Re: Problems plotting to 7470.exe ("missing comma")

Peter Baltus wrote:

"John Miles, KE5FX" <jmiles@xxxxxxxxx> wrote in message news:81e1921d-752f-4e75-8ab6-31f9f360a41b@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
On Dec 9, 5:32 pm, Joerg <notthisjoerg...@xxxxxxxxxxxxxxxxxxxxx>
wrote:
It's been a long time since I dealt with HPGL but the only problem ever
was a missing "pen down" command which had to be added by hand. What's
this missing comma business?

Hi, Joerg --

Sorry for the cryptic messages and poor error handling. The human-
factors team will be disciplined accordingly. :)

Usually the "missing comma, malformed data" message means that you
haven't set your instrument up for HPGL output at all; it is either
configured to talk to a non-HP plotter, or it's sending PCL or Epson
printer codes instead of HPGL. I looked at the .plt file in the
zipfile you linked to elsewhere, and that appears to be what's going
on.

I don't have a 3577A myself, but at some point, someone reported that
they were able to get it to work, and sent me a plot from theirs.
It's included in the c:\program files\ke5fx\gpib\sample hpgl files
subdirectory.

I'm always happy to take a look at problematic .plt files if you'll
email them to me via the link in the helpfile. They are usually easy
enough to diagnose... although that renderer is a major kludge, so
there isn't always a way to make plots from specific instruments look
good.

"gmail" domain blocked because of excessive spam.
Use another domain or send PM.

I don't have any other way to post to Usenet these days; if he doesn't
get this message, can someone please reply and quote the whole thing?

--- done ---

-- john, KE5FX


Thanks, John. And also thanks to Peter for making the post appear. As mentioned in another post it works now. It was a pure electrical issue. The Prologix device has too high a threshold voltage and when Abdul sent me code to set the pull-up resistors inside the uC that pulled it over the threshold and I got my first good plot.

John, you have created a nice program to pull data out of older equipment. It's much better than trying to hold a digital camera steady.

--
Regards, Joerg

http://www.analogconsultants.com/

"gmail" domain blocked because of excessive spam.
Use another domain or send PM.
.

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