[PCB_FORUM] Re: Schematic drafting practices

Please take this offline .......................

-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of FrankW
Sent: Monday, March 30, 2009 1:25 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Schematic drafting practices


Hi Bill
No offense but.....
Being on-line and using CAD to produce PDF documents
does not mean one has license produce "incomplete", crappy, difficult to 
fricken
read schematics!  It's supposed to be better not worse....... sheeze

The Schematic drawing doesn't belong to the Eng, They belong to the company
and anyone else who has to interpret or read it.
Funny how the Eng;s are getting away with this. If it was me producing 
poorly
drawn documents, I'd be out of a job years ago.

Try to submit incomplete,crappy drawings to the medical and military.
Go ahead try it,  I dare ya!  In jest of coarse  :-)



Bill Dempsey wrote:
> I would like to hear from those who have done this more recently than the
> last 5 years. Technology is changing! Everyone is online now.
> I have *not* seen service guys hunting p/g pins since before 2000!  It's NOT
> been an issue for us and our designs are in use world-wide.
> Time to change philosophy?
>
> -----Original Message-----
> From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
> [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Austin Franklin
> Sent: Monday, March 30, 2009 12:30 PM
> To: icu-pcb-forum@xxxxxxxxxxxxx
> Subject: [PCB_FORUM] Re: Schematic drafting practices
>
> Hi Alan,
>
> Exactly!  I've also been in field service, and yes, that information is
> critical, whether in a printed manual, or in PDF.  It also points out uses
> for the schematics other than simply generating a netlist.  And that this
> use may not entail the native tool used to draw the schematics.  Making the
> schematics more useful for all the intended (and sometimes unintended)
> purposes is very important, IMO.
>
> Regards,
>
> Austin
>
>   
>> -----Original Message-----
>> From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
>> [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of Ritter, Alan
>> Sent: Monday, March 30, 2009 11:17 AM
>> To: icu-pcb-forum@xxxxxxxxxxxxx
>> Subject: [PCB_FORUM] Re: Schematic drafting practices
>>
>>
>> Just out of curiosity, what about field service guys who may not
>> have ready access to online (on-disc) .pdf files?  Having all
>> information available in the schematic as either a table or
>> explicit pinouts seems critical for field service activities.
>>
>> (Grated, my viewpoint is from that of a medical capital equipment
>> manufacturer with a field service force, not a manufacturer of
>> consumer goods that are throwaways and never "fixed" in the normal sense.)
>>
>> /s/jar (Alan Ritter, alan.ritter@xxxxxxxxxx)
>>         http://www.mtritter.org
>>
>>
>> Just a few comments from my side of the world. I have to use my own
>> schematics in the lab as I am the EE who is forced to use his own work
>> (schematics, layouts, silkscreen!!, documentation).  I *never* use the
>> power/ground table nor do I use the individual pinned out symbols
>> -- in the
>> case where the symbol is huge (FPGA, processor).  I use PDF!  I hotlink
>> everything in the lab to PDF now and have monitors around where
>> online data
>> (local, www) is at your fingertips.  When using OrCAD, the P/G for large
>> symbols is placed as its own part with individual pins.  In Concept, the
>> hidden P/G through size is used with and without the table. Tables are no
>> longer generated as we find they are a waste of time. For small analog
>> parts, the VCC/GND pins are individually instantiated.
>>
>> Over the last 25 yrs I have seen schematics change from draftsman-drawn
>> blueprints to modern CAD schematics.  I know what *hands-on* guys
>> are using
>> in the lab.  I've managed labs. I've debugged.  I've layed out.
>> I've built
>> symbols.  Power and Ground needs to be your company philosophy --
>> but don't
>> force something on someone until YOU'VE used your own documentation RULES
>> and learned the pros and cons of the rules.
>>
>> BD
>>
>>
>>
>>
>>
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