Well I have 18 e-mails about USB ports. The answer to my question seems to be yes ,very well, but not quite yet. Is this somewhat right????
Thank you all for a very enlightening thread salsaman59 ----- Original Message ----- From: "Mariss Freimanis" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, December 03, 2004 9:32 PM Subject: [CAD_CAM_EDM_DRO] Re: USB ports ? > > > I'm happy I'm finally back on it again. It's been 1 year and 12 days. > The time elapsed was spent designing the G204V Vampire drive; that > design was finally "put to bed" Wednesday. > > We had a little party here Wednesday nite when the gerber files were > e-mailed to the board fabricators. In 2 weeks we get the first 1,000 > board-sets and then the real fun begins. > > In the meantime I've been killing time writing the G204V user's > manual and generating 3D renderings of the solids model. > > Also I've been catching up with where I left off on the G2002, > cleaning up the schematic diagrams to get them spiffed-up enough to > code into an FPGA. That is done and the coding has begun. > > The G2002 should progress very rapidly. I did a time chart for the > project; I'm shooting for a 4-month time frame to first article. > > An exciting prospect is the "unstallable stepper" idea the G2002 > should make possible. A true closed-loop, real time encoder feedback > stepper system. > > This coming year will be exciting. > > Mariss > > > --- In [EMAIL PROTECTED], Peter Homann <[EMAIL PROTECTED]> > wrote: >> Mariss, >> >> I should have realised you had it covered. :-) >> >> Peter. >> >> Mariss Freimanis wrote: >> >> > >> > Peter, >> > >> > Not a problem, 100mA is current to spare. The 100mA outputs are > open- >> > drain and diode clamped to the 24VDC power supply of your choice. > You >> > supply the 24VDC to run your relays or whatever, that is not > taken >> > from the USB 5VDC. >> > >> > Mariss >> > >> > >> > --- In [EMAIL PROTECTED], Peter Homann > <[EMAIL PROTECTED]> >> > wrote: >> > >> >>Hi Mariss, >> >> >> >>You will need to add an alternative power source, such as a wall >> > >> > adapter >> > >> >>or other power supply. The USB specification imposes limits on >> > >> > current >> > >> >>draw. The host first recognizes any peripheral as a low-power >> > >> > device, >> > >> >>which is limited to less than 100 mA of current. The peripheral > can >> > >> > ask >> > >> >>the host to recognize it as a high-power device through a process >> > >> > called >> > >> >>enumeration. Once enumeration is complete and permission is >> > >> > granted, the >> > >> >>peripheral current limitation increases to 500 mA. >> >> >> >>Even 500mA is not enough for 16 outputs at 100mA each, let alone >> > >> > the >> > >> >>other power requirements of the G2002. >> >> >> >>Cheers, >> >> >> >>Peter. >> >> >> >>Mariss Freimanis wrote: >> >> >> >>>Hi, >> >>> >> >>>The G204V "Vampire" drive design is finished. The first 100 beta >> >>>units will be available at the beginning of January. >> >>> >> >>>That means I'm back on the G2002 (G2005?) project. The FPGA for >> > >> > the >> > >> >>>design is being coded right now. In summary, the G2002 will have: >> >>> >> >>>1) 6 axis of step / direction (up to 4 MHz step rate) >> >>>2) 6 axies of encoder feedback (CH-A, CH-B, Index and Fault) >> >>>3) 8 analog output channels (+/-10V, 0-5V) >> >>>4) 8 analog input channels (0-5V) >> >>>5) 16 general purpose outputs (5-24VDC, 100mA) >> >>>6) 16 general purpose inputs (+/- 100V protected) >> >>>7) USB interface, USB powered >> >>> >> >>>Mariss >> >>> >> >>> >> >>> >> >>>--- In [EMAIL PROTECTED], Jon Elson <[EMAIL PROTECTED]> >> > >> > wrote: >> > >> >>>>R Rogers wrote: >> >>>> >> >>>> >> >>>> >> >>>>>Wasn't Art Fenerty working on a system like this for Mach2? He >> >>> >> >>>referred to it as a "cube" or something like that? Basically a >> > >> > remote >> > >> >>>pulse generator. However, I understood it was to work from the >> >>>parallel port. Maybe he already released it and I'm unaware of >> > >> > it. >> > >> >>>>> >> >>>>Yes, hardware by Mariss Freimanis of Gecko Drives, called the >> >>> >> >>>G2002, I >> >>> >> >>> >> >>>>think. There is a group >> >>>>of people working on it. It runs through the USB, I believe. >> >>>> >> >>>>Jon >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> >> >>>Addresses: >> >>>FAQ: http://www.ktmarketing.com/faq.html >> >>>FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/ >> >>>Post Messages: [EMAIL PROTECTED] >> >>> >> >>>Subscribe: [EMAIL PROTECTED] >> >>>Unsubscribe: [EMAIL PROTECTED] >> >>>List owner: [EMAIL PROTECTED], >> > >> > [EMAIL PROTECTED], [EMAIL PROTECTED] >> > >> >>>Moderator: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] >> > >> > [Moderators] >> > >> >>>URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO >> >>> >> >>>OFF Topic POSTS: General Machining >> >>>If you wish to post on unlimited OT subjects goto: >> > >> > aol://5863:126/rec.crafts.metalworking or go thru Google.com to > reach >> > it if you have trouble. >> > >> >>>http://www.metalworking.com/news_servers.html >> >>> >> >>>http://groups.yahoo.com/group/jobshophomeshop I consider this >> > >> > to be a sister site to the CCED group, as many of the same > members >> > are there, for OT subjects, that are not allowed on the CCED list. >> > >> >>>NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY >> > >> > POSTING THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO >> > EXCEPTIONS........ >> > >> >>>bill >> >>>List Mom >> >>>List Owner >> >>> >> >>> >> >>>Yahoo! Groups Links >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> >> >> >> >>-- >> >>------------------------------------------------------------------ >> >>Web: www.homanndesigns.com >> >>email: [EMAIL PROTECTED] >> >>Phone: +61 421 601 665 >> >>www.homanndesigns.com/DigiSpeedDeal.html - DC Spindle control >> >>www.homanndesigns.com/TurboTaig.html - Taig Mill Upgrade board >> > >> > >> > >> > >> > >> > >> > Addresses: >> > FAQ: http://www.ktmarketing.com/faq.html >> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/ >> > Post Messages: [EMAIL PROTECTED] >> > >> > Subscribe: [EMAIL PROTECTED] >> > Unsubscribe: [EMAIL PROTECTED] >> > List owner: [EMAIL PROTECTED], > [EMAIL PROTECTED], [EMAIL PROTECTED] >> > Moderator: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] > [Moderators] >> > URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO >> > >> > OFF Topic POSTS: General Machining >> > If you wish to post on unlimited OT subjects goto: > aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach > it if you have trouble. >> > http://www.metalworking.com/news_servers.html >> > >> > http://groups.yahoo.com/group/jobshophomeshop I consider this > to be a sister site to the CCED group, as many of the same members > are there, for OT subjects, that are not allowed on the CCED list. >> > >> > NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY > POSTING THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO > EXCEPTIONS........ >> > bill >> > List Mom >> > List Owner >> > >> > >> > Yahoo! Groups Links >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> >> -- >> ------------------------------------------------------------------ >> Web: www.homanndesigns.com >> email: [EMAIL PROTECTED] >> Phone: +61 421 601 665 >> www.homanndesigns.com/DigiSpeedDeal.html - DC Spindle control >> www.homanndesigns.com/TurboTaig.html - Taig Mill Upgrade board > > > > > > Addresses: > FAQ: http://www.ktmarketing.com/faq.html > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/ > Post Messages: [EMAIL PROTECTED] > > Subscribe: [EMAIL PROTECTED] > Unsubscribe: [EMAIL PROTECTED] > List owner: [EMAIL PROTECTED], [EMAIL PROTECTED], > [EMAIL PROTECTED] > Moderator: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] > [Moderators] > URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO > > OFF Topic POSTS: General Machining > If you wish to post on unlimited OT subjects goto: > aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it > if you have trouble. > http://www.metalworking.com/news_servers.html > > http://groups.yahoo.com/group/jobshophomeshop I consider this to be a > sister site to the CCED group, as many of the same members are there, for > OT subjects, that are not allowed on the CCED list. > > NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM. > DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........ > bill > List Mom > List Owner > > > Yahoo! Groups Links > > > > > > > Addresses: FAQ: http://www.ktmarketing.com/faq.html FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/ Post Messages: [EMAIL PROTECTED] Subscribe: [EMAIL PROTECTED] Unsubscribe: [EMAIL PROTECTED] List owner: [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED] Moderator: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] [Moderators] URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO OFF Topic POSTS: General Machining If you wish to post on unlimited OT subjects goto: aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if you have trouble. http://www.metalworking.com/news_servers.html http://groups.yahoo.com/group/jobshophomeshop I consider this to be a sister site to the CCED group, as many of the same members are there, for OT subjects, that are not allowed on the CCED list. NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........ bill List Mom List Owner Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
