#linuxcnc | Logs for 2020-01-19
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[12:43:49] <nvz> so.. can I use pins that would normally be used for axis pul/dir for enable?
[12:44:03] <cpresser> yes
[12:44:12] <Tom_L> are you using a mesa card?
[12:44:25] <Tom_L> you might have to tweak the bit file if so
[12:47:11] <nvz> no, its a parport card, has 8 pins designated for axis but seems they're only pulse/dir
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[13:15:41] <gloops> does the breakout board look like this? https://i.ytimg.com
[13:23:54] <nvz> https://www.automationtechnologiesinc.com
[13:24:03] <nvz> is the page I could find the most details on it
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[13:24:57] <gloops> what are you trying to do with it nvz?
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[13:25:38] <nvz> trying to hook up my machine.. :P
[13:25:56] <nvz> but it has no "enable" connections that I can see
[13:26:00] <nvz> and those seem important
[13:26:33] <nvz> https://i.imgur.com
[13:26:38] <gloops> http://i00.i.aliimg.com
[13:26:39] <nvz> is what I got sitting here right now..
[13:26:45] <gloops> details on that pic
[13:27:01] <gloops> enable..what?
[13:27:06] <nvz> the ENABLE
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[13:27:19] <nvz> as in the pins that hold the stepper in place
[13:27:35] <nvz> there are only enough pins here for 4 motors to have two wires each
[13:27:41] <nvz> the stepper wants 6\
[13:27:43] <nvz> each
[13:27:49] <nvz> the stepper controller that is
[13:28:14] <nvz> I'm gonna have two of the controllers on the same signals, and just swap the coil outputs
[13:28:20] <gloops> right..some pins probably have dual function
[13:28:29] <gloops> it should be marked on the board
[13:28:34] <nvz> its not :P
[13:28:48] <nvz> they're just numbered and there is no further documentation than I found on that site
[13:28:51] <gloops> not in the very small white writing
[13:29:21] <nvz> I'm sure it says more than p9, p8, etc.. if you read chinese
[13:29:29] <nvz> but idk cause I dont..
[13:29:32] <gloops> the stepper wants 6 wires each?
[13:29:45] <gloops> so you have 6 wire steppers ?
[13:29:46] <nvz> the motor controller sure..
[13:29:55] <nvz> no they're 4 wire motors
[13:30:00] <gloops> the stepper motor wires to the driver
[13:30:15] <nvz> I know
[13:30:18] <gloops> right
[13:30:22] <nvz> the point is the driver has a signal side
[13:30:24] <nvz> that has 6 pins
[13:30:44] <nvz> see the picture
[13:30:55] <nvz> https://i.imgur.com
[13:31:46] <gloops> yeah you only need to wires to the breakout board
[13:31:50] <gloops> two
[13:32:06] <nvz> current thought I'm working with like this.. is to have the red/yellow (dir/pulse) wired for x/z and the two unused thus far will be for both the cloned Y axis
[13:32:11] <gloops> power comes from the psu
[13:32:13] <nvz> the blue wires will be for the enable
[13:32:52] <gloops> probably wont need enable connected
[13:32:54] <nvz> I'm not even to the power side of things yet.. that part I get
[13:33:12] <nvz> well thats my problem.. I dont see anywhere TO hook it here
[13:33:26] <nvz> which is why I was gonna try use some of these other pins like the 4th access pins for that
[13:33:32] <gloops> i think enable just needs 5v to it
[13:33:36] <nvz> 4th axis
[13:33:49] <nvz> all the time?
[13:33:53] <gloops> not much point putting it to a signal pin
[13:34:05] <gloops> i think so yeah, ive never connected them
[13:34:07] <nvz> its not a signal linuxcnc sends then?
[13:34:30] <nvz> idk shit about it.. all I know is its for some kinda electronic break thing to hold the motor in place
[13:34:32] <gloops> lemme see its been ages since i wired these up
[13:34:40] <nvz> which sounds like its important
[13:34:50] <gloops> it wont affect the operation of the motor
[13:35:25] <gloops> i think you can make it part of an emergency stop
[13:35:38] <nvz> estop is an INPUT
[13:36:17] <gloops> if you break the 5v to it
[13:37:10] <nvz> I can get 5v if thats all it needs is a constant 5v on all them.. I just thought it had to have a pin for it.. cause some of the other boards have more pins for each motor
[13:37:11] <gloops> but i never wired any drivers enable up, linuxcnc estop works fine still
[13:37:19] <nvz> and my controllers have 6 pins
[13:37:22] <nvz> for signal
[13:37:47] <gloops> lemme have a quick look at mine thats running
[13:37:55] <nvz> but that also seems pointless.. seems like it only needs 3 the other should all be wired to 5VDC+ or 5VDC-
[13:40:42] <gloops> no none of my enable pins on the driver are wired
[13:45:15] <nvz> hmm well I'll try it without em for now I guess and see what happens
[13:45:16] <nvz> :P
[13:45:45] <gloops> https://www.makerguides.com
[13:46:45] <gloops> you can find these kind of diagrams on the net to work it out, they are all much of a muchness
[13:48:09] <gloops> https://i.ytimg.com
[13:48:44] <gloops> that one has enable wired, but im pretty sure that is going to a dual purpose pin
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[14:20:46] <burklefoo> I think most enable signals on step drives turn off the current so the motors will just have residual torque (and lose position)
[14:21:24] <burklefoo> It might make some sense to wire them to LinuxCNCs machine-on signal
[14:23:14] <gloops> so if you estop with linuxcnc, your motors wont hold
[14:25:04] <gloops> which..if the z is bending against a clamp might not be a bad thing
[14:26:42] <gloops> with smaller stepper motors on a router, apart from breaking tools, there isnt that much damage the machine can do to itself - the motors will just lose steps if something solid is hit
[14:28:47] <burklefoo> Yes the enable is a safety issue for servos, for step motors its a mixed bag
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[16:10:57] <nvz> http://nvz.farted.net pics so far..
