Todd, The minimal quick test would be greatly appreciated if you have the time. I know this is above and beyond what I would expect but it would be really useful to see if there is any hope for the GPIB on this unit. I will do the service note 13 procedure in the morning.
Thanks again, Randy On Sat, Dec 30, 2017 at 8:58 PM, Todd Micallef <tmical...@gmail.com> wrote: > Randy, > > Short of swapping out the A5 digital board I have no other ideas. If you > don't have a NI or Agilent adapter, I am sure I can find a spare for you to > test. > > There is a Service Note 3458A-13A that deals with GPIB communication > failures. There is a test within the document to see if a shorting jumper > needs to be installed. > I can try reducing the code to something minimal for a quick test if you > want. It will take some time in the morning. > > Todd > > On Sat, Dec 30, 2017 at 11:18 PM, Randy Evans <randyevans2...@gmail.com> > wrote: > > > Todd, > > > > Same as before. Still not working. All it does is print out "HP3458A" > on > > the output console and then just sits there. > > > > Randy > > > > On Sat, Dec 30, 2017 at 7:43 PM, Todd Micallef <tmical...@gmail.com> > > wrote: > > > > > Randy, > > > > > > I just remembered that I changed the duration from 30 minutes to 2 > > minutes > > > to speed up the test. I forgot to change it back. > > > > > > Todd > > > > > > On Sat, Dec 30, 2017 at 10:27 PM, Todd Micallef <tmical...@gmail.com> > > > wrote: > > > > > > > Randy, > > > > > > > > I just sent it. I haven't modified Martin's code yet. That can be > done > > > > once you confirm it works for you. > > > > > > > > Todd > > > > > > > > On Sat, Dec 30, 2017 at 10:12 PM, randyevans2688 < > > > randyevans2...@gmail.com > > > > > wrote: > > > > > > > >> Todd, > > > >> If you don't mind, just send the code directly to me. > > > >> Randy > > > >> > > > >> Sent from my Verizon, Samsung Galaxy smartphone > > > >> -------- Original message --------From: Todd Micallef < > > > >> tmical...@gmail.com> Date: 12/30/17 6:40 PM (GMT-08:00) To: > > > Discussion > > > >> of precise voltage measurement <volt-nuts@febo.com> Subject: Re: > > > >> [volt-nuts] GPIB Issue with 3458A > > > >> Randy, > > > >> > > > >> I have not written anything else for the 3458A using EzGPIB. If you > > > have > > > >> a > > > >> National Instruments or Agilent adapters, I have a handful of Python > > > code > > > >> I > > > >> use to measure some of my standards. > > > >> > > > >> If you are reading the temperature from the HP meter, I would think > > that > > > >> the problem lies in how the triggering is configured. The triggering > > has > > > >> been changed in this script so it may work for you. There was an > > > >> additional > > > >> command added for disabling the buffer. > > > >> The code can be posted here, if possible or I can email it to you > for > > > >> testing. > > > >> > > > >> Todd > > > >> > > > >> On Sat, Dec 30, 2017 at 9:26 PM, randyevans2688 < > > > randyevans2...@gmail.com > > > >> > > > > >> wrote: > > > >> > > > >> > Todd, thanks for the help. Where will you post the new code? > > > >> > BTW, do you have any very simple code that is likely to work. I > am > > > >> > interested in seeing if anything other than KE5FX's memory dump > > > program > > > >> > will work on my HP3458A. > > > >> > Thanks again, > > > >> > Randy > > > >> > > > > >> > Sent from my Verizon, Samsung Galaxy smartphone > > > >> > -------- Original message --------From: Todd Micallef < > > > >> tmical...@gmail.com> > > > >> > Date: 12/30/17 6:13 PM (GMT-08:00) To: Discussion of precise > > voltage > > > >> > measurement <volt-nuts@febo.com> Subject: Re: [volt-nuts] GPIB > > Issue > > > >> with > > > >> > 3458A > > > >> > Randy, > > > >> > > > > >> > I found the Prologix adapters and have modified the code in the > > > original > > > >> > script. I am doing a test run now and will post the script when I > am > > > >> > certain I didn't make it worse. > > > >> > > > > >> > Todd > > > >> > > > > >> > On Sat, Dec 30, 2017 at 7:15 PM, Randy Evans < > > > randyevans2...