Re: gEDA-user: gEDA for terminal strip layout?

[Peter Clifton <pcjc2@xxxxxxxxx>]

On Sat, 2008-10-18 at 13:26 -0700, Joerg wrote:
> Steve M. Robbins wrote:
> > Hi,
> > 
> 
> Just for the record: I have a lot of CAD experience but gschem is also 
> very new to me so I can only tell you what's customary. I am sure gschem 
> can do all this but for now someone else would have to explain how.
> 
> 
> > I'm new to the electronic circuit design world and just went through
> > the gschem and pcb tutorial on seul.org.  In my case, however, the
> > output is not a PCB, but a terminal strip using DIN rail components;
> > e.g. connector blocks from Phoenix Contact
> > (http://www.phoenixcontact.ca/)
> > 
> > My dilemma is: for design purposes I'd like to create a nice simple
> > circuit diagram of the kind created by pschem; however, for actually 
> > building the device I need a second diagram showing the terminal blocks
> > and connections between them.  I'm leery of maintaining two separate
> > diagrams and would like to have the second generated semi-automatically
> > from the first, much like the PCB layout is generated from the schematic.
> > 
> 
> That is not customary. You normally have three sets of documents:
> 
> a. Bare board docs: These are the Gerber, fab instructions etc.

The OP was asking about schematics for industrial cabinet wiring, as far
as I could tell. DIN rail, contactors etc...

There are some useful symbols for power systems designed by Jacek
Plucinski here:

http://jacek-tools.110mb.com/


There isn't any automated layout tool in gEDA designed for cabinet
wiring with physical objects. (I haven't heard of any commercially
either, but that doesn't mean there aren't any).

[snip]

> If you really want to do it (and I also have, showing fiber-optic lines 
> on a board that were not part of the electronics) you could draw those 
> lines on a secondary layer. CAD systems and probably also gschem have 
> several drafting layers. Layers for nets, busses, pins, symbols, plus 
> usually some for text and graphics. Use one that is not going to show up 
> in the netlist and draw your hookup wiring there.

Gschem doesn't have layers. It does have different style classes for
line colours, but nothing like Autocad etc.

Best wishes,
> 
-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)



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