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Thread
2005-01-12 by Julian
Ive aqquired second hand, somewhere along the line, some of the 19hp drilled rails form mounting motm modules. Ive tried once to buy bolts for them, and got the wrong ones. The thread is described as "#8-32", but it seems i need more information to get it right. Ideally i was going to order a set of bolts when i mail order from rapidelectronics.co.uk at the end of the week, but im unsure if ill get them right. Any coments? Cheers, Julian
2005-01-13 by Scott Juskiw
The bolts that come with MOTM modules are #8-32. These are the bolts for mounting a module to a 19hp rail. These same bolts are used to attach MOTM modules to Stooge flat rails. The bolts that are for attaching regular rack mount gear are #10-32. These bolts would be used to attach the 19hp rails to the 19" wide rack. That's the standard for north american made racks. At 8:25 PM +0000 2005/01/12, Julian wrote:
>Ive aqquired second hand, somewhere along the line, some of the 19hp >drilled rails form mounting motm modules. > >Ive tried once to buy bolts for them, and got the wrong ones. The >thread is described as "#8-32", but it seems i need more >information to get it right. > >Ideally i was going to order a set of bolts when i mail order from >rapidelectronics.co.uk at the end of the week, but im unsure if >ill get them right. > >Any coments? > >Cheers, Julian
2005-01-13 by Oakley Sound
Julian, check out the RS website. They stock most of the US size screws there. http://rswww.com/ Rapid have only old British and metric sizes. Alternatively, your local computer shop will have some too since most PCs are built with US size screws. Tony
2005-01-13 by Sikorsky
hello all, from what i remember the 8-32 bolts are almost impossible to get in the UK, if you need a lot, maybe you could try Stooge Larry - i think he has to buy them in bulk for the flat rails he sells (cue: Larry ?) all MOTM modules come with 4 x 8-32 screws, second hand - some people just forget if you're really stuck i could probably spare a few - what do you need..? in Eurospeak, the best bolts for attaching the 19A rails to a rack cabinet are M5 as the usual standard M6 are just too thick for most rails (don't forget you'll need M5 caged nuts as well unless you're plugging into an SKB rack) cheer paul b sheffield ----- Original Message -----
From: "Scott Juskiw" <scott@...> To: "Julian" <julian@...>; <motm@yahoogroups.com> Sent: Thursday, January 13, 2005 1:40 AM Subject: Re: [motm] 19hp rails - what size bolts > > The bolts that come with MOTM modules are #8-32. These are the bolts > for mounting a module to a 19hp rail. These same bolts are used to > attach MOTM modules to Stooge flat rails. The bolts that are for > attaching regular rack mount gear are #10-32. These bolts would be > used to attach the 19hp rails to the 19" wide rack. That's the > standard for north american made racks. > > At 8:25 PM +0000 2005/01/12, Julian wrote: > >Ive aqquired second hand, somewhere along the line, some of the 19hp > >drilled rails form mounting motm modules. > > > >Ive tried once to buy bolts for them, and got the wrong ones. The > >thread is described as "#8-32", but it seems i need more > >information to get it right. > > > >Ideally i was going to order a set of bolts when i mail order from > >rapidelectronics.co.uk at the end of the week, but im unsure if > >ill get them right. > > > >Any coments? > > > >Cheers, Julian > > > > > Yahoo! Groups Links > > > > > > > >
2005-01-13 by Sikorsky
> Julian, check out the RS website. They stock most of the US size screws > there. ah - i never thought of that.. meanwhile, my cunning new cabinet plan has backfired - i now need more power supplies (grrr) Tony do you have any good tips for Power One or similar supplies in the UK ..? cheers paul
2005-01-13 by Oakley Sound
> Tony do you have any good tips for Power One or similar supplies in the UK ..? This is where I get mine if I want a bare bones supply: http://www.xpplc.com/index.taf But more information on my Power Supplies page: http://www.oakleysound.com/power.htm As you can see I tend to recommend you get the MOTM or Blacet ones! Tony
2005-01-13 by edibennardo
...just thinking and hoping to say no nonsense. Motm 900 is supposed to deliver 800 mA but, is it still delivering the same current when wired for 220V? or it drops to 400mA? I know this is a simple question almost for everyone here but not for me. Many thanks. Enrico
2005-01-13 by Scott Juskiw
>...just thinking and hoping to say no nonsense. Motm 900 is supposed >to deliver 800 mA but, is it still delivering the same current when >wired for 220V? or it drops to 400mA? I know this is a simple >question almost for everyone here but not for me. Many thanks. Yes, it still delivers 800 mA DC to your modules. It just draws less current from the AC mains at 220V (as opposed to 110V).