@gmail.com> > > > >> > wrote: > > > >> > > > > >> > > Todd, > > > >> > > > > > >> > > I have swapped cables, moved the Prologix adapter to both meters > > > >> (Agilent > > > >> > > works, HP doesn't), tried Martins code as well as Xdevs's. I > have > > > not > > > >> > > tried another PC yet, maybe the next step. > > > >> > > > > > >> > > Here is the code that Martin modified for two meters, as well as > > the > > > >> > > modified Xdev's code per your directions (V1.02). > > > >> > > > > > >> > > Thanks, > > > >> > > > > > >> > > Randy > > > >> > > > > > >> > > On Sat, Dec 30, 2017 at 3:55 PM, Todd Micallef < > > tmical...@gmail.com > > > > > > > >> > > wrote: > > > >> > > > > > >> > > > Randy, > > > >> > > > > > > >> > > > I will continue to look for my adapter. I haven't used it for > > > quite > > > >> a > > > >> > > > while. > > > >> > > > > > > >> > > > I have seen similar issues and swapped cables, moved the > adapter > > > to > > > >> the > > > >> > > > other meter, etc... One of my cables was bad from one side of > > the > > > >> > > connector > > > >> > > > to the other (on the same end of the cable) and caused me lots > > of > > > >> > wasted > > > >> > > > time. Weird reading errors were happening. > > > >> > > > > > > >> > > > Would you email me Martin's code so I can test it here and I > > will > > > >> see > > > >> > if > > > >> > > > anything can be done to replicate your issue. > > > >> > > > > > > >> > > > Todd > > > >> > > > > > > >> > > > > > > >> > > > On Sat, Dec 30, 2017 at 6:42 PM, Randy Evans < > > > >> randyevans2...@gmail.com > > > >> > > > > > >> > > > wrote: > > > >> > > > > > > >> > > > > Todd, > > > >> > > > > > > > >> > > > > I tried adding the line but it made no difference. > > > >> > > > > > > > >> > > > > Randy > > > >> > > > > > > > >> > > > > On Sat, Dec 30, 2017 at 12:19 PM, Randy Evans < > > > >> > > randyevans2...@gmail.com> > > > >> > > > > wrote: > > > >> > > > > > > > >> > > > > > Todd, > > > >> > > > > > > > > >> > > > > > Does it matter where I put the line in the Init_Device > > > >> procedure? > > > >> > > > > > > > > >> > > > > > > > > >> > > > > > procedure Init_Device; > > > >> > > > > > begin; > > > >> > > > > > EZGPIB_BusWriteData(gpib_address,GET_ID); > // > > > Get > > > >> ID > > > >> > of > > > >> > > > > meter > > > >> > > > > > if EZGPIB_BusWaitForData(gpib_ > address,meter_id,Timeout) > > > then > > > >> > > > > > EZGPIB_ScreenWriteLn(meter_id); > > > >> > > > > > > > > >> > > > > > EZGPIB_BusWriteData(gpib_address,TRIGGER_SOURCE); > // > > > Hold > > > >> > > > trigger > > > >> > > > > > until meter can be setup > > > >> > > > > > EZGPIB_BusWriteData(gpib_address,'INBUF ON'); > > > >> > > > > > EZGPIB_BusWriteData(gpib_address,AUTO_ZERO); > > > >> > > > > > EZGPIB_BusWriteData(gpib_address,OUTPUT_FORMAT); > > > >> > > > > > end; > > > >> > > > > > > > > >> > > > > > > > > >> > > > > > Randy > > > >> > > > > > > > > >> > > > > > On Sat, Dec 30, 2017 at 11:20 AM, Todd Micallef < > > > >> > tmical...