] <sadara> all up :1x 7I49 resolver card, 1x 5I22 Anything IO, 1x 7I44 Eight Channel RS-422, 6x 8I20 2200W 3 Phase Amplifier
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[02:40:08] <sadara> this is my first foray into servo territory
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[04:05:47] <LeelooMinai> Any opinion of Chinese hobby CNCs like that: http://www.aliexpress.com/item/Free-shipping-110V-mini-desktop-cnc-engraving-machine-4-axis-cnc-3040Z-DQ-with-Ball-Screw/701792421.html?tracelog=back_to_detail_a
[04:06:13] <LeelooMinai> Are they, I don't know... at least reasonable for this price? :)
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[04:15:10] <toner> ooh
[04:15:12] <toner> interesting
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[04:57:56] <t12> can you limit a pneumatic die grinders top speed by limiting air flow or pressure?
[05:06:59] <L84Supper> yes, if they are pneumatic
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[05:31:09] <LeelooMinai> When they write "rails are not supported" what does that mean?
[05:31:24] <LeelooMinai> Or "unsupported rails"
[05:39:42] <LeelooMinai> Ok, never mind - asked in ##electronics and they knew:p
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[06:21:27] <sadara> for our applicatioin, in general if you want to cut anything, unsupported rails = bad
[06:27:14] <LeelooMinai> Right, I found some more info and I get an idea now that the whole axis just hangs on them which seems to be bad...
[06:28:58] <sadara> rigidity suffers a lot, esp for long axis
[06:29:13] <LeelooMinai> Would a 400-something oz-inch stepper be sufficient if I wanted to do some light aluminum-cutting work (light in the sense, not too many items, and not some crazy speeds.)
[06:29:15] <LeelooMinai> ?
[06:30:03] <LeelooMinai> I can see bigger ones, but they seem to be monstrious... like 1600
[06:30:20] <LeelooMinai> monstrous*
[06:30:31] <sadara> What is your motion? Ballscrew?
[06:30:35] <LeelooMinai> Yes
[06:30:45] <sadara> lead?
[06:31:19] <LeelooMinai> Well, I am buying the stuff - I see they have 10 turns per inch mostly... but there may be some options
[06:31:48] <sadara> 2.54mm.... wow, what dia?
[06:31:56] <LeelooMinai> 16mm
[06:32:21] <LeelooMinai> Well, actually, it just saus lead 10
[06:32:23] <LeelooMinai> says
[06:32:29] <LeelooMinai> So maybe that is metric
[06:32:44] <sadara> thats more like it
[06:33:18] <sadara> 2.54 mm lead, 400oz inch(2.82Nm) = 640kilograms force
[06:33:45] <sadara> 10 mm lead, 400oz inch(2.82Nm) = 160kilograms force
[06:33:46] <LeelooMinai> Which I presume is a lot?
[06:33:56] <LeelooMinai> Not sure what force I want for aluminum cuts
[06:34:30] <sadara> both allowing for 90% ballscrew efficiency
[06:34:35] <LeelooMinai> I would also want more precisions than speed
[06:35:07] <sadara> 1500 pounds or 350 pounds respectivly
[06:35:26] <LeelooMinai> 640kg sounds scary:)
[06:36:07] <LeelooMinai> I mostly want to make sure I don't buy mismatched stepper
[06:36:28] <sadara> with a 10mm ballscrew, and a 200 step / rev stepper, your looking at 2 thou
[06:36:36] <LeelooMinai> From what I see 200-something are most popular, 400 more expensive, and 1600 are some nema34 monsters
[06:36:53] <LeelooMinai> Yes, 2 though is ok - that's like 10um
[06:37:10] <sadara> Pick metric or imperial
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[06:37:22] <sadara> these unit conversions are annoying
[06:37:49] <LeelooMinai> Mm, actually - 1 mil is 25 um and 1 mm is 40 mil
[06:38:18] <LeelooMinai> So 2 mil is 50 um - that's not so great
[06:38:40] <sadara> ok, so you can microstep or pick a smaller leadscrew
[06:38:43] <LeelooMinai> If I want more precision, what am I looking for? Smaller lead?
[06:38:47] * sadara picks metric
[06:39:38] <LeelooMinai> Right... but I presume microstepping is not as good as direct angle to linear conversion?
[06:40:52] <LeelooMinai> The mostors sometimes come with sets of drivers - I see a lot of some Chinese Wentai brand - are they acceptable, or will they explode:), or cause problems with cnc software?
[06:41:18] <LeelooMinai> I can also make my own pcbs, but not sure if it's worth the effort
[06:41:31] <sadara> it depends what your trying to do, lower lead = more torque, but less speed
[06:41:55] <sadara> stepper drives are cheap, and they are almost all the same
[06:42:09] <LeelooMinai> http://www.aliexpress.com/item/USA-Ship-Free-Ship-to-USA-3-Axis-Nema23-Wantai-Stepper-Motor-425oz-3-0A-driver/696969706.html
[06:42:14] <LeelooMinai> They look like this
[06:42:30] <LeelooMinai> They can do 128 microstepp apparently
[06:42:42] <LeelooMinai> I presume that they will be compatible with linux cnc software
[06:42:58] <sadara> emc2 yes
[06:43:20] <LeelooMinai> Also, why is there so many people here, and no one ever talks?
[06:43:28] <sadara> you will still need a parallel
[06:43:39] <sadara> It's cause they are all retarded ;)
[06:44:08] <sadara> Most ppl are either afk or monitoring
[06:44:11] <LeelooMinai> It's a bit weird... I thought CNC got popular in recent years
[06:44:25] <sadara> yeah, but IRC less so
[06:45:00] <sadara> it is a bit like been in a library, lots of ppl, no talking
[06:45:24] <LeelooMinai> Well, it's my first CNC - I will probably make some mistakes, but the parts are not cheap, so I don't want to make too big mistakes:)
[06:45:36] <sadara> everyone is studing or working on there own thing, the only reason I answered is I'm waiting on a FEM to finish
[06:45:54] <LeelooMinai> Right, lucky me...
[06:45:59] <sadara> If this is your first CNC, don't try to aim to do steel
[06:46:16] <sadara> even ali will be difficult
[06:46:16] <LeelooMinai> Aluminum - mostly small pieces though
[06:47:12] <LeelooMinai> My plan is to buy those rail/ballscew sets and motor/driver from China/aliexpress and then build some stiff frame from parts I can get locally, as they are too have to order
[06:47:17] <sadara> size is not an issue, for a hobby project, you can always machine light cuts, but even ligth cuts in steel will stress most hobby machines
[06:47:45] <LeelooMinai> Well, steel is stell... I do not plan on doing that - aluminum is much softer
[06:48:17] <sadara> what material are you planning on using for your frame?
[06:48:30] <LeelooMinai> All aluminum I think
[06:48:37] <LeelooMinai> Extrusions
[06:49:06] <sadara> I'm currently building a machine from concreate, polystyrene and fibreglass
[06:49:24] <LeelooMinai> Are you sure that it's CNC, not a house? :p
[06:50:19] <LeelooMinai> Though I saw some people making tables from concrete...
