A bit further to Ulrich's point... one area where I had some problems
using serial/gpib converters in the old days, and I think that at least
early versions of the Prologix USB unit suffered from, is talking to
multiple instruments off the same GPIB controller. I never found a
satisfactory
On 7/6/09 5:37 AM, John Ackermann N8UR j...@febo.com wrote:
Of course, an alternative is to assign one USB or LAN GPIB unit to each
instrument, but that gets expensive.
Yes, if you're scrounging old test equipment for $100 a copy. If you have
chunks of gear that cost $10K each, then
The Prologix adapter has a ++addr command for changing the GPIB address. You
can select different instruments that way.
Unfortunately, the version I looked seems to have a potentially fatal flaw.
When you change the ++addr, the device writes the internal microprocessor
EEPROM. The
++addr commands per second.
Only 4 days @24h/day to reach the limit :-/
-Message d'origine-
De : time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] De
la
part de Mark Sims
Envoyé : lundi 6 juillet 2009 18:54
À : time-nuts@febo.com
Objet : [time-nuts] Prologix GPIB-USB
Hi Mark,
Mark Sims wrote:
The Prologix adapter has a ++addr command for changing the GPIB address. You
can select different instruments that
way.
Unfortunately, the version I looked seems to have a potentially fatal flaw.
When you change the ++addr, the device
writes the internal
Gents,
as you know I have tried in my utility EZGPIB to supply the user with high
level functions for data communications which keep him away from the low
level tasks of direct communication with the interface. Since EZGPIB not
only supports the Prologix products (USB LAN) but also GPIB32.DLL
