Hi Chuck: It may be timing. The 85 and the 3478 are old and slow. Have you tried adding wait statements after you send any command to give the 3478 time to think about it? Also it may be good to send <CR><LF><EOI> after each command then do the wait.
Have Fun, Brooke Clarke http://www.PRC68.com http://www.precisionclock.com http://www.prc68.com/I/WebCam2.shtml 24/7 Sky-Weather-Astronomy Cam Chuck Harris wrote: > Hi Gang! > > I just bought a Prologix GPIB <-> USB converter model, version 5.00, > and I am having some problems. It works fine on some of my instruments, > but it just locks up when I hook it to an HP3478A DVM. The DVM is > known good, and works great with my HP85B (doesn't everything?). > > Basically, if I do any commands that require bus activity, the Prologix > locks up and refuses to respond to even the ++ver command. When I unplug > the HP3478A, the Prologix once again finds its happy spot, and responds > normally. > > Any ideas? > > -Chuck Harris > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.