[06:50:25] <sadara> yeah, i know. but believe it or not, it should be able to do steel, and faster than a steel frame router
[06:50:53] <sadara> Just using it as a suggestion, don't limit yourself to ali construction
[06:51:50] <LeelooMinai> It seems to have good balance of stiffness/price... fibreglass seems a bit exotic (I have bike frame made of carbon though - I know it can be stiff:)
[06:52:41] <sadara> for your first router, you can build from plywood/mdf/lumber and then upgrade each part to ali as you understand its function
[06:53:39] <LeelooMinai> Yes, I thought about, it, but I figured I have some tools that will manage alu, so I may skip the mdf step - it kind of feels weird to have mdf frame and try to cut alu to me
[06:53:47] <sadara> fibreglass foam construction is what I am familier with, so it is what I'm going to use. Concrete is cheap...
[06:54:40] <LeelooMinai> Fibreglass foam... And what parts would be made out of that?
[06:54:59] <sadara> in my case, the gantry
[06:55:21] <LeelooMinai> Hmm... never saw anything like this - it must be some novel idea:)
[06:55:41] <sadara> not really, you only see it in the really $$$ machines
[06:56:06] <LeelooMinai> And it's good because it's stiff and light at the same time, right?
[06:56:13] <sadara> yes
[06:56:26] <LeelooMinai> I guess with moving gantry that makes sense
[06:56:40] <sadara> the top speed you most hobby machines is not relevent to the application
[06:57:01] <sadara> ie, most of the time is spent accelerating/decelerating
[06:57:02] <LeelooMinai> I am not sure yet if make the gantry moving... maybe for thew first one I should make moving table?
[06:58:09] <LeelooMinai> I know it will take a bit more space... but at least I would not have to worry that I attach some heave tool to the z axis... probably
[06:58:44] <sadara> It's up to you, moving table is easier, but slower, it's also difficult to tune for max performance (as the changing weigth of the work makes turning the x axis harder) but these arn't concerns for your first machine
[06:59:36] <sadara> The maching I'm mahing is 1.6m x 2.7m x 600mm working volume, so I'm going with a fixed table
[06:59:51] <LeelooMinai> Right, well, will think about it. I also thought that if I can make alu parts, I can upgrade the machine, by making the upgrade parts with it
[07:00:10] <sadara> fair enough, what sie is your machine?
[07:00:14] <sadara> s/sie/size
[07:00:52] <LeelooMinai> That will be determined by the rail/bakkscrew set I buy - I see they have reasonably prices 60cm/100cm/30cm sets
[07:01:13] <LeelooMinai> I don't think larger than that
[07:01:57] <sadara> make sure you subtract around 100mm from each axis if buying from china, as they don't deduct the end machining from the length of the ballscrew
[07:02:25] <LeelooMinai> Right, I know - to be honest this is already oversized for my needs
[07:02:50] <LeelooMinai> But since I invest some money, I don't want to goo too tiny
[07:03:14] <sadara> for that size maching, a moving bed is much easier
[07:03:43] <sadara> It's better to have a very nice small machine, than an "ok" medium sized
[07:03:46] <LeelooMinai> Right, no, I am not building some monster machine that will make wooden furniture or anything like that:)
[07:04:28] <LeelooMinai> And medium sized is what?
[07:04:56] <sadara> 60cm/100cm/30cm
[07:05:06] <sadara> What are you going to be making?
[07:05:23] <sadara> 60cm/100cm/30cm is pretty big, if you think about it
[07:06:06] <LeelooMinai> I am doing a long of hobby EE projects. So probably some PCB experiments, but also enclosures for projects, maybe some robotic stuff - protptyping parts mostly, nothing for production
[07:06:11] <sadara> almost all my work would fit in a 300/300/300 mm cube, or is very large, like 1000x100
[07:06:11] <LeelooMinai> long=lot
[07:06:35] <sadara> s/1000x100/1000x1000 mm
[07:07:29] <LeelooMinai> RIght, for me 30cmx30cm is probably enough... though there's no huge difference between prices of those rail/screw sets...
[07:07:49] <LeelooMinai> So though that maybe I should oversize it a bit... don't know
[07:07:55] <sadara> no, but the rigidity of the machine will bt 10x better
[07:08:03] <sadara> s/bt/se
[07:08:31] <LeelooMinai> True... unless I make the alu parts oversized too
[07:08:36] <sadara> that may enable you to do light steel milling
[07:09:21] <LeelooMinai> That sounds like something that would wear down the machine pretty fast
[07:09:27] <sadara> I'm just trying to make sure your clear on what your goal is
[07:09:59] <LeelooMinai> Well, as I said - at most some light aluminium cutting/milling
[07:10:10] <LeelooMinai> And I want some good precision for other stuff
[07:10:16] <LeelooMinai> Speed not important really
[07:10:16] <sadara> ok
[07:11:33] <LeelooMinai> I like alu as material for enclosures, so that's that, and the other part is, as I wrote, to make some parts for the CNC itself using it
[07:12:12] <LeelooMinai> But steel... I don't know - that's a bit hard core:)
[07:12:13] <sadara> then I would suggest 20mm 5mm lead ballscrews, 3.5Nm (400-600 oz inch) steppers, with no microstepping unless more precision is needed on light jobs (ie PCBs)
[07:12:44] <LeelooMinai> O, ok, that's good info - thx
[07:19:06] <sadara> I might go slightly larger on the bed stepper, just so that x and y axis can accelerate at the same rate
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[07:51:03] <DJ9DJ> moin
[07:53:13] <sadara> morning
[07:53:36] <sadara> PCW / pcw_home , are you up yet?
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[07:57:30] <ProxDem> anybody know JT-Shops homepage URL?
[08:00:49] <cncbasher> gnipsel.com
[08:01:55] <ProxDem> maybe I'm confusing him with someone else
[08:02:16] <ProxDem> I think it was him who linked me a CNC tutorial URL that was interesting
[08:02:25] <cncbasher> 1 min
[08:02:48] <ProxDem> nvm
[08:02:49] <ProxDem> found it
[08:02:53] <ProxDem> =)
[08:02:56] <ProxDem> thanks cncbasher
[08:03:08] <cncbasher> it';s all their it's just finding it haha
[08:03:16] <cncbasher> glad u managed it
[08:03:50] <ProxDem> yeah was my bad
[08:20:46] <Jymmm> JT-Shop: What ya think? http://www.youtube.com/watch?v=HX7VaDYKZ30
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[10:41:07] <R2E4_> Lianne is bad ass!!!
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[10:55:22] <jthornton> I think I over slept
[10:58:40] <cncbasher> hell i wish i could sleep
[10:59:59] <archivist> hmm bed...warmest place here
[11:00:59] <cncbasher> yea usual wet and windy here
[11:01:28] <archivist> snow and slush here
[11:02:22] <cncbasher> not had any snow here at all
[11:02:35] <cncbasher> so you have a bonus
[11:11:24] <jthornton> we got a couple of inches of snow
[11:12:10] <archivist> where is this Spring then!
[11:12:38] <micges> not here
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[11:21:43] <sadara> Can anyone here help me with servos?
