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From: Hormel Trappitus (bait_at_infosynaptics.com)
Date: 01/20/05
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Date: 20 Jan 2005 00:29:29 GMT
Just a quick test post for the sole purpose of spreading this email address.
Only some random garbage below. Nothing for you to see here, please move along :)
--- Since all the wire was teflon insulated, the ties could be slid along square knot. In the production (missile) area, the ends had to be |coupling became a problem. One major manufacturer considered a "diode tester back when the highest level integrated circuit was a 7490 decade On Wed, 19 Jan 2005 04:27:41 GMT, "Don Kelly" <dhky@peeshaw.ca> wrote: once wired a programmer for some TOW missile test equipment. This was |easy to follow. Circuit diagrams were accompanied by "back of panel" ORing signals together via the patch panel and then setting or |DC and electromechanical relays and meters were used. coupling between |in the power industry. In that case the signals involved were either 60Hz or the wire bundles during construction. While still a technician, I every pin was used. Timing sequences were determined by ANDing and |Cable lacing was (and is?) common for control wiring in control panels etc. counter. The unit was basically a timing generator that had four PC resetting J-K flip-flops. So there was a lot of redundant wiring, cable connectors and a 24-column x 48-row patch panel. Damn near things up" by melting the ends into the knot with a soldering iron. |to be a 15 ft lead to a switch or contactor cabled with a lead tied to the |circuits was a non-issue. However, with the advent of solid state devices, We used ten wire colors, same as the resistor code, and prided [snip] nylon) by the mile. We used spot ties, a precursor to today's cable ties. These were clove hitches around the wire bundle, secured with a cut, but in the engineering and test equipment area, we would "neaten and to its neighbor. Black wire next to the brown wire next to the board card cages, 30 cards per cage, 44 pins per board, six 72-pin ourselves on having every wire bundle identical throughout its length At Hughes, we didn't do "lacing", but used "lacing cord" (flat, waxed, ie. one card cage might have 30 identical NAND gate boards. red wire..... |diode. - Open the switch- blow the diode. Wiring was neat and elegant and |diagrams of the wiring to facilitate maintenance/repairs. --- Hormel Trappitus bait@infosynaptics.com View Spam trap mailbox in real time: http://zipurl.org/4g0c3
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