2005-01-13 by Paul Schreiber
No, the *output* current is still 800ma, but the *input current* is 400ma. Because, as we learn in EE school on day #1: "Power is power." Paul S. ----- Original Message -----
From: "edibennardo" <endiendi@...> To: <motm@yahoogroups.com> Sent: Thursday, January 13, 2005 11:56 AM Subject: [motm] Power supply 110/220 > > > ...just thinking and hoping to say no nonsense. Motm 900 is supposed > to deliver 800 mA but, is it still delivering the same current when > wired for 220V? or it drops to 400mA? I know this is a simple > question almost for everyone here but not for me. Many thanks. > Enrico > > > > > > > > Yahoo! Groups Links > > > > > > >
2005-01-13 by alt-mode
Gee, when I went to EE school, I was first taught to resist. After learning
that resistance is futile, I tried to gain the capacitance to learn.
Eventually, I was inducted and Laplace transformed myself until I had the
power!
Sorry, I couldn't help myself. ;-)
Eric [who was taught electronic circuits by Dr. Bong Ho (no joke)]-----Original Message----- From: Paul Schreiber [mailto:synth1@...] Sent: Thursday, January 13, 2005 2:41 PM To: motm@yahoogroups.com; edibennardo Subject: Re: [motm] Power supply 110/220 Because, as we learn in EE school on day #1: "Power is power."
2005-01-14 by Richard Brewster
So, if the input current at 110V is 800ma and the output current is 800ma, then it shouldn't get warm, right? <ducking> (Flunked out of EE school) -Richard Brewster Paul Schreiber wrote:
>No, the *output* current is still 800ma, but the *input current* is 400ma. > >Because, as we learn in EE school on day #1: "Power is power." > >Paul S. > >----- Original Message ----- >From: "edibennardo" <endiendi@...> >To: <motm@yahoogroups.com> >Sent: Thursday, January 13, 2005 11:56 AM >Subject: [motm] Power supply 110/220 > > > > >>...just thinking and hoping to say no nonsense. Motm 900 is supposed >>to deliver 800 mA but, is it still delivering the same current when >>wired for 220V? or it drops to 400mA? I know this is a simple >>question almost for everyone here but not for me. Many thanks. >>Enrico >> >> >> >> >> >> >> >>Yahoo! Groups Links >> >> >> >> >> >> >> >> >> > > > > >Yahoo! Groups Links > > > > > > > > > >
2005-01-14 by Paul Schreiber
> > So, if the input current at 110V is 800ma and the output current is > 800ma, then it shouldn't get warm, right? <ducking> (Flunked out of EE > school) First day in Thermo class: "Heat does NOT EQUAL temperature." This is sort of a hard concept to grasp, like knowing the difference between intentionally killing someone and deliberately killing someone (legally, they are *quite* different). In our case, the heat dissipated is the same. Paul S.
2005-01-14 by Sikorsky
> This is where I get mine if I want a bare bones supply: > > http://www.xpplc.com/index.taf unfortunately you can only order online if you have a VAT number, but you can call them on 0118 984 5515 the LN 1.5A supply is currently out of stock... cheers paul