Re: [Emc-users] [OT] CadSoft releases Eagle V6 to beta testing

2011-11-07 Thread Yi-Shin Li
On Mon, Nov 7, 2011 at 2:50 PM, Belli Button be...@iafrica.com wrote: Funny thing though, if there is a package available that could show my Gerber plot on the PC, I would like to see it. Hi Belli, You may try gerbv (for ubuntu). gerbv - Gerber file viewer for PCB design Yishin -- ARAIS

Re: [Emc-users] Remote access of EMC2 via cell phone data service

2011-09-18 Thread Yi-Shin Li
You may consider teamviewer for remote accessing EMC2 machines. It's similar to VNC. Just, you don't have to take care of DNS and SSH forwarding... etc. teamviewer: http://www.teamviewer.com/en/index.aspx Yishin -- ARAIS ROBOT TECHNOLOGY www.araisrobo.com

Re: [Emc-users] Question about plasma

2011-05-26 Thread Yi-Shin Li
On Fri, May 27, 2011 at 2:14 AM, Viesturs Lācis viesturs.la...@gmail.comwrote: I have to propose a solution to control a plasma table that has THC-300. I have been searching for some useful information: I found these schematics:

Re: [Emc-users] Modbus TCP/IP response time [orig: EMC2 and Ethernet]

2011-02-16 Thread Yi-Shin Li
On Thu, Feb 17, 2011 at 3:12 AM, Joachim Franek joachim.fra...@pibf.dewrote: Have a look to: http://wiki.linuxcnc.org/emcinfo.pl?FPGA and today I have written http://wiki.linuxcnc.org/emcinfo.pl?ARM Joachim Nice Work !

Re: [Emc-users] Map Network drive

2011-02-16 Thread Yi-Shin Li
On Thu, Feb 17, 2011 at 6:42 AM, Doug d...@archfitters.com wrote: What is the best way to have emc find files on a local network server? It seems only local folders show up in the drop down box. I have mounted on the desktop a linked drive to find but have to do that every time the

[Emc-users] Modbus TCP/IP response time [orig: EMC2 and Ethernet]

2011-02-15 Thread Yi-Shin Li
On Sun, Feb 6, 2011 at 11:04 PM, Ralph Stirling ralph.stirl...@wallawalla.edu wrote: I use a Wiznet hardware TCP/IP module (http://wiznet.co.kr) and a Spartan3 FPGA with a Xilinx PicoBlaze softcore processor to provide the slave end communications. With a Dell GX620 and Ubuntu 10.04 running

Re: [Emc-users] Ethernet with EMC2

2011-02-08 Thread Yi-Shin Li
On Wed, Feb 9, 2011 at 3:03 AM, Viesturs Lācis viesturs.la...@gmail.comwrote: Guys, what do You think about these two? http://www.enclustra.com/en/products/fpga-modules/mars-starter/ http://www.enclustra.com/en/products/fpga-modules/mars-mx1/ They are expensive. -- Yishin

Re: [Emc-users] [VIDEO] PLASMA Cutting with EMC2 and USB based THC/motion interface

2011-02-06 Thread Yi-Shin Li
On Sun, Feb 6, 2011 at 8:09 PM, Viesturs Lācis viesturs.la...@gmail.comwrote: 2011/2/5 Yi-Shin Li y...@araisrobo.com: Our NURBS (G6.2) is different from the original one (G5.2), which is bi-linear/bi-arc implementation. We can do real NURBS interpolation instead of separating a NURBS

Re: [Emc-users] Ethernet with EMC2

2011-02-06 Thread Yi-Shin Li
On Sun, Feb 6, 2011 at 7:42 PM, Viesturs Lācis viesturs.la...@gmail.comwrote: 2011/2/6 Mark Wendt (Contractor) mark.we...@nrl.navy.mil: On 2/6/2011 1:47 AM, Kim Kirwan wrote: Could be our biggest problem is going to be the slave port. Now, we're using a relatively simple and cheap

Re: [Emc-users] [VIDEO] PLASMA Cutting with EMC2 and USB based THC/motion interface

2011-02-05 Thread Yi-Shin Li
On Thu, Feb 3, 2011 at 10:13 PM, sam sokolik sa...@empirescreen.com wrote: Are you using the 7i43 similar to how it is done with the printer port? So emc is doing the motion and trajectory planning and the mesa card is setting step rates and such - just using usb? Basically, Yes. Though, the

Re: [Emc-users] [VIDEO] PLASMA Cutting with EMC2 and USB based THC/motion interface

2011-02-05 Thread Yi-Shin Li
On Thu, Feb 3, 2011 at 9:36 PM, Dave e...@dc9.tzo.com wrote: What USB based Stepper Driver are you using? It is a typical stepper driver with printer port interface. Originally, it is designed for MACH3. . I thought that nurbs was already in the EMC2 code? Our NURBS (G6.2) is different from

