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| To: | [email protected] |
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| Subject: | Re: LF: LF "Mobile" ( was : "NM" on 136177 ) |
| From: | wolf_dl4yhf <[email protected]> |
| Date: | Tue, 04 Jan 2011 19:29:43 +0100 |
| In-reply-to: | <[email protected]> |
| References: | <5010F8F002AC4F598A01115AA882C5CD@White> <[email protected]> <EDA2083F66BD457097AA0A077AD7B2F2@White> <002401cba55d$47d7fcf0$8d01a8c0@JAYDELL> <1EDC8A62B7414B45AA7725E81BB5111F@White> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> |
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Hello Stefan, Chris, and the group, Chris wrote: >Actually, I think they invented it for good economic reasons. I think it's got to the point where it's cheaper to have two power wires plus two signal wires going from the dashboard to the back of the car, rather than the traditional wiring loom for tail lights, brake lights, indicators, and maybe rear screen heater, wiper and washer. <Exactly that's it: Minimize the amount of copper wiring. Microcontrollers with integrated CAN bus controller (that's one of the networks widely used in cars) are incredibly cheap these days. Furthermore, having all those controllers connected to one common 'bus' (or, at least in German cars, two buses) simplifies testing... as long as the bus (network) itself isn't the reason for other trouble ;-) . [but it keeps hundreds of software developers employed, hi] Cheers, Wolf DL4YHF . |
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