[time-nuts] GPIB, Proloigix, cables

Prologix support at prologix.biz
Sun Jan 27 11:33:33 EST 2013


Hi Jim,

We recommend starting with the procedure described in the FAQ to verify
connectivity:
http://prologix.biz/gpib-ethernet-1.2-faq.html

Regards,
Abdul

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Jim Lux
Sent: Sunday, January 27, 2013 8:16 AM
To: Discussion of precise time and frequency measurement
Subject: [time-nuts] GPIB, Proloigix, cables

I spent a couple frustrating hours debugging a test setup with programmable
power supplies and counters (to make automated measurements of freq/Vtune on
some VCOs, as well as "Vsupply pushing")

I'm using something hacked from the sample Python code  and the Prologix
Ethernet device (which has been wonderful for the past few years), but this
time it was a positive ordeal.  I would get timeouts and error messages back
from the devices.

Turns out that I had one bad cable and one with a little piece of paper that
had gotten into the connector when mating it.

So.... is there some sort of systematic test scheme using the Prologix that
can be used to check out a setup?  Or using John Miles's Prologix
Configurator to exercise it.

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