Cabling Software - RF Cafe Forums
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Post subject: Cabling Software
Posted: Tue Oct 17, 2006 10:16 pm
Joined: Tue Oct 17, 2006
Hi I am looking for a cable and harness software.
What I am expecting from the software is the sofware
can generates list of interconnections when we input
the starting and end point.
Posted: Sun Mar 18, 2007 10:47 am
Joined: Tue Dec 26, 2006
I am not sure I exactly understand your question.
However many years ago, back in the days of DOS
(Does Operate Sufficiently) I used Orcad 4 for all
schematic work. I did all the wiring harness schematic
I actually put the contacts for
each connector on the schematic, as well as things
like TB1-3 for barrier strip 1 position 3.
Then set Orcad to put out the netlist as "wirelist".
It is was a nice human readable printout that would
P3-8 TB1-3 AWG 22 white, irrad poly
A4C2-18 TB1-3 AWG 22 white, irrad poly
was easy to put this file output into a spreadsheet.
(I haven't gone anywhere near Orcad since the 90's
so I have no idea what to do today.)
all of your 'interconnections' you would only have
to use the spreadsheet search function to find all
instances of "TB1-3". (Since in my case A4C2-18
would only have one wire attached, but TB1-3 could
I gave this list to the technicians
and they checked off each wire as it was put in
the harness (they measured the length of each wire
the first time and we manually put that in the spreadsheet).
So if they were out one day someone else could pick
up exactly where they left off.
I also then
took the appropriate columns from the spreadsheet,
the start and end terminations, and printed them
to printable heat-shrink.
Each piece of heatshrink
would say something like
Pull this piece of heatshrink off the tractor
feed carrier strip, cut it in half and then we had
the wire identification ready to go on each end
of the wire. Regular old dot matrix impact printer
using a ribbon. The print would smudge very badly
until it was heat-shrunk. Then the ink became permanent
and smudge proof.
If my memory works we were
using Alpha brand F.I.T. printable heatshrink. Never
tried this with ink-jet printers.
advantage after this was all done was that it would
occasionally save a tech from looking so many schematics.
If he was troubleshooting a circuit on A4 connector
C2-18 he could just look at this chart and see that
the wire went to barrier strip 1 position 3. Less
chance of making a mistake than trying to follow
lots of lines around a schematic (had 141 wires
in some of those harnesses, most connectors were
only 6 to 8 pins)
Antiquated ? Yes.
Feature ? Yes.
But it worked well. I got
good at it since we had revisions after every 2
to 4 systems manufactured.
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