@gmail.com > > > >> > > > > > > >> > > > > > wrote: > > > >> > > > > > > > > >> > > > > >> Randy, > > > >> > > > > >> > > > >> > > > > >> I am the person that wrote that EzGPIB script. It was my > > > first > > > >> > > before > > > >> > > > I > > > >> > > > > >> moved on to Python and I have only written a couple for > the > > > >> > > different > > > >> > > > > >> meters I have on hand. Version 1.01 is the most current > > > >> version I > > > >> > > have > > > >> > > > > for > > > >> > > > > >> the 3458A. > > > >> > > > > >> I see that I should have added at least one more command > to > > > the > > > >> > > meter > > > >> > > > > >> initialization. The additional init command is used in > the > > > >> > scripts > > > >> > > on > > > >> > > > > >> xDevs. > > > >> > > > > >> > > > >> > > > > >> Add the following line in the Init_Device procedure > > > >> > > > > >> EZGPIB_BusWriteData(gpib_address,'END ALWAYS'); > > > >> > > > > >> > > > >> > > > > >> This tells the meter to send an EOI on every read. > > > >> > > > > >> > > > >> > > > > >> I am looking for one of my Prologix adapters or I would > > test > > > >> this. > > > >> > > > When > > > >> > > > > I > > > >> > > > > >> find it, I will also test it. I want to make sure there > are > > > no > > > >> > > further > > > >> > > > > >> issues. > > > >> > > > > >> Also, do both meters run the same firmware versions? I > > wonder > > > >> if > > > >> > the > > > >> > > > HP > > > >> > > > > >> meter is using a much older version. > > > >> > > > > >> > > > >> > > > > >> Todd > > > >> > > > > >> > > > >> > > > > >> On Sat, Dec 30, 2017 at 10:42 AM, Randy Evans < > > > >> > > > randyevans2...@gmail.com > > > >> > > > > > > > > >> > > > > >> wrote: > > > >> > > > > >> > > > >> > > > > >> > Todd, > > > >> > > > > >> > > > > >> > > > > >> > I have version 1.01. Yes, please e-mail me your > modified > > > >> > version. > > > >> > > > > >> Maybe it > > > >> > > > > >> > will help. > > > >> > > > > >> > > > > >> > > > > >> > Thanks, > > > >> > > > > >> > > > > >> > > > > >> > Randy > > > >> > > > > >> > > > > >> > > > > >> > On Sat, Dec 30, 2017 at 4:24 AM, Todd Micallef < > > > >> > > tmical...@gmail.com > > > >> > > > > > > > >> > > > > >> > wrote: > > > >> > > > > >> > > > > >> > > > > >> > > Randy, > > > >> > > > > >> > > > > > >> > > > > >> > > Is there a version number at the top of the file? I > had > > > two > > > >> > > > versions > > > >> > > > > >> > (1.00 > > > >> > > > > >> > > and 1.01). I can't remember all that changed between > > the > > > >> two > > > >> > > since > > > >> > > > > it > > > >> > > > > >> has > > > >> > > > > >> > > been a while but I did find an additional timeout > code > > > that > > > >> > > > limited > > > >> > > > > >> the > > > >> > > > > >> > > wait time for reading data to 1 minute. I am > guessing I > > > >> had a > > > >> > > > > problem > > > >> > > > > >> > with > > > >> > > > > >> > > mine and added it. > > > >> > > > > >> > > > > > >> > > > > >> > > I can email it to you if you want to try it. If it > > works > > > >> for > > > >> > > you, > > > >> > > > I > > > >> > > > > >> will > > > >> > > > > >> > > have Illya update it on xDevs. > > > >> > > > > >> > > > > > >> > > > > >> > > Todd > > > >> > > > > >> > > > > > >> > > > > >> > > On Sat, Dec 30, 2017 at 12:39 AM, Randy Evans < > > > >> > > > > >> randyevans2...@gmail.com> > > > >> > > > > >> > > wrote: > > > >> > > > > >> > > > > > >> > > > > >> > > > I am still unable to get my HP-3458A to work with > the > > > >> xdevs > > > >> > > > > program > > > >> > > > > >> > > > "HP3458A_Measure_DMM_Noise.488" ( > > > >> > > https://xdevs.com/article/dmm > > > >> > > > > >> _noise/ > > > >> > > > > >> > ). > > > >> > > > > >> > > > It > > > >> > > > > >> > > > works fine with my Agilent 3458A and with a > friend's > > > >> > HP-3458A > > > >> > > > and > > > >> > > > > >> his > > > >> > > > > >> > > > Agilent 3458A using the EZGPIB program. The SW > > > versions > > > >> are > > > >> > > > > >> identical > > > >> > > > > >> > > with > > > >> > > > > >> > > > my friend's DMMs, the HP units are (8.2) and with > the > > > >> > Agilent > > > >> > > > > units > > > >> > > > > >> are > > > >> > > > > >> > > > (9.2). However, both of my units work fine with > the > > > >> KE5FX > > > >> > > GPIB > > > >> > > > > >> Toolkit > > > >> > > > > >> > > > HP3458.EXE program