[Emc-users] PCB adapters for oscilloscope probes (Philipp Burch)

2015-03-17 Thread Roger Holmquist
I just looked at your mentioned Textronix probe Phillip. U shouldn't use such a probe if you want low interference because it has a very high RC load in the R component. Maybe U should use a classic 10M Ohm probe instead and connect that to a 1 MOhm scope? My impression is that your probe is

[Emc-users] PCB adapters for oscilloscope probes (Philipp Burch)

2015-03-17 Thread Roger Holmquist
Imho , Are U sure U need any particular measurement point device for your pcb Philipp? At those frequencies U mention U just need a simple pin and a common ground point at your card to make the measurement. In my days as an RF repair engineer i hooked my probe at those points with my integrated

Re: [Emc-users] CO2 good?

2012-08-06 Thread Roger Holmquist
Well Mark, I don't think U should enter the Global Warming debate because the following truth has been thoroughly tested: 1) Too little water kills a man. 2) Too much water kills a man. I think it's still valid. / Roger Then it's earth and plant

[Emc-users] Co2 equals OT - Agreed!

2012-08-06 Thread Roger Holmquist
;-) Roger -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include

Re: [Emc-users] STOP RIGHT NOW! (oneFinalPoint_not)

2012-08-05 Thread Roger Holmquist
elaborated: /Roger http://abcnc.se/docs/LinuxCNC_vs_Mach3.xls ** Roger Holmquist ro...@abcnc.se 0706-250123 http://abcnc.se ** -- Live Security Virtual Conference

[Emc-users] Mesa board / Embedded PC / HW issues....

2012-05-13 Thread Roger Holmquist
the ports U need: PCI, USB, VGA, Ethernet, RS232, for almost free: EUR 49 Could U use such a card as a linuxCNC platform? / Roger --- abCNC --- Roger Holmquist Bockarp villa Tallebo 59592 Mjölby +46-706-250123 +46-768-788477 +46-142-20542 ro...@abcnc.se http://abcnc.se

Re: [Emc-users] Emc-users Digest, Vol 73, Issue 56

2012-05-13 Thread Roger Holmquist
Ok, Viesturs! Well, I haven't been able to closely follow all the issues discussed on this list but all the posts are saved I guess? It would be nice to have a closer look at your solutions too. I now have two older Storebro lathes 260 and 200, with different control/electronic-troubles but

Re: [Emc-users] OT-Retrofitting machines

2012-05-13 Thread Roger Holmquist
Well, I have read your arguments and I guess I'm in! I think I will start with the 2-core Intel atom board Viesturs mentioned. And then we have the pheripherals, here is my very preliminary wish-list, (not much knowledge of my lathe control-interfaces ): PCI: 1) differential

[Emc-users] psu for atom boards

2012-05-13 Thread Roger Holmquist
Well, using a battery charger seem to be a high risk approach. What Pico seem to delveir is I guess the right thing, a regulated and shortcirciut-proof device intended for computer boards? Potential problems with battery chargers as powersupplies are: - Probably unfiltered DC -

Re: [Emc-users] OT-Retrofitting machines

2012-05-12 Thread Roger Holmquist
? dk --- abCNC --- Roger Holmquist Bockarp villa Tallebo 59592 Mjölby +46-706-250123 +46-768-788477 +46-142-20542 ro...@abcnc.se http://abcnc.se -- Live Security Virtual Conference Exclusive live event

[Emc-users] Storebro260/FANUC6 troubles...

2012-04-29 Thread Roger Holmquist
Hello all and thanks again for your support! Have been busy at the shop trying to write some code for the 260 and doing other tasks. The spindle engine play along making no fuzz about it's stator field problem but now the control starts quarreling but not about it's dreaded bubble memory who

[Emc-users] Trajectory planning, Newbie pops in again...

2012-04-21 Thread Roger Holmquist
Noticed the lists persistent discussion of the LinucCNC trajectory planning functionality. As a system designer I'm curious about the mentioned rule ability to stop at end of next block and wonder what the rationale for such a rule consist of. As a programmer I would also find it convenient to

Re: [Emc-users] Emc-users Digest, Vol 72, Issue 106

2012-04-20 Thread Roger Holmquist
20 apr 2012 kl. 18.54 skrev emc-users-requ...@lists.sourceforge.net: As Dave said below, U can't shortcircuit base to ground in your circuit, the resistor is intended to limit the base current in your schematics so what U can do is to set the M point to ground, that should make your relay

[Emc-users] Kirks Hardinge project...

2012-04-17 Thread Roger Holmquist
I just looked at your Hardinge lathe Kirk and found a HAL-file who by my Newbie eyes found unfinished! Ayway, just in case here it is: http://www.wallacecompany.com/cnc_lathe/HNC/emc2/nc_files/M111 and I guess you simply haven't finished it yet, it's a copy if M110... Nice to have a boltsnut

[Emc-users] Storebro260 update

2012-04-15 Thread Roger Holmquist
Just put a few measurements on spindle moter stator power circuitry on site: http://abcnc.se/projects/storebro260.html Done with a 100 MHz oscilloscope 1:10 probes, signal ground on chassis. / Roger -- For

Re: [Emc-users] Dave, Storebro260

2012-04-15 Thread Roger Holmquist
16 apr 2012 kl. 03:38 skrev emc-users-requ...@lists.sourceforge.net: Is there a small keyboard on that Spindle drive with some led displays? Thanks for your response Dave! I don't think i have any such devices, there is some LED-lights but no displays on some cards and no visible

Re: [Emc-users] Peter, Kent and the rest of U! -- Storebro 260, some LinuxCNC2 testing and a question about CAM modules...

