Re: Digitel Ion Pump Controllers

[jpq@radish.dnd.aps.anl.gov (John Quintana)]

> 
> 
> Tim Mooney asked that I post a message about interfacing
> the Perkin-Elmer Digitel Ion Pump Controllers to EPICS.
> 
> In a word.... RS232.  The GPIB Interface doesn't work.
> Maybe from an 8088 machine it will, but our IOCs pound
> it too quickly and it dies. Why IEEE-488 handshaking is
> not properly implemented I do not know.  Perhaps by now
> PE has reapired it, but I doubt it...
> 
> But wait there's a catch...... The RS232 doesn't work 
> either, and least not the way it comes from PE.... You
> have to do an EPROM upgrade to the Digitel itself...
> 
> Here's how
> 
... lots deleted ...

For those running the Varian Multivac controller, we have been
reading and controlling these via a Linux box interface and
the whole system seems to be very stable.  

- John


-- 
John Quintana                          Internet email: jpq@nwu.edu
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