to download the NVRAM CAL data. > > > This > > > >> > would > > > >> > > > > seem > > > >> > > > > >> to > > > >> > > > > >> > > > indicate that my HP-3458 GPIB works at least > > partially. > > > >> > > > > >> > > > > > > >> > > > > >> > > > Does anyone have a EZGPIB program that I could try > to > > > run > > > >> > > (that > > > >> > > > is > > > >> > > > > >> > > > different from the Xdev program)? It would be nice > > to > > > >> see > > > >> > if > > > >> > > I > > > >> > > > > >> could > > > >> > > > > >> > get > > > >> > > > > >> > > > something to work other than the HP3458.EXE > program. > > > Or > > > >> if > > > >> > > any > > > >> > > > > one > > > >> > > > > >> has > > > >> > > > > >> > > > some ideas on what to look for. > > > >> > > > > >> > > > > > > >> > > > > >> > > > Thanks, > > > >> > > > > >> > > > > > > >> > > > > >> > > > Randy Evans > > > >> > > > > >> > > > > > > >> > > > > >> > > > On Tue, Dec 26, 2017 at 7:24 PM, Randy Evans < > > > >> > > > > >> randyevans2...@gmail.com > > > >> > > > > >> > > > > > >> > > > > >> > > > wrote: > > > >> > > > > >> > > > > > > >> > > > > >> > > > > I am hoping some of you experts might be able to > > > assist > > > >> > > with a > > > >> > > > > >> > strange > > > >> > > > > >> > > > > problem i am having trying to make automated > > > >> measurements > > > >> > > > using > > > >> > > > > >> > EZGPIB > > > >> > > > > >> > > > with > > > >> > > > > >> > > > > an Agilent and an HP 3458A. I have a program > given > > > to > > > >> me > > > >> > by > > > >> > > > > >> Martin > > > >> > > > > >> > > > > Reynolds, which is a variant on the Xdevs noise > > > >> > measurement > > > >> > > > > >> program. > > > >> > > > > >> > > > > Martin's program continuously reads the voltage > > > >> > measurements > > > >> > > > > >> > > sequentially > > > >> > > > > >> > > > > from the two meters and then stores then in a > > > >> measurements > > > >> > > > file, > > > >> > > > > >> > along > > > >> > > > > >> > > > with > > > >> > > > > >> > > > > the temperature measurements from both meters. > The > > > >> > program > > > >> > > > > works > > > >> > > > > >> > fine > > > >> > > > > >> > > on > > > >> > > > > >> > > > > his Agilent and HP 3458As. > > > >> > > > > >> > > > > > > > >> > > > > >> > > > > On my two 3458As, it takes the temperature > > > measurements > > > >> > just > > > >> > > > > fine > > > >> > > > > >> but > > > >> > > > > >> > > > only > > > >> > > > > >> > > > > takes a voltage measurement from the Agilent > unit. > > > >> The HP > > > >> > > > unit > > > >> > > > > >> will > > > >> > > > > >> > > not > > > >> > > > > >> > > > > make any voltage measurements although I can see > > both > > > >> the > > > >> > > > 3458As > > > >> > > > > >> in > > > >> > > > > >> > > talk > > > >> > > > > >> > > > > states and, of course, it does sent the > temperature > > > >> > > > > measurements. > > > >> > > > > >> > > > However, > > > >> > > > > >> > > > > if I turn the HP unit off and then on again, the > HP > > > >> will > > > >> > > start > > > >> > > > > to > > > >> > > > > >> > take > > > >> > > > > >> > > > > voltage and temperature measurements and send > them > > to > > > >> the > > > >> > > PC. > > > >> > > > > >> > > > > > > > >> > > > > >> > > > > Any ideas on what might be causing the strange > > > >> behavior? > > > >> > > > > >> > > > > > > > >> > > > > >> > > > > Thanks, > > > >> > > > > >> > > > > > > > >> > > > > >> > > > > Randy Evans > > > >> > > > > >> > > > > > > > >> > > > > >> > > > _______________________________________________ > > > >> > > > > >> > > > volt-nuts mailing list -- volt-nuts@febo.com > > > >> > > > > >> > > > To unsubscribe, go to > https://www.febo.com/cgi-bin/ > > > >> > > > > >> > > > mailman/listinfo/volt-nuts > > > >> > > > > >> > > > and follow the instructions