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[16:43:49] <JesusAlos> hi
[16:51:59] <gloops> tidy work nvz
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[17:16:10] <Deejay> gn8
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[17:44:39] <Elmo40> nvz, only 12V?
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[17:56:15] <_unreal_> Elmo40, 36v from what I saw
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[18:36:06] <jthornton> long day over with... time to relax
[18:40:28] <XXCoder> yay
[18:41:53] <jthornton> going back to Cuba tomorrow, got half my shop packed in the van lol
[18:43:07] <Tom_L> heh
[18:43:20] <Tom_L> loading for a job can take more than the actual job sometimes
[18:43:49] <XXCoder> doctor who might help you ;)
[18:44:13] <jthornton> yea, trying to not forget some tool you need... 2 1/2 hour drive each way and usually a 2 hour visit
[18:44:17] <XXCoder> man if we had that ability everyone would be able to have big shop and huge home
[18:45:41] <jthornton> what ability?
[18:45:58] <XXCoder> make inside bigger than outside heh (reference to doctor who)
[18:46:20] <jthornton> ah yea, I've never watched dr who
[18:47:55] <Jymmm> jthornton: My rule of thumb, is that you should visit at least as long as the round trip take in hours.
[18:48:21] <jthornton> that makes no sense at all
[18:48:54] <Jymmm> If you have to drive round trip for 4 hours (2 hours each direction), then at least visit for 4+ hours
[18:49:05] <Tom_L> ur nuts
[18:49:27] <jthornton> that's what I'm thinking lol
[18:50:00] <Jymmm> Basically, make the drive worth while
[18:50:07] <jthornton> I get my job done and head to the barn
[18:50:23] <Tom_L> Jymmm, you make the drive worth while in cash not time spent
[18:50:30] <jthornton> the drive is worth while, I make $3,600
[18:50:40] <Jymmm> fair enough
[18:50:58] <jthornton> even if I spend 15 minutes installing the poka-yoke
[18:52:15] <XXCoder> jt why not make special repair van that have everything
[18:52:21] <XXCoder> that way you dont have to load unload
[18:52:37] <XXCoder> need to secure your van though when not being used
[18:52:40] <jthornton> it's the tools I use in the shop, no reason to have more
[18:52:55] <Tom_L> well....
[18:52:58] <Tom_L> sure there is
[18:53:08] <Tom_L> he who dies with the most tools wins!
[18:53:14] <XXCoder> cut your moving hours by half or more
[18:53:26] <jthornton> I have two of everything now lol
[18:53:40] <XXCoder> maybe more expensive stuff you move into van and out, but cheaper stuff just have van stuff and shop stuff
[18:54:54] <jthornton> the van is my daily driver and I haul my bicycles when I go riding so it's multi purpose... it also hauls the over the hill motorcycle gang to places of interest
[18:55:06] <jthornton> and besides it was free... I stole it
[18:55:21] <XXCoder> how often do you need to bring tools and stuff to work at remote places?
[18:55:30] <jthornton> not very often
[18:55:38] <XXCoder> hmm yeah
[18:55:45] <XXCoder> not really worth it I guess
[18:55:47] <jdh> we could round up any tool you might need unless it was something really oddball
[18:55:51] <jthornton> I just happen to have these two back to back
[18:56:19] <jthornton> yea if I forget something they usually have one somewhere
[18:56:23] <Tom_L> i'd have a word with my scheduler...
[18:57:03] <jthornton> my scheduler says spend as much time as you like working on chicken projects...
[18:57:27] <Tom_L> is the new chicken home automated?
[18:58:01] <jthornton> automated and has a stereo
[18:58:03] <_unreal_> nvz, if I could suggest anything. the computer does it have a regular harddrive or an SSD?
