[Emc-users] emc debian rules.

2010-04-12 Thread Jan de Kruyf
Jeff, I do not know if you are the right person if not, please disregard this. I have a few problems with the debian rules file from the latest git pull, trying to compile under debian lenny with kernel 2.6.30.5 and rtai 3.8 here is the relevant line in the rules file: cd src

Re: [Emc-users] High speed I/O for EMC

2010-04-12 Thread Ray Henry
On Sun, 2010-04-11 at 16:21 -0500, Karl Schmidt wrote: I'm also wondering does EMC compile a pulse list and timing before the move so there would be no computation latency, or is it generated on the fly? Living with the NIST notion of Sense - Model - Act tends to limit one from building the

[Emc-users] (AXIS, stop) not working

2010-04-12 Thread Taras Koroljuk
Hello. Nothing changes if I try to execute (AXIS, stop) or (AXIS, hide[show]) I am using EMC2.3.5. Any suggestion? -- Download Intel#174; Parallel Studio Eval Try the new software tools for yourself. Speed compiling,

[Emc-users] Emergency Stop switch

2010-04-12 Thread Neil Baylis
I'm looking to source an e-stop switch. I have some already with the big red mushroom button that latches when you press it, and must be turned to release. This is good. But what I want is a switch that can also be operated by a signal from the computer. So if the computer detects an e-stop

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Jim Fleig - CNC Services
Hi Neil, Setup a failsafe circuit with the connection passing through the E-stop contacts energizing a relay. If anything in the series circuit becomes open (E-stop button, relay contacts in E-stop circuit, overtravel limit switch contacts, etc.) the functions dependant upon that circuit

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Neil Baylis
Thanks Jim, I understand how to set up such a failsafe circuit. But in addition, I want the actual e-stop switch to activate and latch, so that regardless of whether the computer generates a fault condition, or I do it myself, I still have to manually release the switch before resuming operation.

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Eric Keller
My guess is that a switch with an actuator in it would be so expensive that nobody has ever bothered to market one. I think your best bet is to have a self-powering relay that can only be turned on by a momentary switch. Eric On Mon, Apr 12, 2010 at 1:53 PM, Neil Baylis neil.bay...@gmail.com

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Jim Fleig - CNC Services
Hi Neil, I believe Eric is correct. After 30 years in industry (the last 20 specifically with CNC) I have never seen what you are describing. As Eric mentioned, a relay that must be activated by a reset switch would do the job. Reset switches for this purpose I have seen and included in

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Neil Baylis
OK, thanks. I guess they don't exist. I guess what I'll do is to add a circuit that requires the e-stop button to be pressed before a fault condition can be cleared. Then I have no choice but to twist the e-stop before resuming. Thanks, Neil On Mon, Apr 12, 2010 at 11:32 AM, Jim Fleig - CNC

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Jim Fleig - CNC Services
Hi Neil, That is easy doable by adding contacts on the E stop switch and creating the logic to achieve the effect you desire. Jim - Original Message - From: Neil Baylis neil.bay...@gmail.com To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net Sent: Monday, April 12,

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Alex Joni
Just use a safety relay for this, no need to reinvent the wheel.. Regards, Alex On 4/12/2010 10:10 PM, Neil Baylis wrote: OK, thanks. I guess they don't exist. I guess what I'll do is to add a circuit that requires the e-stop button to be pressed before a fault condition can be cleared. Then

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Neil Baylis
What's a safety relay? Is it a particular kind of relay? Neil On Mon, Apr 12, 2010 at 2:51 PM, Alex Joni alex.j...@robcon.ro wrote: Just use a safety relay for this, no need to reinvent the wheel.. Regards, Alex On 4/12/2010 10:10 PM, Neil Baylis wrote: OK, thanks. I guess they don't

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Alex Joni
http://www.pilz.com/products/control_communication/safety_relay/index.en.jsp (first hit off google) Basicly they are a relay, with some aditional circuitry inside so that bad things can't happen. if you have a glitch in the safety circuit, the safety relay opens and stays that way until you

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Alex Joni
Here's a nice difference between a normal relay estop setup and a safety relay: http://www.ia.omron.com/product/cautions/189/img/cn_2.gif Regards, Alex On 4/13/2010 1:47 AM, Alex Joni wrote: http://www.pilz.com/products/control_communication/safety_relay/index.en.jsp (first hit off

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Neil Baylis
Thanks, Alex. On Mon, Apr 12, 2010 at 3:50 PM, Alex Joni alex.j...@robcon.ro wrote: Here's a nice difference between a normal relay estop setup and a safety relay: http://www.ia.omron.com/product/cautions/189/img/cn_2.gif Regards, Alex On 4/13/2010 1:47 AM, Alex Joni wrote:

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Jon Elson
Neil Baylis wrote: I'm looking to source an e-stop switch. I have some already with the big red mushroom button that latches when you press it, and must be turned to release. This is good. But what I want is a switch that can also be operated by a signal from the computer. So if the computer

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Neil Baylis
I'm sure that Pilz, Faulhaber, Schaffner and a bunch of other outfits have a device that will do what you want, in some manner.  I don't think I have ever seen exactly a red mushroom switch that would mechanically activate, but these companies and others have safety-rated relays (for about

Re: [Emc-users] Emergency Stop switch

2010-04-12 Thread Bevins, Bob
You can do it with relays and a timer. Or you can get a 100.00 AutoationDirect.com plc to do it. DL05 Bob Bevins Project Manager Ingersoll Rand Security Technologies bob_bev...@irco.com 514 231-6241 -Original Message- From: Neil Baylis [mailto:neil.bay...@gmail.com] Sent: Monday, April

Re: [Emc-users] (AXIS, stop) not working

2010-04-12 Thread Dewey Garrett
Hello. Nothing changes if I try to execute (AXIS, stop) or (AXIS, hide[show]) try removing the space after the comma. (ref git-master, probably same for 2.3.5) interp_convert.cc: COMMENT(AXIS,hide); interp_convert.cc: COMMENT(AXIS,show); lib/python/rs274/glcanon.py if