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.