[11:22:50] <archivist> ask a better question because many can
[11:23:56] <sadara> I'm trying to figure out if a servo is compatible with a drive
[11:24:10] <sadara> I don't have the complete servo datasheet
[11:25:00] <sadara> anyone?
[11:25:30] <archivist> still nothing in the question anyone can answer
[11:25:36] <cncbasher> what servo and which drive ?
[11:25:39] <sadara> drive manual http://www.mesanet.com/pdf/motion/8i20man.pdf
[11:25:57] <sadara> servo partial datasheet: http://www.electromate.com/db_support/downloads/APIBT171SERIES.pdf
[11:26:43] <sadara> one of the servos I have is an BT-0172ERA-R1LN
[11:26:58] <sadara> which has a resolver, not a quadrature encoder
[11:27:20] <sadara> so I would need a mesa resolver interface as well
[11:28:41] <sadara> I know I also need other items from mesa to make it all work, however I'm only concerned with the servo drive atm
[11:29:43] <sadara> That is the best datasheet I can find
[11:30:19] <cncbasher> on first look it should be ok , but i would send the data sheet to mesa and they can check
[11:30:50] <cncbasher> you probably would need the 7i49 resolver add on card
[11:31:22] <sadara> and a 422 card as well
[11:31:33] <sadara> from looking at the datasheet, the servo is expecting around 230Vrms
[11:31:37] <cncbasher> they will be able to match up the products much quicker for you
[11:32:15] <sadara> That is the only low cost drive I can find the is suitable for that servo
[11:32:49] <sadara> that drive is 2.2KW, the servo is only 50W
[11:33:11] <sadara> are there any smaller HV drives around? even with a step dir interface
[11:33:27] <cncbasher> do you not have any origional drives
[11:33:32] <sadara> all the chinese drives seem to be limited to 80vdc
[11:33:41] <sadara> No, I don't have the original drives
[11:34:11] <Jymmm> Anyone know how much difference there is between .22lr and .25 pistols (and dont say 3 ya dumbass)?
[11:34:23] <sadara> I got the servos really, really cheap without the drive
[11:35:06] <cncbasher> yes it's usualy the case , if you get both the price is increased
[11:35:07] <sadara> .22lr was never meant as a pistol round, need long barrel
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[11:35:36] <Jymmm> sadara: why?
[11:35:43] <sadara> .25 was designed as a semi-accurate pistol round
[11:36:03] <sadara> Jymmm: lots of reason, powder burn time
[11:36:09] <Jymmm> sadara: There are .22lr kits for my gliock
[11:36:16] <Jymmm> glock
[11:36:17] <cncbasher> for that very reason they work together and match
[11:36:55] <sadara> cncbasher: but a servo for $10, + a drive for $180 is still very cheap
[11:36:59] <cncbasher> new servo motors are 80v or their abouts , old servo's 180v etc
[11:37:54] Jymmm is now known as Red70sShow
[11:37:56] <sadara> Jymmm: .22lr round was designed as a plinking rifle round
[11:38:01] Red70sShow is now known as Jymmm
[11:38:06] <sadara> cncbasher: That explains a lot
[11:39:11] <cncbasher> and the fact that older drives use resolvers where the newer use quad encoders
[11:39:37] <cncbasher> so you tend to have to match old servos with older drives
[11:39:53] <sadara> newer servos use resolvers too, the resolver is actually better in a lot of ways
[11:39:59] <cncbasher> but if they are in working order thats usualy not a problem
[11:40:38] <cncbasher> but any faulty ones stay away .. the capacitors normaly require replacing
[11:40:40] <sadara> the problem is, most of the really old drives have a propritory interface
[11:41:09] <cncbasher> the majority have + - 10v analog somewhere
[11:41:27] <cncbasher> which is an industry standard
[11:43:15] <cncbasher> the fanuc properierty interface is a nightmare so keep away from that , as their is little known about the format
[11:43:50] <cncbasher> have you looked at automationdirect .com
[11:44:06] <sadara> looking now
[11:47:50] <sadara> the smallest amp they do is still 400W, and is $480, and not compatible with resolvers
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[11:49:03] <sadara> I'm probably a bit optimistic expectiing to pick up amps for $100 a channel
[11:51:23] <cncbasher> yes amps are prob around $200 - 300
[11:51:59] <cncbasher> but dont discount mesa , they will soon come up with a solution
[11:52:24] <cncbasher> they have more than what is on the website and can truly advise
[11:53:09] <sadara> yeah, I must say, the mesa solution looks pretty awsome, and I'm happy with the price
[11:54:08] <cncbasher> look on ebay but it is advisable to buy them as a pair , rather than seperate in this case
[11:54:30] <skunkworks> I am a very happy mesa customer
[11:54:37] <cncbasher> me too
[11:54:46] <skunkworks> (and linuxcnc)
[11:54:57] <Jymmm> skunkworks: quit sucking up to PCW =)
[11:55:27] <cncbasher> i'll join skunk and we can suck together
[11:55:43] <skunkworks> here here!!
[11:55:52] <Jymmm> lol
[11:55:54] <sadara> is anyone in the US? What time is it where MESA are?
[11:56:05] <Jymmm> 0455
[11:56:25] <sadara> I might try and call them on the telephone... (wow, it felt weird saying that)
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[11:56:58] <sadara> also, I find americans very hard to understand
[11:57:12] <skunkworks> heh - so do we
[11:57:42] <cncbasher> send an email and attach your spec
[11:57:55] <cncbasher> i'm sure you'll get a responce
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[13:09:31] <r00t4rd3d> sadara, PCW should come alive soon.
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[13:31:24] <cncbasher> JT?
[13:36:54] <JT-Shop> que?
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[15:44:27] <r00t4rd3d> http://www.liveleak.com/view?i=39c_1363906119
[15:44:54] <r00t4rd3d> bet that wasnt fun to setup
[15:48:29] <sadara> anyone in the U S of A awake yet?
[15:51:23] <JT-Shop> yup
[15:51:31] <cradek> it's 11am
[15:52:05] * sadara slaps PCW around a bit with a large trout
[15:52:27] <cradek> just ask your question!
[15:54:16] <JT-Shop> what cradek said ^^^
[15:54:19] <sadara> si this servo : http://www.electromate.com/db_support/downloads/APIBT171SERIES.pdf compatible with an 8I20, also i
[15:54:34] <sadara> is this servo : http://www.electromate.com/db_support/downloads/APIBT171SERIES.pdf compatible with an 8I20
[15:55:32] <sadara> or does mesa make a smaller 300vdc brushless ac drive, like around 100w
[15:56:14] <sadara> that would be the 4th time I've asked in channel btw
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[15:56:37] <pcw_home> No, we dont make any small HV drives
[15:56:56] <sadara> it speaks =D
[15:59:16] <sadara> I realize I need a resolver interface as well, but the datasheet I have for the servos is not complete, and this been my first servo project, I just wanted confirmation, or at least a second opinion, that the drive is compatible with the servo
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[16:03:36] <sadara> Who is the mesa dealer for australia?
[16:04:38] <skunkworks> your australian? And you can't understand americans?
[16:04:49] <skunkworks> you're
[16:05:28] <sadara> I can understand cockney Irish better than merican...
