Re: [Emc-users] Running on a G4 MAc (new world)

2008-05-02 Thread stephan wintner
Sorry for the late reply - this is of interest to me, I would like to run Linux (Ubuntu or whatever) on my Mac, running it through a parallel port card Have fun -Stephan On Mon, Feb 11, 2008 at 7:28 PM, paul_c [EMAIL PROTECTED] wrote: Hi Jason On Monday 11 February 2008 07:45, Jason Cox

Re: [Emc-users] Un-Homing an axis

2008-05-02 Thread Chris Radek
On Thu, May 01, 2008 at 10:43:43PM -0700, Carl Helquist wrote: Is there any way to put an axis back to the pre-homed state? Either that or a soft limit override? In EMC 2.3, you will be able to unhome an axis or all axes.

Re: [Emc-users] Un-Homing an axis

2008-05-02 Thread John Thornton
You would think that a jog override for soft limits would be nice. But then that encourages sloppy setup and could cause serious damage on a larger machine... John On 1 May 2008 at 22:43, Carl Helquist wrote: Somewhat related to the overriding limits topic, but I think different enough to

Re: [Emc-users] Overriding Limits

2008-05-02 Thread John Thornton
Carl, I put a Rapid to Home button on my pyVCP panel. It is documented here http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Adding_Custom_MDI_Buttons On 1 May 2008 at 22:05, Carl Helquist wrote: I just recently started using soft limits, maybe someone will find the following observations

Re: [Emc-users] Un-Homing an axis

2008-05-02 Thread Kenneth Lerman
I believe that the way is *should* work is that overriding limits should override both hard and soft limits. Compared to overriding hard limits, overriding soft limits is harmless. For additional protection though, overriding limits should allow jogging only *away* from the limit that has been

[Emc-users] Step Direction Timing Page

2008-05-02 Thread John Thornton
I started a step and direction timing page on the wiki site. If anyone can add to it that would be great. I use the same format as the stepconf setup page so newbee's won't get confused nor will I... http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Stepper_Drive_Timing John

Re: [Emc-users] Problems configuring stepper machine

2008-05-02 Thread Nathan Bromham
Aaron I use the MSD542 drivers with EMC2 with no problems, (but I don't have access to my ini file at the moment). The data sheet from www.motioncontrolproducts.com is a bit terse. I used the data sheet from http://www.kelinginc.net/KL-5042.pdf, as I think these are identical drives. Missing

Re: [Emc-users] Un-Homing an axis

2008-05-02 Thread Chris Radek
On Fri, May 02, 2008 at 10:12:48AM -0400, Kenneth Lerman wrote: I (now) understand the other side of the soft limit issue. I'd suggest though, that soft limits is the wrong way to save the table on the milling machine. Yes I agree. I might rename soft limit to safety limit. You should

Re: [Emc-users] Overriding Limits

2008-05-02 Thread John Kasunich
Carl Helquist wrote: I just recently started using soft limits, maybe someone will find the following observations relevant to this topic: You've really hit the nail on the head... I am using emc2 on a Sherline with steppers, mm screws, and no limit or home switches. I used to always set

Re: [Emc-users] Un-Homing an axis

2008-05-02 Thread Chris Radek
On Fri, May 02, 2008 at 08:12:14AM -0400, Kenneth Lerman wrote: For additional protection though, overriding limits should allow jogging only *away* from the limit that has been hit. This is currently how override limits (for jogging off a limit switch) works, when the right and left limit

Re: [Emc-users] Un-Homing an axis

2008-05-02 Thread Dave Engvall
snip On May 1, 2008, at 10:43 PM, Carl Helquist wrote: Somewhat related to the overriding limits topic, but I think different enough to start a new topic: I am using soft limits on my machine. If I accidently click on home instead of touch-off (the buttons are right next to each other) at

Re: [Emc-users] Un-Homing an axis

2008-05-02 Thread John Kasunich
Dave Engvall wrote: The problem starts with the placement of the home button next to jog which means it is easy to have the mouse wander when one is jogging while watching an edge finder. Ask me how I know. ;-) I guess there are two schools regarding homing. Those who home to the

Re: [Emc-users] Step Direction Timing Page

2008-05-02 Thread John Kasunich
John Thornton wrote: I started a step and direction timing page on the wiki site. If anyone can add to it that would be great. I use the same format as the stepconf setup page so newbee's won't get confused nor will I... http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Stepper_Drive_Timing

Re: [Emc-users] Off Topic, DC Spindle Motor

2008-05-02 Thread Gene Heskett
On Thursday 01 November 2007, Kirk Wallace wrote: On Wed, 2007-10-31 at 20:15 -0600, Jon Elson wrote: Kirk Wallace wrote: What is the best way to drive a 4hp, 90VDC, 40A spindle motor on a Hardinge CHNC? Some of the large DC motors I have seen, look like universal motors which would operate

Re: [Emc-users] Off Topic, DC Spindle Motor

2008-05-02 Thread Kenneth Lerman
I have a Rivett lathe that uses a motor generator to supply the DC for the motor. That's a PITA. I have a rotary converter to generate the three phase to drive the motor generator to create the DC for the motor. When I was in the motor shop getting the commutator on the motor reworked, I spoke

Re: [Emc-users] Un-Homing an axis

2008-05-02 Thread Steve Stallings
Opening a can of worms here, but I like confirmation boxes to pop up for functions like EXIT, HOME, and UNHOME. Steve Stallings -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of John Kasunich Sent: Friday, May 02, 2008 10:41 AM To: Enhanced Machine