Re: [Emc-users] [VIDEO] PLASMA Cutting with EMC2 and USB based THC/motion interface

2011-02-05 Thread Yi-Shin Li
On Fri, Feb 4, 2011 at 2:18 AM, Kirk Wallace kwall...@wallacecompany.comwrote: I'm wondering what the USB/THC loop latency is. It's withing a dynamic range of 5ms to 20ms. -Yishin -- The modern datacenter depends on

Re: [Emc-users] [VIDEO] PLASMA Cutting with EMC2 and USB based THC/motion interface

2011-02-05 Thread Yi-Shin Li
On Fri, Feb 4, 2011 at 2:18 AM, Kirk Wallace kwall...@wallacecompany.comwrote: I'm wondering what the USB/THC loop latency is. Since the USB latency is un-predictable. We moved the servo-loop from PC into a 32-bit RISC inside FPGA. Our servo period is 0.66ms. -Yishin

Re: [Emc-users] [VIDEO] PLASMA Cutting with EMC2 and USB based THC/motion interface

2011-02-05 Thread Yi-Shin Li
On Thu, Feb 3, 2011 at 11:13 PM, Viesturs Lācis viesturs.la...@gmail.comwrote: 2011/2/3 Yi-Shin Li y...@araisrobo.com: On Thu, Feb 3, 2011 at 2:44 PM, John L. Craddock john.cradd...@xitech.com.au wrote: -Original Message- http://www.youtube.com/watch?v=BraEMAu5UkY

Re: [Emc-users] [VIDEO] PLASMA Cutting with EMC2 and USB based THC/motion interface

2011-02-05 Thread Yi-Shin Li
Hello Dave, On Thu, Feb 3, 2011 at 11:19 PM, Dave e...@dc9.tzo.com wrote: Are you able to get a position update back from the 7i43 every servo cycle or are you simply looping the position back inside the driver in the PC, which is probably just as well - after all this is a stepper system.

Re: [Emc-users] [VIDEO] PLASMA Cutting with EMC2 and USB based THC/motion interface

2011-02-03 Thread Yi-Shin Li
On Thu, Feb 3, 2011 at 2:44 PM, John L. Craddock john.cradd...@xitech.com.au wrote: -Original Message- http://www.youtube.com/watch?v=BraEMAu5UkY Video clip for plasma cutting for 6mm mild steel. It's with EMC2, a USB based THC/motion interface, and 3Amp/axis low-cost

Re: [Emc-users] [VIDEO] PLASMA Cutting with EMC2 and USB based THC/motion interface

2011-02-03 Thread Yi-Shin Li
On Thu, Feb 3, 2011 at 5:38 PM, Fox Mulder quakem...@gmx.net wrote: Am 03.02.2011 10:17, schrieb Steve Blackmore: Mmmhh - I find the fact that it's USB based more interesting. http://www.intra2net.com/en/developer/libftdi/index.php And i find it interesting that they doesn't list the

[Emc-users] [VIDEO] PLASMA Cutting with EMC2 and USB based THC/motion interface

2011-02-02 Thread Yi-Shin Li
http://www.youtube.com/watch?v=BraEMAu5UkY Video clip for plasma cutting for 6mm mild steel. It's with EMC2, a USB based THC/motion interface, and 3Amp/axis low-cost micro-stepping drivers. The Plasma Cutter is HYPERTHERM PowerMax 45 with machine interface. The EMC2 is patched with NURBS motion

Re: [Emc-users] homing problem

2011-01-03 Thread Yi-Shin Li
You may toggle the polarity of SCALE for changing direction. You may also toggle the polarity of HOME_SEARCH_VEL, HOME_LATCH_VEL for homing direction. -ysli On Tue, Jan 4, 2011 at 9:03 AM, kqt4a...@comcast.net wrote: I used stepconf to setup my Fireball V90 The only hitch was to invert the x

Re: [Emc-users] Beginner question about cable lengths

2010-09-16 Thread Yi-Shin Li
On Thu, Sep 16, 2010 at 1:55 PM, Viesturs Lācis viesturs.la...@gmail.comwrote: 2010/9/16 Yi-Shin Li y...@araisrobo.com: On Tue, Sep 14, 2010 at 8:20 PM, Kai Schaeffer k...@schaeffer-ag.de wrote: Attached 2 video links for SCARA Robot controlled by EMC2 through USB interface: http

Re: [Emc-users] Beginner question about cable lengths

2010-09-16 Thread Yi-Shin Li
On Thu, Sep 16, 2010 at 4:47 PM, Alex Joni alex.j...@robcon.ro wrote: Attached 2 video links for SCARA Robot controlled by EMC2 through USB interface: http://www.youtube.com/watch?v=EwfhjVV7D7Q http://www.youtube.com/watch?v=5LS9GxZN6s4 Both are with MESA-7i43 (USB/FPGA) and Servo