[16:05:57] <skunkworks> heh
[16:06:13] <sadara> You've heard americans speak right?
[16:07:02] <Connor> I have. They have a wide range of accents..
[16:07:54] <sadara> Connor: true, I personally only have trouble with a few
[16:07:59] <L84Supper> http://tinyurl.com/b755mwl $7k for a 93 in working condition
[16:09:08] <L84Supper> speaking uhmerikan is not required, even to become president
[16:10:14] <sadara> It's weird though, I can watch american tv shows and not have a problem, but speaking to Americans over the phone I honestly only understand 1 word in 2
[16:10:37] <L84Supper> sadara: what parts of the USA do you call?
[16:10:58] <L84Supper> accents vary widely
[16:12:19] <sadara> louisiana
[16:12:22] <sadara> ummm...
[16:12:35] <Err> and actors practice speaking clearly - whereas most people in general do not
[16:12:51] <Err> ha! yeah, Louisiana is not going to sound like the "normal" american accent on TV
[16:13:13] <sadara> Texas
[16:13:59] <sadara> and california
[16:14:01] <Connor> Oh my. That's not American, Louisiana is Cajun. and Texas is DEEP south..
[16:14:13] <Connor> California, you should have been fine with.
[16:14:25] <JT-Shop> Texas is Amexican
[16:14:35] <sadara> CA is better than everywhere else
[16:14:39] <Connor> JT_Shop that too.
[16:14:46] <L84Supper> a Bridgeport for only $700 http://www.ebay.com/itm/Bridgeport-J-Head-Vertical-Milling-Machine-/221204862466?pt=LH_DefaultDomain_0&hash=item3380d65602
[16:15:31] <sadara> I wonder how much Air express would be
[16:15:51] <L84Supper> ~$1/lb at that weight
[16:17:15] <L84Supper> sorry $1.5K + $1/lb, but I think it would have to be partially disassembled to meet the size requirements for DHL or Fedex
[16:17:48] <L84Supper> http://www.ebay.com/itm/Leadwell-MCV-610P-w-Mitsubishi-Control-CNC-mill-22-X-travel-/290797528613?pt=LH_DefaultDomain_0&hash=item43b4e22625
[16:18:18] <sadara> thats nice
[16:18:19] <Connor> L84Supper: Why are you listing random machines from ebay ?
[16:18:41] <jdh> and worse, from Hicksville
[16:18:48] <L84Supper> posting good deals, feedback
[16:18:57] <sadara> be nice, he may live in hicksville
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[16:19:20] <Connor> jdh: knows exactly where I live. :)
[16:19:39] <L84Supper> is school out today? spring break?
[16:19:40] <jdh> different hicksville :)
[16:19:48] <skunkworks> Connor, how is pete doing?
[16:19:52] <jdh> L84: starts here today
[16:20:32] <jdh> I don't think I could ever free up enough space for a bridgeport
[16:20:48] <Connor> skunkworks: Not heard from in since we got his motor working... I think he's waiting on more electrical components.. a few relays and a din mount bus bar etc..
[16:20:58] <skunkworks> ah
[16:21:11] <sadara> with the mesa cards, with a 6axis machine with a basic atc, is there any reason to buy a FPGA card with more gates than the absolute minimum you need, assumeing you are never going to add to the machine?
[16:21:59] <Connor> Still can't believe I helped him get that working over the phone and me never doing anything with mesa, or that servo controller.. :) still patting my self on the back for that one.
[16:22:06] <jdh> with that much money invested, is there any reason to try to save a fractional percent by buying a cheap card?
[16:23:14] <sadara> I'm not trying to buy a cheap card, just wondering if it's worth spending an extra cpl hundred now
[16:23:50] <skunkworks> sadara, you always want more.... :)
[16:24:24] <sadara> I know, but I can't figure out how I could use more, even if I wanted too
[16:24:51] <skunkworks> probing, automation, coffee maker...
[16:25:33] <Connor> Letting someone in the US turn on/off your shop lights... (like in big bang theory)
[16:26:43] <sadara> are the ethernet cards compatible with EMC?
[16:27:08] <skunkworks> only one of mesa's cards is in beta.. otherwise no.
[16:27:16] <sadara> for motion control, not just accesories
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[16:29:13] <skunkworks> linuxcnc is the realtime controller... at the moment - it requires a realtime connection to the hardware. (so pci, printer port, epcie, pcie, (and ethernet seems possible) all work great - usb does not.
[16:29:28] <Connor> WOW... Adobe To Australians: Fly To US For Cheaper Software
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[16:30:36] <sadara> Connor: atm it's cheaper for me to fly out of the country, buy a 2 week supply of cigerettes, and fly back here, than it is to buy them here
[16:30:50] <Connor> WTF ?
[16:31:43] <sadara> Australia is _VERY_ expencive
[16:31:45] <jdh> even cheaper to not buy them!
[16:32:12] * sadara just quit smoking, the air travel was killing me
[16:32:27] <jdh> and really, it's 2013... we still don't know everything, but I think cigarettes are a known life failure.
[16:32:54] <tjtr33> sadara install linuxcnc, then browse the config directory to see implementations using different combinations of products. ( or run the live cd )
[16:33:01] <tjtr33> you'll get ideas fer sure
[16:33:06] <skunkworks> I didn't know that duke of duke univeristy was the inventer of the modern cigarett rolling machines..
[16:33:27] <Connor> I don't smoke, never have, never will.. wish I could get my mother to stop.. she has COPD because of it...
[16:33:41] <sadara> COPD?
[16:33:50] <Connor> Chronic obstructive pulmonary disease
[16:33:59] <skunkworks> I like how the comercials for copd meds say nothing as to why you have copd...
[16:34:09] <Connor> I.E. emphysema
[16:34:26] <sadara> ahh, why is everything renamed?
[16:34:43] <Connor> CPOD is a broader term..
[16:35:11] <Connor> Can cover all kinds of different more specific problems....
[16:35:21] <jdh> my stepmother has emphysema, smoked for 40 years and now has to carry o2 around with her... she still says it isn't from smoking.
[16:37:09] <sadara> jdh, it's not all bad, next time your hung over, take oxygen for 20mins
[16:37:18] <jdh> I don't drink.
[16:37:43] <sadara> you don't drink, you don't smoke.... you do cnc
[16:38:26] <jdh> I do have 40,000l of o2 in the garage
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[16:42:07] <sadara> there is a 7i43 driver in EMC, the 7i43 has a USB interface... am I missing something? Or is it just experimental?
[16:43:24] <cradek> LinuxCNC talks to the 7i43 over EPP which is a realtime parallel port based protocol
[16:43:40] <Connor> Don't EVEN think about using USB..
[16:43:56] <cradek> see http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Mesa_Cards
[16:44:08] <sadara> I figured, Linux doesn't has sync USB drivers
[16:44:17] <zq> trademark dispute, wtf
[16:44:22] <sadara> cradek: I'm reading it
[16:45:05] <Connor> zq ??
[16:45:12] <zq> " Due to a trademark dispute, after EMC 2.4 the project will be referred to as LinuxCNC - A longer but more descriptive name. "
[16:45:13] <sadara> ahhh, the 7i43 comes in two versions, usb and parallel
[16:45:37] <jdh> comes in small & large fpga alos
[16:45:46] <Connor> za Yea. Thanks the people @ www.emc.com for that..
