Hi Joe, I am in the UK near Guildford. But give me time to get to the locksmith at the weekend first. And I am going to try just unplugging the cal key too.
Regards, M K > From: [email protected] > To: [email protected] > Date: Tue, 15 Jan 2013 19:00:57 -0600 > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > MK, > > Where are you? If you can't get a key made, I can probably send you one. > > IIRC, you can 'activate' the key by removing a wire from the key switch. > That places it in 'CAL' mode. The schematic easily demonstrates this. I > don't think it was 'shorting' the two switch wires. Of course that requires > you to remove the top of the meter. > > Joe > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of m k > Sent: Tuesday, January 15, 2013 4:30 PM > To: [email protected] > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > I just noticed a gotcha, I need to set the key to calibrate before I may > issue those commands, I guess I need a key. I have printed off the photo and > measurements someone on this board did, now to get to a key shop... > > M K > > > From: [email protected] > > To: [email protected] > > Date: Sun, 13 Jan 2013 17:14:07 +0000 > > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > > If all you want is to save the calibration factors, just issue > > CALIBRATE,DUMP command > > > > To refresh the EAROM calibration factors, issue CALIBRATE,REFRESH - > barring component failure that should be good for another ten years or so. > You can also display the NVM contents with the MONITOR command, but NOT > re-write them. > > > > The only way that I am aware of that will write the caibration constants > if they have been lost is to run a full calibration. > > > > Again all this in chapter 8. > > > > I don't know which ROM programmers that can read or write the ER3400 (just > ignorance - there may be loads). > > > > > > Regards, > > David Partridge > > -----Original Message----- > > From: [email protected] [mailto:[email protected]] > > On Behalf Of m k > > Sent: 13 January 2013 16:57 > > To: [email protected] > > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > > > > Hi David, > > > > well it is currently working and close to calibrated as far as I can tell. > But I want to get those calibration factors saved before it dies on me. Last > calibrated 2008, and well down on drift by now. > > > > I get a diurnal 0.14 microvolt drift with a shorting plug that stays on > when not in use. a drift of about 0.1 microvolts in about 3 weeks. Nothing > else to confirm anything else as I have only just got it chatting out > through the rs232. > > > > I will have to buy something to read them with. > > > > M K > > > > > > _______________________________________________ > > volt-nuts mailing list -- [email protected] To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > > and follow the instructions there. > > _______________________________________________ > volt-nuts mailing list -- [email protected] To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. > > > _______________________________________________ > volt-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