Re: [Emc-users] Off Topic, DC Spindle Motor

2008-05-02 Thread John Kasunich
Gene Heskett wrote: On Thursday 01 November 2007, Kirk Wallace wrote: Kirk Wallace wrote: What is the best way to drive a 4hp, 90VDC, 40A spindle motor on a Hardinge CHNC? Some of the large DC motors I have seen, look like universal motors which would operate on AC or DC. Does anyone know if

Re: [Emc-users] Un-Homing an axis

2008-05-02 Thread Dave Engvall
H! Not a bad idea. :-) Oh, duh, why didn't I think of that. Dave On May 2, 2008, at 8:00 AM, Steve Stallings wrote: Opening a can of worms here, but I like confirmation boxes to pop up for functions like EXIT, HOME, and UNHOME. Steve Stallings -Original Message- From: [EMAIL

[Emc-users] Four Parallel ports

2008-05-02 Thread Daniel Kavanagh
Hi, I stuck 3 PCI parallel port cards into my pc. Without any work at all I could print from two of them. Very neat and I am assuming because they will print I can attach those for extra I/O. But the 3rd card was not a parallel port, as you only get three total, (one on board and two

Re: [Emc-users] Four Parallel ports

2008-05-02 Thread John Kasunich
Daniel Kavanagh wrote: Hi, I stuck 3 PCI parallel port cards into my pc. Without any work at all I could print from two of them. Very neat and I am assuming because they will print I can attach those for extra I/O. But the 3rd card was not a parallel port, as you only get three

Re: [Emc-users] Four Parallel ports

2008-05-02 Thread Kirk Wallace
On Fri, 2008-05-02 at 14:41 -0400, Daniel Kavanagh wrote: Hi, I stuck 3 PCI parallel port cards into my pc. Without any work at all I could print from two of them. Very neat and I am assuming because they will print I can attach those for extra I/O. But the 3rd card was not a

Re: [Emc-users] Overriding limits

2008-05-02 Thread rob
Robert, I remember reading somewhere that you could have homing switches and travel beyond the homing switch. But even better would be to change the limit switches such that you do not loose 3 inches. Or just create a second machine configuration with manual homing. I've still not

Re: [Emc-users] Running on a G4 MAc (new world)

2008-05-02 Thread Jason Cox
Stephan, I am just working on the RTAI kernel at the moment under Ubuntu 8.04. Unfortunatly the last patch was on a 2.6.20 kernel and so I have to work out a patch for 2.6.24. My plan is to setup 2.6.24with a rtai kernel for a x86 and then port the powerpc rtai kernel patches in over the

Re: [Emc-users] Step Direction Timing Page

2008-05-02 Thread Geoff
On Saturday 03 May 2008 00:43, John Kasunich wrote: John Thornton wrote: I started a step and direction timing page on the wiki site. If anyone can add to it that would be great. I use the same format as the stepconf setup page so newbee's won't get confused nor will I...

Re: [Emc-users] Step Direction Timing Page

2008-05-02 Thread Jason Cox
John, I have run 3 of these on a mill without any major issues.the only problem I have found is that some of the revixsion of the controller pcb used opto isolators witha limiting resitor in series with led in the opto. this tends to cut down the highest speed you can run at. my fix on

Re: [Emc-users] Running on a G4 MAc (new world)

2008-05-02 Thread Alex Joni
Hi Jason, I don't think you want that.. at some point (but details elude me) there has been some majour restructuring in the ppc/powerpc tree. I think you will find it easiest to just start with the stuff RTAI has support for. If you want to give x86 on Hardy a spin, join the devel list.

Re: [Emc-users] Step Direction Timing Page

2008-05-02 Thread John Thornton
Anything you can add will help others speed past this part of installing and running EMC. John On 3 May 2008 at 8:23, Jason Cox wrote: John, I have run 3 of these on a mill without any major issues.the only problem I have found is that some of the revixsion of the controller pcb used

Re: [Emc-users] Running on a G4 MAc (new world)

2008-05-02 Thread Jason Cox
Alex, there already Jason On Sat, 2008-05-03 at 02:04 +0300, Alex Joni wrote: Hi Jason, I don't think you want that.. at some point (but details elude me) there has been some majour restructuring in the ppc/powerpc tree. I think you will find it easiest to just start with the stuff

Re: [Emc-users] 8255 driver

2008-05-02 Thread Dave Keeton
So I have installed the PCI-DIO-96 board in the computer.Ubuntu picked it up in the Device manager and called it by name.How do I go about loading the pci_8255 hal driver, What file do I modify in the config directory, How do I know if EMC2 sees the board and its I/O points?

Re: [Emc-users] 8255 driver

2008-05-02 Thread Kirk Wallace
On Fri, 2008-05-02 at 21:36 -0400, Dave Keeton wrote: So I have installed the PCI-DIO-96 board in the computer.Ubuntu picked it up in the Device manager and called it by name.How do I go about loading the pci_8255 hal driver, What file do I modify in the config directory, How do I

Re: [Emc-users] 8255 driver

2008-05-02 Thread Jeff Epler
The so-called pci_8255 driver in emc is *only* for the futurlec card with 3 8255 chips and a tiger-320 PCI bridge. It will not work without modification on any other type of card. (and according to user reports, not even that card works when any of the ports are set to input mode) Jeff

Re: [Emc-users] 8255 driver

2008-05-02 Thread Dave Engvall
I just took a quick look but this may help. http://www.ni.com/pdf/manuals/374938a.pdf Dave On May 2, 2008, at 6:36 PM, Dave Keeton wrote: So I have installed the PCI-DIO-96 board in the computer.Ubuntu picked it up in the Device manager and called it by name.How do I go about