there. > > > >> > > > > >> > > > > > > >> > > > > >> > > _______________________________________________ > > > >> > > > > >> > > volt-nuts mailing list -- volt-nuts@febo.com > > > >> > > > > >> > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > > >> > > > > >> > > mailman/listinfo/volt-nuts > > > >> > > > > >> > > and follow the instructions there. > > > >> > > > > >> > > > > > >> > > > > >> > _______________________________________________ > > > >> > > > > >> > volt-nuts mailing list -- volt-nuts@febo.com > > > >> > > > > >> > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > > >> > > > > >> > mailman/listinfo/volt-nuts > > > >> > > > > >> > and follow the instructions there. > > > >> > > > > >> > > > > >> > > > > >> _______________________________________________ > > > >> > > > > >> volt-nuts mailing list -- volt-nuts@febo.com > > > >> > > > > >> To unsubscribe, go to https://www.febo.com/cgi-bin/m > > > >> > > > > >> ailman/listinfo/volt-nuts > > > >> > > > > >> and follow the instructions there. > > > >> > > > > >> > > > >> > > > > > > > > >> > > > > > > > > >> > > > > _______________________________________________ > > > >> > > > > volt-nuts mailing list -- volt-nuts@febo.com > > > >> > > > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > > >> > > > > mailman/listinfo/volt-nuts > > > >> > > > > and follow the instructions there. > > > >> > > > > > > > >> > > > _______________________________________________ > > > >> > > > volt-nuts mailing list -- volt-nuts@febo.com > > > >> > > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > > >> > > > mailman/listinfo/volt-nuts > > > >> > > > and follow the instructions there. > > > >> > > > > > > >> > > > > > >> > > _______________________________________________ > > > >> > > volt-nuts mailing list -- volt-nuts@febo.com > > > >> > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > > >> > > mailman/listinfo/volt-nuts > > > >> > > and follow the instructions there. > > > >> > > > > > >> > _______________________________________________ > > > >> > volt-nuts mailing list -- volt-nuts@febo.com > > > >> > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > > >> > mailman/listinfo/volt-nuts > > > >> > and follow the instructions there. > > > >> > _______________________________________________ > > > >> > volt-nuts mailing list -- volt-nuts@febo.com > > > >> > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > > >> > mailman/listinfo/volt-nuts > > > >> > and follow the instructions there. > > > >> > > > > >> _______________________________________________ > > > >> volt-nuts mailing list -- volt-nuts@febo.com > > > >> To unsubscribe, go to https://www.febo.com/cgi-bin/m > > > >> ailman/listinfo/volt-nuts > > > >> and follow the instructions there. > > > >> _______________________________________________ > > > >> volt-nuts mailing list -- volt-nuts@febo.com > > > >> To unsubscribe, go to https://www.febo.com/cgi-bin/m > > > >> ailman/listinfo/volt-nuts > > > >> and follow the instructions there. > > > >> > > > > > > > > > > > _______________________________________________ > > > volt-nuts mailing list -- volt-nuts@febo.com > > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > > mailman/listinfo/volt-nuts > > > and follow the instructions there. > > > > > _______________________________________________ > > volt-nuts mailing list -- volt-nuts@febo.com > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > mailman/listinfo/volt-nuts > > and follow the instructions there. > > > _______________________________________________ > volt-nuts mailing list -- volt-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/volt-nuts > and follow the instructions there. > _______________________________________________ volt-nuts mailing list -- volt-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