[18:58:33] <_unreal_> if it has a regular harddrive I'd suggust mounting the computer on padding. if SSD. not an issue
[18:59:32] <jthornton> <roguish[m]> Techno Chichen https://www.youtube.com
[18:59:40] <jthornton> that's what roguish[m] suggested
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[19:01:12] <skunkworks> http://electronicsam.com
[19:01:15] <skunkworks> close
[19:01:47] <jthornton> you get all the bugs out?
[19:04:07] <skunkworks> I think so.. So far
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[19:05:12] <jthornton> did you do the update to get rid of the heat issue?
[19:07:50] <XXCoder> jt mine come with update already, which is nice. it runs pretty cool
[19:08:19] <XXCoder> skunkworks: is that lcnc pi4 setup?
[19:10:02] <Tom_L> xx it is.
[19:11:05] <XXCoder> nice
[19:11:45] <XXCoder> if I ever have room i was thinking of making rpi4 setup for my cnc router, and other setup for laser engraver that ALSO acts as pc for chatting on irc while running
[19:11:55] <XXCoder> plenty of power for that.
[19:12:47] <Tom_L> how can you make a list of projects you follow in github?
[19:13:03] <_unreal_> skunkworks, I'm rather certain I see a bug on the floor.
[19:13:55] <_unreal_> skunkworks, is that an offical mounting?
[19:14:33] <_unreal_> have any of you guys done stuff with timing belts?
[19:14:40] <Tom_L> yup
[19:14:47] <_unreal_> trying to find a decent source for them $ also trying to find a LAREG timing belt
[19:14:59] <Tom_L> sdp-si dot com
[19:15:04] <Tom_L> mcmaster carr
[19:15:39] <Tom_L> or if you need a huge one go to your local drag car shop
[19:16:14] <jthornton> large in what way
[19:16:20] <Tom_L> sdp-si has a belt calculator too
[19:16:25] <Tom_L> size
[19:16:28] <Tom_L> width
[19:16:31] <Tom_L> hp rating
[19:16:33] <XXCoder> unread my laser engraver uses em heh
[19:17:26] <_unreal_> I need one that is about 66-72" 208xl timing belts fit my pulleys
[19:18:36] <jthornton> you can get it by the foot...
[19:18:48] <Tom_itx> https://sdp-si.com
[19:18:58] <Tom_L> that's the calculator
[19:19:03] <_unreal_> jthornton, I dont need a strip
[19:19:10] <_unreal_> I need a full circle
[19:19:13] <Tom_L> give it your pulley sizes and it will tell you what belt you need
[19:19:23] <Tom_L> and the center distance of course
[19:19:39] <XXCoder> getting right size loop is much harder than strips where you can cut to size unfortunately
[19:19:59] <_unreal_> Thats part of my problem. I need to do it up in cad OR order my idlers
[19:20:24] <_unreal_> I just need an aprox size, I can always take up slack with tensioners
[19:21:16] <Tom_L> ur not listening
[19:21:26] <jthornton> XXCoder, you burn anything yet?
[19:21:37] <XXCoder> yeah bunch stuff
[19:21:54] <XXCoder> picture didnt go out good, found out it was mirrored when I used R letter burn
[19:21:58] <XXCoder> fixed stuff
[19:22:20] <XXCoder> yeserday was more relaxing and today might try cutting but more releaxing
[19:22:52] <_unreal_> Tom_L, that calculator is useless for me, thats based on a belt running around two pulleys
[19:23:14] <_unreal_> I have a large serpentine run.
[19:23:32] <_unreal_> that is going to be aprox 66-72" long
[19:23:53] <_unreal_> I need to ordermy idlers so I can get them into place. then I can run a string over the run
[19:24:17] <Tom_L> use a string to measure it
[19:24:25] <_unreal_> I dont have the idlers yet
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[20:30:40] <_unreal_> shhhh
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[22:46:00] <_unreal_> just how I left you guys
[22:46:04] <_unreal_> silent as can be
[22:46:15] <JesseG> lol
[22:50:04] * Javabean grumbles, wonders why the cicidas had stopped... turns out someone started talking and scared them off
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[23:01:18] <_unreal_> cicidas?
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[23:01:52] <_unreal_> JesseG, do you mean cicada
[23:05:31] <JesseG> Huh?
[23:05:41] <JesseG> oh other J person :P
[23:06:49] <JesseG> _unreal_, cicadas are a kind of large noisy insect in some parts of the world.
[23:11:32] <_unreal_> ve7it, I'm milling the first servo PCB
[23:11:44] <_unreal_> JesseG, I live in south florida
[23:12:11] <_unreal_> JesseG, and yes other j person hehe
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[23:17:28] <_unreal_> ve7it, 1.5hr mill time for this PCB ouch
[23:18:18] <_unreal_> I could start to finish etch it in 30min but that would require a PCB setup with lots of peserved copper.
[23:18:22] <_unreal_> oh well
[23:18:29] <_unreal_> away I mill
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