[16:45:59] <Connor> err. zq I mean.
[16:46:08] <jdh> linuxcnc is a much better name, except for typing it here.
[16:46:22] <Connor> I liked EMC.
[16:46:35] <zq> i grew up with emc < 2.0.0
[16:46:52] <sadara> wtf, emc has been around for decades
[16:46:57] <jdh> I grew up with ... no computers :(
[16:47:17] <Connor> No money to fight the lawyers.. better to just give in I guess..
[16:47:26] <zq> hm, where'd jmkasunich go
[16:47:52] <cradek> Connor: compare a google search for EMC to a search for LinuxCNC and see some of the benefits of the name change
[16:48:30] <Connor> I always searched using EMC2
[16:48:32] <cradek> also, http://www.emc2acne.com/how-emc2-works.html
[16:48:43] <jdh> the worst name I've run across lately is "EtherNet/IP"
[16:49:08] <sadara> lol
[16:49:19] <Connor> EMC2 results in 2nd place..
[16:49:27] <sadara> the servos I have are made by API motion
[16:50:10] <sadara> try searching for that, but I have to admit that "Ethernet/IP" Is the worst one I have seen in a while
[16:50:45] <Connor> jdh: What called EtherNet/IP ?
[16:51:05] <sadara> Connor: google for it, go on, I dare you :)
[16:52:01] <Connor> Oh Good greif.. Ethernet Industrial Protocol.. *boggle*
[16:54:13] <jdh> that's what happens when you let marketing name things
[16:54:57] <sadara> jdg: don't complain -> when engineers name things : BT-0172ERA-R1LN-NNN-02
[16:55:37] <Connor> http://www.wayengineer.com/index.php?main_page=index&cPath=193_190_197
[16:56:00] <Connor> These might be good for Stepper/Servo connectors.. and maybe even spindles too.. up to 15 Amps
[16:56:51] <Connor> http://www.wayengineer.com/index.php?main_page=index&cPath=193_190
[16:57:01] <Connor> They're calling them Aviation Plugs ??
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[17:02:56] <Err> heh, from the designations on that page I assume that they're some standard in the aviation industry
[17:02:59] <Err> (but still a stupid name)
[17:03:26] <jdh> or, they just thought calling them aviation plugs made them seem less cheap'
[17:03:30] <Connor> If you look at some of them.. they're the ones we use that we call CB or XLR...
[17:04:02] <Connor> case in point.. http://www.wayengineer.com/index.php?main_page=index&cPath=193_190_191
[17:04:48] <Connor> They do have a Amp rating on them... 5A @250v
[17:04:56] <archivist> those are cheap CB mic connectors
[17:05:31] <Connor> http://www.wayengineer.com/index.php?main_page=index&cPath=193_190_192
[17:06:36] <Connor> archivist: They work good for Steppers up to 5amps.. Allot of DIY people using them..
[17:08:35] <jdh> someday, I will get around to putting the rest of mine on my panel bulkhead
[17:08:37] <skunkworks> sadara, what are you converting?
[17:10:26] <sadara> skunkworks: Building
[17:11:13] <sadara> a big gantry, 2600x1300x500 mm
[17:11:25] <skunkworks> ah
[17:11:41] <sadara> for foam grinding
[17:12:05] <Connor> grinding ?
[17:13:09] <sadara> A trick to get better surface quality on foam
[17:13:18] <sadara> try it :)
[17:13:34] <Connor> anything like sanding? Sounds like it would be VERY messy..
[17:13:40] <archivist> grinding is not just for steel, used for balsa fishing floats, rubber rollers and all sorts
[17:14:55] <skunkworks> Connor, have you tried milling foam? ;)
[17:15:05] <Connor> It's very messy too. :)
[17:15:30] <skunkworks> :)
[17:15:49] <Connor> sadara: What's the foam for?
[17:16:13] <sadara> Aircraft
[17:16:39] <Connor> Hobby, Drone, Production ?
[17:17:12] Cylly is now known as Loetmichel
[17:17:38] <sadara> UAV, custom production. The craft arn't for sale
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[17:18:11] <Connor> Cool
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[17:49:32] <Loetmichel> re @ home (jetzt stimmts)
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[17:58:15] <Connor> What's a good top end RPM for a 4th axis in lathe mode ?
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[18:01:22] <IchGuckLive> Hi all B)
[18:04:22] <IchGuckLive> Folks how is this insekt called in eng. http://de.wikipedia.org/wiki/Libellen
[18:04:32] <IchGuckLive> i cand find a good translation
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[18:05:05] <Connor> Dragon fly
[18:05:53] <IchGuckLive> Thanks
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[18:10:33] <Connor> IchGuckLive: Why you needing to know about Dragonflies ?
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[18:12:28] <Connor> Also, what is normal.. 4th Axis on left, or right of machine?
[18:14:30] <IchGuckLive> LEFT
[18:14:41] <IchGuckLive> always to the Minus point
[18:15:07] <Connor> yea. Someone was saying in VMC's.. normally on the right due to Tool Changes being on the left..
[18:15:12] <IchGuckLive> Depends on your mashine config
[18:15:23] <IchGuckLive> your X shoudt work plus
[18:15:29] <Connor> Frankly, the right would be more consistent with a Lave.
[18:15:32] <Connor> Lathe.
[18:15:39] <Connor> damn it...
[18:15:49] <Connor> LEFT would be more consistent with a lathe.
[18:15:53] <Connor> I'll get it out in a minute..
[18:16:11] <IchGuckLive> the tool shoudt alqways stay in plus X on A Rotation
[18:16:53] <skunkworks> it doesn't matter which side as long as the rotation is correct
[18:17:47] <Connor> But we all agree that ATC and 4th axis on the same side probably not the best idea.. less room for tool clearance.
[18:20:33] <IchGuckLive> on ATC it is probably better to the other side
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[18:23:46] <archivist> Connor, for me it is about travels and the jobs rather than the "right way"
[18:24:14] <Jymmm> http://shine.yahoo.com/healthy-living/woman-shocked-in-shower-wins--4-million-lawsuit--is-your-shower-safe--192310440.html
[18:30:08] <IchGuckLive> Jymmm: thats THE USA
[18:30:34] <Jymmm> IchGuckLive: and?
[18:30:48] -!- sumpfralle has quit [Ping timeout: 264 seconds]
[18:35:46] <IchGuckLive> in germany she woudt get nothing as it is comen to watch out
[18:36:05] <IchGuckLive> therefor in the usa noone can inshure
[18:36:23] <IchGuckLive> in health system or car ...
[18:37:54] <Vq> IchGuckLive: Construction errors are excempted from the legal system?
[18:38:24] <IchGuckLive> no matter what she got 4mio
[18:42:07] <Vq> A hefty sum to be sure.
[18:42:55] <Vq> There is probably some reasoning to it that is missing in the article.
[18:45:40] <Vq> I recall the story about the woman who got a large sum of money after burning herself on McDonalds coffee, it was even written about in some swedish papers and it was presented in a slightly sensational way.
