[Emc-users] Any LCNC users in West Idaho or East Oregon?

2014-03-01 Thread Gregg Eshelman
I'm going to be moving my mill to the location in my shop where it will be used. I have the stepper motors installed, still need to get the proper hardware to interface with the two linear scales on the table and the rotary encoder on the Z axis. Is there anyone within hailing distance of Weise

Re: [Emc-users] Printrboard and LinuxCNC

2014-03-01 Thread Dave Cole
I've had a number of problems when plugging into industrial devices that have a USB interface. The lack of isolation is oftentimes a problem. Othertimes my laptop will confuse the industrial device with another common USB device like a stick drive, even if the driver for the industrial device

Re: [Emc-users] Little OT, but...

2014-03-01 Thread Michael Haberler
Am 02.03.2014 um 00:40 schrieb Sven Wesley : > 2014-03-01 21:04 GMT+01:00 Michael Haberler : > >> >> Am 01.03.2014 um 18:19 schrieb W. Martinjak : >> >>> It seems the thrill of joy has gone ;) >> >> not for me - in fact I think it as reassuring to see we to converge on the >> same concept

Re: [Emc-users] Little OT, but...

2014-03-01 Thread Sven Wesley
2014-03-01 21:04 GMT+01:00 Michael Haberler : > > Am 01.03.2014 um 18:19 schrieb W. Martinjak : > > > It seems the thrill of joy has gone ;) > > not for me - in fact I think it as reassuring to see we to converge on the > same concept: Web UI interaction will happen over Websockets, and with J

Re: [Emc-users] Printrboard and LinuxCNC

2014-03-01 Thread Steve Blackmore
On Sat, 01 Mar 2014 18:15:29 +0100, you wrote: >When I've learned something about hardware interfaces and reliability in the >past two or three years then it is to stay as far away from USB as possible >whenever something else than a classical HID (Mouse, keyboard, flash drive, >etc.) should b

Re: [Emc-users] Printrboard and LinuxCNC

2014-03-01 Thread Steve Blackmore
On Sat, 01 Mar 2014 11:38:38 -0500, you wrote: >What control are you running your router with? It is not LinuxCNC or >Mach3, correct? >Are you happy with it? Using an EdingCNC CPU5B, it works very well - on USB or ethernet ;) Steve Blackmore -- --

Re: [Emc-users] The geminicontrols motor driver vs the LinuxCNC pwmgen

2014-03-01 Thread Gene Heskett
On Saturday 01 March 2014 16:18:00 Jon Elson did opine: > On 02/28/2014 11:06 PM, Gene Heskett wrote: > > Humm, and its switching speed FFR? > > Oh, it is plenty slow. But, probably can do 4 us with a > decent load on > it. The optos in my servo amps have to be a LOT faster, but > this > is exp

Re: [Emc-users] Little OT, but...

2014-03-01 Thread Michael Haberler
Am 01.03.2014 um 18:19 schrieb W. Martinjak : > It seems the thrill of joy has gone ;) not for me - in fact I think it as reassuring to see we to converge on the same concept: Web UI interaction will happen over Websockets, and with JSON objects mapped to internal representation at the bou

Re: [Emc-users] The geminicontrols motor driver vs the LinuxCNC pwmgen

2014-03-01 Thread Jon Elson
On 02/28/2014 11:06 PM, Gene Heskett wrote: > > Humm, and its switching speed FFR? Oh, it is plenty slow. But, probably can do 4 us with a decent load on it. The optos in my servo amps have to be a LOT faster, but this is expected to be used for auxiliary control only, so slow is usually OK.

Re: [Emc-users] Little OT, but...

2014-03-01 Thread W. Martinjak
It seems the thrill of joy has gone ;) On 2014-02-25 19:32, Sven Wesley wrote: > It would be pretty awesome to read the DRO data from LinuxCNC... :) > > > 2014-02-25 15:27 GMT+01:00 Mark Wendt : > >> Yeah, I thought it was a pretty slick little idea. >> >> Mark >> >> On Tue, Feb 25, 2014 at 9

Re: [Emc-users] Printrboard and LinuxCNC

2014-03-01 Thread Philipp Burch
Hi all! - Original message - > On Fri, 28 Feb 2014 10:47:45 -0500, you wrote: > > > The original Smooth Stepper also suffered from USB issues which seemed > > to be related to grounding or isolation issues?? > > It had a design problem on the board with a built in ground loop. It > caus

Re: [Emc-users] Printrboard and LinuxCNC

2014-03-01 Thread Dave Cole
On 3/1/2014 4:52 AM, Steve Blackmore wrote: > On Fri, 28 Feb 2014 16:31:43 -0800, you wrote: > >> On 02/28/2014 04:10 PM, Steve Blackmore wrote: >> ... snip >>> There is virtually no limits to program lengths since tape died so >>> writing subs isn't necessary to save space and serves no other purp

Re: [Emc-users] Printrboard and LinuxCNC

2014-03-01 Thread Dave Cole
On 2/28/2014 7:20 PM, Steve Blackmore wrote: > On Fri, 28 Feb 2014 10:47:45 -0500, you wrote: > >> The original Smooth Stepper also suffered from USB issues which seemed >> to be related to grounding or isolation issues?? > It had a design problem on the board with a built in ground loop. It > caus

Re: [Emc-users] Printrboard and LinuxCNC

2014-03-01 Thread Dave Cole
On 2/28/2014 12:24 PM, Eric Keller wrote: > On Fri, Feb 28, 2014 at 11:41 AM, andy pugh wrote: >> I could be persuaded to have some sympathy for this viewpoint, actually. >> If G-code simply moved axes in absolute machine space and everything else >> was done in the pre-processor then thing woul

Re: [Emc-users] The geminicontrols motor driver vs the LinuxCNC pwmgen

2014-03-01 Thread Gene Heskett
On Saturday 01 March 2014 09:58:18 andy pugh did opine: > On 1 March 2014 05:06, Gene Heskett wrote: > > Certainly no use going much faster > > when its increments are in SERVO_THREAD units. At 2khz, 120hz rep > > rate, the steps, before dither are about 6%. > > make_pulses is in the base threa

Re: [Emc-users] The geminicontrols motor driver vs the LinuxCNC pwmgen

2014-03-01 Thread andy pugh
On 1 March 2014 05:06, Gene Heskett wrote: > Certainly no use going much faster > when its increments are in SERVO_THREAD units. At 2khz, 120hz rep rate, > the steps, before dither are about 6%. make_pulses is in the base thread, so your steps should be a lot smaller than 6%. -- atp If you can

Re: [Emc-users] Printrboard and LinuxCNC

2014-03-01 Thread Steve Blackmore
On Fri, 28 Feb 2014 16:31:43 -0800, you wrote: >On 02/28/2014 04:10 PM, Steve Blackmore wrote: >... snip >> There is virtually no limits to program lengths since tape died so >> writing subs isn't necessary to save space and serves no other purpose >> other than living in the 80's (or earlier :) >