Re: [Emc-users] Beginner question about cable lengths

2010-09-16 Thread Yi-Shin Li
On Fri, Sep 17, 2010 at 12:04 AM, Andy Pugh a...@andypugh.fsnet.co.ukwrote: On 16 September 2010 05:49, Yi-Shin Li y...@araisrobo.com wrote: Attached 2 video links for SCARA Robot controlled by EMC2 through USB interface: Did you write your own driver to do this? As far as I know

Re: [Emc-users] Beginner question about cable lengths

2010-09-16 Thread Yi-Shin Li
On Thu, Sep 16, 2010 at 11:47 PM, Kai Schaeffer k...@schaeffer-ag.de wrote: Both are with MESA-7i43 (USB/FPGA) and Servo Drivers. The usb cable length could be 1.8m (verified with EMI NOISE testing). Regarding the USB specification the cable length could be 5m. Have you tried a longer

Re: [Emc-users] Beginner question about cable lengths

2010-09-16 Thread Yi-Shin Li
On Fri, Sep 17, 2010 at 12:50 AM, Yi-Shin Li y...@araisrobo.com wrote: On Thu, Sep 16, 2010 at 4:47 PM, Alex Joni alex.j...@robcon.ro wrote: Attached 2 video links for SCARA Robot controlled by EMC2 through USB interface: http://www.youtube.com/watch?v=EwfhjVV7D7Q http

Re: [Emc-users] Beginner question about cable lengths

2010-09-15 Thread Yi-Shin Li
On Tue, Sep 14, 2010 at 8:20 PM, Kai Schaeffer k...@schaeffer-ag.de wrote: Just a thought I had: wouldn't it be a good idea to bring the H-bridge close to the motors? Then you need a different link between the I/O card and H-bridge. The 7i43 supports the USB port, but there I see some

Re: [Emc-users] home/limit question

2010-01-26 Thread Yi-Shin Li
On Tue, Jan 26, 2010 at 12:08 PM, Dustin Monroe monroe.dus...@gmail.comwrote: Ok I got the z to recognize the limit switch as home but now I am having soft limit problems. I want to have the z search home in the positive direction ( can get that to work) then be able to travel between 0 and

Re: [Emc-users] Home/limit questions

2010-01-22 Thread Yi-Shin Li
the polarity of HOME_SEARCH_VEL and HOME_LATCH_VEL. For example, if it was 10.0, then switching it to -10.0 will change the homing direction. Yi-Shin Li -- Throughout its 18-year history, RSA Conference consistently attracts

Re: [Emc-users] Help with Kinematics

2009-12-17 Thread Yi-Shin Li
On Fri, Dec 18, 2009 at 5:14 AM, Dave Fansolato dfansol...@icubed.bizwrote: I am interested in using EMC2 to control a homemade SCARA type arm. My question is how do I configure the arm lengths and required info for the kinematics to be correct. Do I select the scara setup that is already

Re: [Emc-users] Help with Kinematics

2009-12-17 Thread Yi-Shin Li
Hello Dave, I've successfully helped 2 of my customers to control their SCARA with EMC2. Here's one of the video: http://www.youtube.com/watch?v=JF6dYXo2CeE I'm willing to provide professional consulting service to help you integrating SCARA with EMC2. Sincerely yours, Yishin Li -- Arais

Re: [Emc-users] Help with Kinematics

2009-12-17 Thread Yi-Shin Li
Sorry to emc2-list-users, I should made previous mail off-list. I apologize again for sending irreverent messages to this list. Sincerely, Yishin Li On Fri, Dec 18, 2009 at 7:43 AM, Yi-Shin Li y...@araisrobo.com wrote: Hello Dave, I've successfully helped 2 of my customers to control

Re: [Emc-users] new interface

2009-11-12 Thread Yi-Shin Li
On Thu, Nov 12, 2009 at 10:43 PM, Stephen Wille Padnos spad...@sover.netwrote: Stuart Stevenson wrote: Gentlemen, Instead of the parallel port or the NIC should we (someone) consider the video connection as an alternative interface. I would guess not all the pins are used and with some

Re: [Emc-users] new interface

2009-11-12 Thread Yi-Shin Li
simulation mode without RTAI support. Yishin On Thu, Nov 12, 2009 at 6:59 PM, Yi-Shin Li y...@araisrobo.com wrote: I'm interested in adopting the USB interface for servo/stepper motor control. It's cheap and widely available, although it has quiet significant latency issue. I'm working

Re: [Emc-users] new interface

2009-11-12 Thread Yi-Shin Li
On Fri, Nov 13, 2009 at 11:25 AM, Jon Elson el...@pico-systems.com wrote: Yi-Shin Li wrote: I'm interested in adopting the USB interface for servo/stepper motor control. It's cheap and widely available, although it has quiet significant latency issue. I'm working on resolving issues