2012-04-14 Thread Roger Holmquist
? Lathes don't break apart. Peter Roger, hur star det till? Tack, det är bra, anställningsplanerna rullar på! Roger Holmquist schrieb: Done some more jobs on the CNC-Lathe. - Installed LinuxCNC2 on my mac by VirtualBox. - Found http://IGSViewer.com for plotting and study 3d-part-files

[Emc-users] Storebro 260, some LinuxCNC2 testing and a question about CAM modules...

2012-04-11 Thread Roger Holmquist
... / Roger --- abCNC --- Roger Holmquist Bockarp villa Tallebo 59592 Mjölby +46-706-250123 +46-768-788477 +46-142-20542 ro...@abcnc.se http://abcnc.se -- Better than sec? Nothing is better than sec when

[Emc-users] No virtual Box except for testing...

2012-04-11 Thread Roger Holmquist
And that's it! Yes, I know about the RTOS restraints. I have run VMEExec and some other commerial RTOSes over the years so no Virtual boxes in a real system but you can do a lot of preparatory work in the box I believe... / Roger On 04/11/2012 12:00 PM, Roger Holmquist wrote: Done

[Emc-users] Storebro 260 Second encounter...

2012-03-29 Thread Roger Holmquist
; http:// abcnc.se/projects/storebro260.html Thanks for your valuable comments. They are thoughtfully considered! Greetings / Roger abCNC --- Roger Holmquist Bockarp villa Tallebo 59592 Mjölby +46-706-250123 +46-768-788477 +46-142-20542 ro...@abcnc.se http://abcnc.se

Re: [Emc-users] Emc-users Digest, Vol 71, Issue 113

2012-03-27 Thread Roger Holmquist
Right Charles! I guess I am in the Mixed Result category ;-) But for now: The baby is running ! / Roger 26 mar 2012 kl. 12.34 skrev emc-users-requ...@lists.sourceforge.net: mtbf has a limited scope. instead, the consideration should be of mttvp - mean time to vanishing profit. the

Re: [Emc-users] Storebro 260, firstEcounter etc...

2012-03-25 Thread Roger Holmquist
on the edge. If it goes down, it tends to stay down and simply become a time eater. Dave --- abCNC --- Roger Holmquist Bockarp villa Tallebo 59592 Mjölby +46-706-250123 +46-768-788477 +46-142-20542 ro...@abcnc.se http://abcnc.se

[Emc-users] Storebro 260, firstEcounter etc...

2012-03-24 Thread Roger Holmquist
Well, Peter, after 12 hours close encounter : It might be a version of the machine without cover, this CNC is built on a tradtional lathe setup, just adding servos and a better spindle engline, some sensors and this Sinumerik/FANUC 6 control and that's it ! On the other hand, your machine

Re: [Emc-users] Total OT - TV signal

2012-03-23 Thread Roger Holmquist
--- Roger Holmquist Bockarp villa Tallebo 59592 Mjölby +46-706-250123 +46-768-788477 +46-142-20542 ro...@abcnc.se http://abcnc.se -- This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here

[Emc-users] Apparent correction Sinumerik6T / Fanuc6/7?

2012-03-19 Thread Roger Holmquist
According to Daves FANUC link: http://www.cnc1.com/News/customer- files/CNC_eNewsletter_Sep_2010.pdf it tells us that Fanuc 7 was the version developed in cooperation with Siemens and it was marketed in two separate hardware versions, one from each company. Anyway, it says that FANUC

[Emc-users] Newbie introduction

2012-03-18 Thread Roger Holmquist
Hello and thanks again for all your input of my previous subject. I have read and contemplated your suggestions and followed most of your links. Now my intention is to establish a pilot project at my, I believe coming employers place SMP SMP can be freely translated to Great Swamps Production

[Emc-users] Newbie Introduction, Missing link...

2012-03-18 Thread Roger Holmquist
Well, there was a missing link in my previous message: -SNIP- SMP can be freely translated to Great Swamps Production Inc This is not an ordinary machine shop. It is situated in Sweden, in the northern part of Europe called Scandinavia far beyond any normal place for a company of this sort

[Emc-users] Newbie speaks again, this time FANUC/Siemes...

2012-03-18 Thread Roger Holmquist
I got a task from my coming boss and that is to configure an old Storebro 160 Lathe running Sinumerik 6T. There is an issue about resetting the coordinate system to the workpiece and doing tool compensation setup. He also told me the Siemens system should be the same as a FANUC 6 ? Anyway,

[Emc-users] Sinumerik/FANUC vintage machines etc...

2012-03-18 Thread Roger Holmquist
There might of course be a possibility that the machine is upgraded... About the connection to Siemens the boss told me they did cooperate briefly in the eighties... About the encoders I will look att that, going there on Wednesday. / Roger --- abCNC --- Roger Holmquist

[Emc-users] Some more Storebro260(FANUC/Sinumerik) docs...

2012-03-18 Thread Roger Holmquist
Just added two more docs to my site 1) Image of Storebro 260, probably a similar machine I will encounter on Wednesday! 2) A german(!) techSpec from Storebro, veeery old but still decodable... http://abcnc.se/docs/Storebro260.png http://abcnc.se/docs/Storebro260-TechSpec_german.pdf Maybe

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-03-17 Thread Roger Holmquist
Thanks for your responses. It seems I have to give LinuxCNC a closer look. There is a low cost commercial alternative in MACH 3. I guess you have an opinions on that system too? I know it's based on Windows with some kind of realtime extension who doesn't sound too good in ears. My impression

[Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie

2012-03-15 Thread Roger Holmquist
Hello everybody! Have just got reason to join the CNC-developing community. Considering LinuxCNC as a professional machine control system replacing older control systems versions from FANUC, Heidenhahn, Siemens etc One observation is that trajectory planning seem to be incomplete. There is