[18:46:53] <Vq> I understand why it sounds odd to us europeans but when reading about the details in that case it came of as relatively sensible to me.
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[18:48:31] <IchGuckLive> Connor: Dragon fly g-code generated ! http://mechmo.de/dragonfly.png
[18:49:05] <IchGuckLive> Watch my plasma post on heeks M66 P0 L3
[18:51:53] <IchGuckLive> the tail looks to short i think i make it longer got 100x100 sheet
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[19:04:08] <IchGuckLive> china reseves now itas own ubuntu version kylin !!
[19:05:16] <tttobi> Good evening to all! May I provide a minimum example about what goes wrong with my xyuv hotwire cutting machine?
[19:05:43] <IchGuckLive> ah yes
[19:06:36] <IchGuckLive> tttobi: http://www.youtube.com/watch?v=wT_ndXDZ0DU
[19:06:47] <IchGuckLive> im the man with the big foamcutters
[19:07:19] <IchGuckLive> tttobi: where are you from in the world
[19:07:57] <tttobi> That is nice! I came across your work last evening, when I was working on my issues!
[19:08:12] <tttobi> We could meet in my hometown, Bielefeld :)
[19:08:32] <IchGuckLive> so lets go querry and talk german
[19:09:16] <tttobi> okay, I'll try. This is my first IRC since 20+years..
[19:09:43] <IchGuckLive> you shoudt already see my name in red in the downbar someware
[19:09:50] <IchGuckLive> OK
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[19:12:22] <tjtr33> anyone used absolute encoders? i picked this up http://tinyurl.com/b6u4hel
[19:13:27] <tjtr33> the i/f seems to be serial (SD+ SD-) and the motors ac (UVW), have not gotten inside it yet, but got some docs on wiring
[19:15:51] <tjtr33> they're battery backed up, and i'd like to use that info and not home every boot
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[19:58:56] <PCW> I know some Yaskawa drives us battery backed encoders that send serial
[19:58:58] <PCW> absolute at startup and then re-use the signals for normal quadrature when running
[19:59:47] <PCW> knowing the encoder manufacturer might help
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[20:11:43] <andypugh> Those fiendish orientals!
[20:13:28] <tjtr33> PCW, thx, i'll know more when i get it cracked open.
[20:14:22] <PCW> well there are a lot of strange serial protocols used in late 80s and beyond motion controls
[20:14:58] <PCW> Fanuc and Mitsubishi being the more common examples
[20:16:18] <andypugh> Trying to imagine the most tortured serial protocol. I reckon text strings in rot13 with alternating characters encoded in ASCII, EBCDIC and Baudot.
[20:18:26] <tjtr33> well, i'll have to snoop it and see , then manuals i found http://tinyurl.com/bc2pqfc
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[20:18:39] <PCW> well odd number of bits, odd data rates, funny CRCs or checksums, stirred in with absolute lack of protocol documentation
[20:19:05] <tjtr33> sniff/snoop
[20:19:27] <PCW> Yeah if you have the whole thing
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[20:22:09] <Nick001-Shop> Is there any current useful info using a linear scale with a stepper motor?
[20:22:52] <andypugh> If you know what data is in the protocol, then you can change the physical inputs and see what changes. There is probably a CRC at the end to confuse matters, though.
[20:23:10] <PCW> Been done (how exactly depends on linear scale resolution vs stepmotor resolution)
[20:24:38] <Nick001-Shop> 200 step motor and i think 5000 lin per inch scale
[20:24:52] <PCW> typically what is done is the stepgen is run in velocity mode with a PID loop setting the stepgen rate
[20:25:14] <PCW> so it simulates a velocity mode servo system
[20:26:03] <Nick001-Shop> how do i accomplish this? writeup anywhere?
[20:27:24] <Nick001-Shop> I have the stepper running with stepcfg wizard now
[20:28:00] <PCW> There are people in the forum that have done it (and posted hal files)
[20:28:02] <PCW> basically you setup a normal servo system hal file with the only difference
[20:28:03] <PCW> being that the PID output drives the steggen rate instead of a analog output
[20:28:45] <Nick001-Shop> Is there a sample setup anywhere?
[20:29:47] <Nick001-Shop> I've been looking in the forum but haven't found anything really useful yet -
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[20:31:34] <PCW> I know Gabe Willem (sp?) has done this
[20:36:39] <Nick001-Shop> has he posted anything in the forum?
[20:40:07] <PCW> Dont think so, mainly IRC and mailing list
[20:40:39] <tjtr33> 2012 log sez Willen "-!- WillenCMD [WillenCMD!~gabe@99-195-254-164.dyn.centurytel.net] has joined #linuxcnc "
[20:41:18] <tjtr33> someone said he'd done edm with linuxcnc, so i was looking also
[20:43:05] <Nick001-Shop> will parport handle all this or do I need cards?
[20:44:22] <PCW> parport will handle it with normal base thread limited step rate and encoder count rate
[20:44:50] <tjtr33> re Gabe, how'd i ever miss this ? https://plus.google.com/photos/108420335892310746315/albums/5784211124086428513
[20:45:43] <Nick001-Shop> what card would I have to use with a 5i20?
[20:47:57] <tjtr33> re Gabe again: he used an arduino to spin a motor just to snoop on the resolver output :) ( me use hand drill , ugh!)
[20:50:13] <PCW> you dont need anything other then the 5I20 for stepgens and encoders (daughter cards provide 5I20 protection, encoder differential inputs, 5V drive step/dir etc)
[20:51:00] <PCW> Andy is the Arduino resolver guy AFAIK
[20:53:12] <tjtr33> oops yes that was andy did it, appy polly loggys
[20:55:29] <Nick001-Shop> what daughter card do I need - I have a 7i30 but that for servos I assume
[20:57:43] <andypugh> As PCW said, you don't necessarily need _any_ daughter card.
[20:58:20] <andypugh> My mill/lathe stepper machine has the step drives wired direct to the 7i43 board.
[20:59:07] <PCW> you could use the 7I30 encoder inputs, and bare 5I20 pins for the stepgen (or a purpose built daughtercard like a 7I47 or 7I52S)
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[21:07:58] <andypugh> Nick001: These are really useful for connecting to Mesa cards. https://uk.rs-online.com/web/c/?searchTerm=M20+crimp+housing&sra=oss&r=t
[21:08:28] <andypugh> (Don't be fooled by the pictures, they have up to 24 pins)
[21:09:12] <andypugh> You need to get the terminals separately, and need a very small crimping tool, but then you can connect individual signal wires in reconfigurable arrangements.
[21:11:38] <andypugh> See, for example, the pink wires connecting the Arduino to the 5i23 in this picture: https://plus.google.com/photos/108164504656404380542/albums/5747722155741347649/5751794123114825714?banner=pwa
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[21:23:34] <Connor> andypugh: What are those thin connector blocks on the DIN rail ?
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[21:24:49] <jdh> looks like ganged terminal strips
[21:24:53] <Nick001-Shop> waiting for pics to load up
[21:25:29] <jdh> the top right ones anyway
[21:25:48] <Connor> What's the big black thing on the bottom next to the to tan ones ?
