How much grounging is nessecary to support this system. I have read both books. I'm not a PHD in electronics either. Let's get some dialog going....
598
Paul Cesak
pcesak@...
Aug 10, 2001 2:37 am
I am not sure what this word means! "grounging" Grins pc ... From: <CMRI_Users@yahoogroups.com> To: <CMRI_Users@yahoogroups.com> Sent: Thursday, August 09,...
599
Ed & Judi Loizeaux
loizeaux@...
Aug 10, 2001 5:37 pm
... I think it should be "grounding" which is the past tense of "grinding" -- right?...
600
bernard_m_2001@...
Aug 10, 2001 8:39 pm
Yes, Paul and Ed, I meant grounding. I understand that the grounds for the layouts are separate from those of the computer. You people have an up and running...
601
Alan Anderson
kaprod@...
Aug 10, 2001 10:29 pm
... I'll assume grounding. Grounding is the most important aspect of the CMRI system. EVERYTHING is tied to a ground bus. On my system, I use Railcommand ...
602
bernard_m_2001@...
Aug 11, 2001 2:02 am
Alan, Thanks for taking the time to answer. The information you provided about grounding as well as the systems used on your layout are most helpful....
603
John DePauw
johnd@...
Aug 13, 2001 6:29 pm
Alan ... 5V and +/- 12V wiring for CMRI motherboards, detectors and switch motors. The ground of the power supplies and the ground from the power stations are...
604
Rich Weyand
rfwlists@...
Aug 13, 2001 8:27 pm
... Or even *if* it is gapped. ... That's best, I think, but none of my grounds are yet connected to the building ground. I plan on it, but haven't done it...
605
Earl Hackett
hacketet@...
Aug 14, 2001 2:59 am
... Basically, there should be a return or ground path for all LOW voltage systems and they should all be tied together at one main point. Under no...
606
Alan Anderson
kaprod@...
Aug 14, 2001 2:26 pm
... Thanks for helping me clarify John. Surplus "AT" style power supplies +5V @ 20A, +12V @ 1A, etc. Picked up used ones at a used computer dealer. Double...
607
Rich Weyand
rfwlists@...
Aug 14, 2001 3:19 pm
... Yup. Just to clarify a couple points: - The colored wires in 110/220 wiring are "hot". Black is normally 110, red is normally the "other" 110 in a 220...
608
dale.gloer@...
Aug 14, 2001 4:22 pm
... Bernard, as usual the answer is - It depends! Frustrating isn't it. As far as I can tell (and I do not have the hardware or software to actually test it...
609
Wayne Roderick
tetonsl@...
Aug 14, 2001 6:39 pm
... big snip==> Rich: That was a nice piece of work. I hope our readers pay heed because it can solve a lot of problems on bigger and/or complex layouts. I...
610
Earl Hackett
hacketet@...
Aug 14, 2001 10:41 pm
All these grounds are too much! My brain is starting to look like those eggs in fry pan. For block detection with DCC (I'm using the EasyDCC system) I used...
611
Stephen Bartlett
sbartlet@...
Aug 15, 2001 2:07 am
Earl, I am assuming you have two opposing trains, separated by one unoccupied block between them. Your software should have already given _one_ train the...
612
Don Mitchell
donm@...
Aug 15, 2001 5:30 am
... Doesn't matter for ABS and similar signals, as the signal indications will not care about train identification. For some, more modern, forms of CTC and...
613
Alan Anderson
kaprod@...
Aug 15, 2001 2:42 pm
I built Chubb's phone system cards for three model railroads here in Salt Lake. I asked on this list in February and got one lead I pursued yet I'm still in...
614
Rich Weyand
rfwlists@...
Aug 15, 2001 4:34 pm
... Try Fertik's in Philadelphia 215-455-2121. Also try Mendelson Electric Co in Dayton OK. www.meci.com Richard F. Weyand, President The Trade Secret Office,...
615
Rich Weyand
rfwlists@...
Aug 15, 2001 5:10 pm
... This might be what you want (at MECI): Handset originally used on radio-telephone equipment. White handset with wall mount holder and black coil cord....
616
Stephen Bartlett
sbartlet@...
Aug 15, 2001 5:26 pm
Alan, I do not know of many surplus places, but Fair Radio Sales (www.fairradio.com) carries handsets and mikes. They may be a possible source. Steve Bartlett...
617
Seth Neumann
seth@...
Aug 15, 2001 5:56 pm
try your local electronics swap meet and get old "500" or "2500" sets. I may have a few of the carbon mikes themselves if you are interested contact me off...
618
John DePauw
johnd@...
Aug 15, 2001 6:45 pm
Alan About a year ago I purchased 6 black hand set from Phoneco which included all of the necessary parts to work with Bruce's circuit. I have 3 separate (all...
619
Lee Nicholas
nicholas@...
Aug 16, 2001 10:28 pm
Hi all ... .Lake. I've also tried Viking with no response as yet. I thought I'd ask ... ,handsets for sale. Cradles are a plus but not required (but carbon...
620
Rich Weyand
rfwlists@...
Aug 17, 2001 5:45 pm
I have a question about the C/MRI serial protocol that some of you may be able to answer. Referencing pp. 188-191 of the book, is a DLE byte sent prior to...
621
Lee Nicholas
nicholas@...
Aug 18, 2001 1:04 am
Another phone site I found. http://www.navyrelics.com/tribute/phone_and_parts_sources.htm Lee...
622
Alan Anderson
kaprod@...
Aug 18, 2001 3:11 pm
... Rich, The DLE byte is only required to be sent immediately prior to any data byte value of 2, 3 or 16. In the example on page 188, the CT() byte has a...
623
Rich Weyand
rfwlists@...
Aug 18, 2001 4:20 pm
... Yup. I went through the code sample and figgered it out from there. Not really needed, and not used in modern protocol practice, but sometimes found in...
624
G G
yqqzz@...
Sep 15, 2001 12:18 am
DO NOT DELETE IF YOU HAVEN'T READ THIS. THIS IS A ONE TIME MAILING. This program is for real. And it works no matter which country you live in (read the...
625
Rich Weyand
rfwlists@...
Sep 18, 2001 3:03 pm
Hi All: A note to let you know that we have announced our C/MRI-compatible firmware for the SECSI Daughter II controller. Many thanks to those on this list...
626
David Gibbons
rrgibbons@...
Sep 26, 2001 6:51 am
Dear Ladies and Gentleman, Early in September 2001 I visited at Steve Hayes' layout. Steve and his crew have been encountering difficulties with detection,...