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Aligent How to Debug an Can Bus ?
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marinettejoe
#1 Posted : Monday, April 14, 2008 9:51:48 AM(UTC)
marinettejoe

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Aligent has an excellent writeup on the use of their product on debugging CANBUS systems.
http://cp.literature.agi...tweb/pdf/5989-5049EN.pdf
Unzinced ships sink at slips. yep
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SORRYDOG2
#2 Posted : Monday, April 14, 2008 5:19:49 PM(UTC)
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How the Dive Yacht coming along?? Need more frequent reports. Sorrydog
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marinettejoe
#3 Posted : Wednesday, April 16, 2008 11:35:56 AM(UTC)
marinettejoe

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Not well. The Crusader Rep and Murphy Rep are working together. Murphy's replaced 2 Helmviews and rewired the harness. Doug rose's wiring diagrams are great. Thanks to Doug !!!!!! Crusader is coming out. Right now it's down to the ECU's.

I decided to rethink a couple of things and put the depth circuit on a www.newmarpower.com NewMar 12-12-35I DC power isolator/power conditioner and tie the murphys, depth finder and the radio into it. It'll be the high clean power circuit 20 amp continuous. Should/would have done it anyway.

I really wish that Crusader had screen shielded the J1939 Canbus twisted pair on the harness. The wires run parallel to the helm and back (a classic crosstalk no-no.) UTP is usually OK, but for a run this long a common mode CANBUS choke should also be used.

NMEA2000 has no such issue on the specified cable and doesn't ground loop (when isolated). It's just a much better cabling system versus J1939 Deutsch.

Unzinced ships sink at slips. yep
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