[21:26:01] <jdh> safety relay?
[21:28:16] <Connor> Are they feed through.. or a bus bar ?
[21:28:48] <jdh> there are center holes so you can run a bus through them for power distribution/etc
[21:29:15] <jdh> teh top ones have the connectors for each section, the bottom ones are individual
[21:29:51] <jdh> I have some 3 level ones in my mill, bottom is gnd, middle is +V, top is signal
[21:30:08] <Connor> Yea.. I didn't use anything like that..
[21:30:27] <jdh> I scrounged mine from trash
[21:30:55] <Connor> I just used cheap terminal barrier strips with a bridge clip.
[21:30:56] <jdh> the little single height ones are pretty cheap, $0.50/each or less
[21:31:27] <Jymmm> Gawd, viewing images on google plus is fucking annoying
[21:31:48] <Connor> the 2 and 3 tier would be good for single and 3 phase power distro,,,
[21:32:23] <jdh> I've only used them for DC
[21:33:38] <tjtr33> andypugh, i think that pic shows a 7i76 and the 'field i/o' is used. how does that work? thru serial? the pink cat cable?
[21:33:48] <Connor> I see the blocks all over.. where are the strips that links them together ?
[21:34:05] <jdh> those are in the center
[21:34:16] <jdh> some use comb looking strips
[21:34:31] <Connor> yea.. but, they don't come with the strips...
[21:34:36] <jdh> nope
[21:34:45] <jdh> gotta buy those also
[21:34:48] <Connor> where do you get those, or what are they called ?
[21:35:16] <jdh> you have to get ones that match the terminal strip. They are usually vendor specific
[21:35:21] <jdh> mine are all weidmuller
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[21:37:00] <Connor> Stuff isn't very compact.. is it..
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[21:37:23] <jdh> there are different sizes
[21:37:32] <jdh> compact ones are hard to work on
[21:37:50] <jdh> http://www.ebay.com/itm/300877466212
[21:38:28] <jdh> those are doubles... these are $0.25/each 400439530879
[21:39:33] <Connor> yea can get ones with fuses too.. cool.. still not found the strips...
[21:40:43] <tjtr33> the terminal strip jumpers (combs) http://tinyurl.com/bdf57os
[21:41:20] <tjtr33> get the ones for your mfctr and your current
[21:41:32] <tjtr33> clip 'em to length
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[21:44:55] <jdh> http://www.ebay.com/itm/290844889583 mine look mostly like those
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[21:56:29] <tjtr33> jdh that style is new to me, proves you need the ones from your tstrip mfctr
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[22:02:42] <DJ9DJ> gn8
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[22:05:53] <andypugh> jdh: Yes, those are the ones. They leave you with terminals both sides, unlike the comb style
[22:06:56] <andypugh> tjtr33: No 7i76. There is a 7i64, 7i44 and 7i39 in that picture.
[22:07:43] <tjtr33> does tht use 'field i/o' ? and does 'field i/o need serial?
[22:07:53] <andypugh> 5i23-ribbon-7i44-CAT5-7i64
[22:08:10] <tjtr33> thanks
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[22:08:28] <andypugh> 7i44 is an array of 25 isolated switches, and 24 isolated inputs.
[22:08:37] <andypugh> Sorry, 7i64 is that.
[22:09:43] <andypugh> So, the bottom left half of the 7i64 is wired yellow (12V) outputs, and the right half is orange (24V) outputs.
[22:10:08] <andypugh> You can mix and match voltages and voltage references with the 7i64, and it handles 48V.
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[22:12:26] <tjtr33> i had looked at the 6i25 and 7i76 combo, but couldnt resolve 17 pins from 6i25 to the 48 field i/o unless some mux-ing or other control source like serial
[22:13:06] <andypugh> Yes, smart-serial.
[22:14:05] <tjtr33> thanks, where to readup on that?
[22:14:56] <tjtr33> i'll check on the mesa site, i just didnt connect :|
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[22:15:55] <andypugh> It's in the back of each card manual, for example: http://www.google.co.uk/url?sa=t&rct=j&q=7i73man&source=web&cd=1&cad=rja&ved=0CDIQFjAA&url=http%3A%2F%2Fwww.mesanet.com%2Fpdf%2Fparallel%2F7i73man.pdf&ei=_NdMUcC4J4PU0QW5tYHQAg&usg=AFQjCNFLy2Q2g3F0FhJF6WPceUI2UZwjCg&bvm=bv.44158598,d.d2k
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[22:16:18] <andypugh> Sorry, bad url. http://www.mesanet.com/pdf/parallel/7i73man.pdf
[22:19:15] <tjtr33> okay, it appears as a port to read/written , kinda parport inbyte/outbyte like
[22:19:27] <tjtr33> thanks that looks really useful
[22:21:58] <PCW> Thats the theory, the firmware is supposed to hide a lot of details so the driver just has a relatively simple register level interface
[22:24:28] <tjtr33> so if i git this right, the field i/o connectors of the 7i76 are not used from the 6i25?
[22:25:05] <PCW> Yes they are
[22:26:29] <tjtr33> how do you get 48 i/o+ out of 17 control pins? i'm just not following
[22:27:12] <JT-Shop> what does the nml file do?
[22:28:55] <JT-Shop> sserial
[22:29:45] <tjtr33> the serial is provided thru the 6i25?
[22:30:22] <tjtr33> i mean thru the pci bus?
[22:30:30] <PCW> yes
[22:30:51] <tjtr33> ok makwes sense, sorry for being dense :)
[22:31:24] <PCW> with a 7I76x2 config there are 4 sserial channels in the firmware 2 for each 7I76
[22:32:06] <PCW> each 7I76 has a local sserial used for field I/O and an expansion sserial for whatever
[22:34:04] <tjtr33> sounds like super cheap loads of i/o points
[22:35:11] <PCW> Yes it allows using cheap PICs or other micros for remote realtime I/O
[22:36:25] <tjtr33> didnt think of that, i was speaking of the 48, but that makes it a real hub
[22:38:33] <PCW> Currently its limited to 96 bits in /96 bits out per remote and 32 remotes max
[22:39:20] <tjtr33> haha 'limited'
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[22:41:42] <PCW> we just made some changes to allow the internal processor to run at its own speed (rather than the bus speed)
[22:41:43] <PCW> so we can probably increase the data per channel at some point
[22:43:31] <PCW> This also means running the remotes at 10 Mbaud (instead of the current 2.5 Mbaud)
[22:50:02] <andypugh> If you want more than 3072 IO pins you need a second PCI slot :-)
[22:50:10] <tjtr33> :) when you answer it always brings up huge new ideas... like theres a processor in the fpga!... and its programmble, and imagine what a remote is in this context...and 4x the data rate? at least 300 i/o points per xfer
[22:50:21] <tjtr33> so i can never keep up !
[22:50:45] <tjtr33> :)
[22:52:12] <PCW> I recommend you DO NOT look at the source code for the sserial processor as it will cause brain damage
[22:52:44] <tjtr33> rofl really rofl
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[22:56:49] <andypugh> The LinuxCNC side of the transaction isn't too bad, it even has some comments.
[22:57:22] <andypugh> But it is all a bit clever because the cards tell LinuxCNC what pins they have, and what to call them.
[22:58:07] <tjtr33> nononono i wont look! (the ravenous bugblatter beast of trall )
[22:58:57] <andypugh> Have you ever played the tex adventure game of HHGTTG?
[22:59:08] <andypugh> Ooh it's evil.
[22:59:47] <tjtr33> wow, no, is it os? no again, i'm so far behind i NEED time travel
[23:00:45] <andypugh> "doors lead north, east and west" "go south" "you can't go south" "go south" "no, really, you can't go south, there is no door" "go south" "Oh, _that_ south. You go south. You are in the engine room of the Heart of Gold"
[23:01:42] <andypugh> It was written for the Infocom Interpreter by Douglas Adams himself, so it's like any classic adventure game, but written to be far harder than normal, and wierder.
[23:02:57] <andypugh> Here it is, in postmodern Java http://www.douglasadams.com/creations/infocomjava.html
[23:03:35] <tjtr33> arrrgh! my fear sensitve sunglass just went off mid tapping #4's
[23:03:52] <andypugh> Then when you get bored of that, you can play MattMatt's games from the same era, and then mine :-)
[23:04:12] <tjtr33> no tea!
[23:04:29] <tjtr33> stop stop stop stop
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[23:10:19] <jdh> HHGTTH was the first adv game I ever played
[23:11:32] <jdh> I need to make a 46mm pin spanner
[23:14:29] <andypugh> jdh: Save time next time, make an adjustable one.
[23:15:06] <jdh> I've only ever needed the one size
[23:15:15] <andypugh> http://www.tormach.com/store/index.php?app=ecom&ns=prodshow&ref=31118
[23:15:36] <jdh> oh, wrong direction
[23:15:40] <jdh> hook spanner? with a pin
[23:15:58] <andypugh> Ah, I filed a spare hook spanner round :-)
[23:17:21] <andypugh> Who was talking about corks yesterday? http://www.tormach.com/store/index.php?app=ecom&ns=prodshow&ref=33112
[23:17:28] <jdh> I bought one, specifically for this brand of regulator. It is almost completely worthless
[23:17:38] <jdh> http://www.scubatools.com/images/Product/large/537.jpg
[23:18:03] <andypugh> I see no pin
[23:18:05] <jdh> it neds to wrap around another 45ish degrees
[23:18:10] <jdh> has different pin sizes
[23:18:26] <jdh> but, when you apply force , it just lifts teh pin out
[23:18:50] <jdh> (of the hole)
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[23:20:09] <andypugh> Buy cheap: http://www.belmontdepot.com/images/STANLEY%20VISE%20GRIP%20LONG%20NOSE.jpg then drill-weld pins into the jaws.
[23:21:00] <andypugh> I have a set of similar ones with strips of steel and an angle at the end for holding motorbike clutch baskets
[23:21:01] <jdh> the part is made of brass, that would destroy it
[23:21:57] <andypugh> No, you misunderstand. Buy the tool, destroy the tool by adding pins, make something that can _never_ slip put of the regulator pin-holes.
[23:22:20] <andypugh> Polish the jaws smooth if you want
[23:23:13] <jdh> I was really thinking of one that completely enclosed it, with a slit for tightening
[23:23:28] <andypugh> I made one of these by welding stuff to cheap mole-grips: http://shop.1stmx.co.uk/ekmps/shops/andyhutch/images/clutch-holding-tool-260-p.jpg
[23:24:40] <andypugh> The Mole/Vise grips already have exactly the right mechanism, and cost peanuts.
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[23:28:16] * pfred1 has come to gloat: http://i.imgur.com/OjNG078.png
[23:28:36] <Tom_itx> gloating allowed on friday only
[23:30:18] <pfred1> I finally got LinuxCNC to work on this PC
[23:30:52] <pfred1> axis opens up and everything
[23:31:14] <andypugh> pcw_home: I am trying to tell someone how to count motor poles on the forum, and I can't actually recall if a 2-pole is one detente per rev or two (at constant excitation)
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[23:38:23] <pfred1> has anyone else noticed that something about RTAI breaks tload?
[23:39:44] <andypugh> exit
[23:39:52] <pfred1> stage right
[23:40:10] <andypugh> Ah, this isn't the halrun window?
[23:40:28] <andypugh> loadrt matrix_kb
[23:40:30] <pfred1> I just saw Hal running that a way and he was laughing!
[23:40:33] <andypugh> No, definitely not.
[23:41:48] <pfred1> well this machine doesn't like GL but it runs it
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[23:47:42] <PCW> andy 2 pole is 1 detent
[23:47:50] -!- tttobi has quit [Quit: Page closed]
[23:48:56] <PCW> and rare 4, 6 and 8 poles are much more common
[23:49:35] <andypugh> http://en.wikipedia.org/wiki/File:Refuelling.plan.black.buck.svg Is amazing. How you use 17 aircraft to get one aircraft from Ascencion to Port stanley and back again.
[23:51:39] <r00t4rd3d> i bought an mp3 today
[23:51:45] <r00t4rd3d> first time ever :/
[23:52:19] <r00t4rd3d> but only cause i got a $1 credit on amazon :)
[23:52:20] <pfred1> r00t4rd3d lay off the booze
[23:52:48] <r00t4rd3d> if you install one of the apps from the amazon app store today they give you a free $1
[23:52:53] <r00t4rd3d> its their birthday
[23:53:48] <r00t4rd3d> http://www.amazon.com/s/ref=amb_link_373311262_2?ie=UTF8&hidden-keywords=B007T9WVKM|B009EEFTMC|B004YXE438|B007BFSYMS|B004L07KWQ|B008L1DNGI|B006C1DH92|B0066T0BTO|B006OOHYIC|B005MKC9SE|B004XJHBCE|B008HSOT18|B004GYVYV0|B006R8GK2Q|B004SC3BLG|B0062U4HP6|B006SMLAMQ|B009NVH1CC&rh=i%3Amobile-apps%2Cn%3A2350149011&pf_rd_m=ATVPDKIKX0DER&pf_rd_s=right-2&pf_rd_r=16X2NJJBGPQ3SDBSN5F8&pf_rd_t=1401&pf_rd_p=1519671702&pf_rd_i=1000620471
[23:53:56] <pfred1> tinyurl!
[23:55:07] <r00t4rd3d> deal with it and get a free $1
[23:55:13] <r00t4rd3d> plus a free app
[23:55:18] <r00t4rd3d> weather+ hd is good
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[23:55:43] <pfred1> all my apps are free
[23:55:48] <r00t4rd3d> pirate
[23:55:58] <pfred1> no GNU
[23:56:04] <r00t4rd3d> no you!
[23:56:24] <pfred1> synaptic
[23:57:07] <r00t4rd3d> do you run ubuntu all the time?
[23:57:15] <pfred1> I run Debian
[23:57:39] <pfred1> I spent the last week running from Ubuntu figuratively
[23:57:59] <pfred1> glad i did too
[23:58:14] <r00t4rd3d> remind you how much it sucks
[23:59:09] <pfred1> I don't know I didn't actually install the LinuxCNC image onto this box but live it didn't run as good as what I have now