You need to issue OUT,RS232,ON first, otherwise you won't see it the output
Regards,
David Partridge
-Original Message-
From: volt-nuts-boun...@febo.com [mailto:volt-nuts-boun...@febo.com] On Behalf
Of m k
Sent: 16 January 2013 08:02
To: volt-nuts@febo.com
Subject: Re: [volt-nuts] vSolartron7081 rom reading
Hi Charlie,
partial success, calibrate,refresh worked, the display told me so, but the
calibrate,dump command did not do anything visible.
M K
Date: Tue, 15 Jan 2013 18:08:02 -0800
From: cbl...@centurytel.net
To: volt-nuts@febo.com
Subject: Re: [volt-nuts] vSolartron7081 rom reading
MK,
All you need to do is unplug the jones plug where the key wiring goes
to the circuit board. No need to do any wiring!
Charlie
On 1/15/2013 5:00 PM, J. L. Trantham wrote:
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: volt-nuts-boun...@febo.com [mailto:volt-nuts-boun...@febo.com]
On Behalf Of m k
Sent: Tuesday, January 15, 2013 4:30 PM
To: volt-nuts@febo.com
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: david.partri...@perdrix.co.uk
To: volt-nuts@febo.com
Date: Sun, 13 Jan 2013 17:14:07 +
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: volt-nuts-boun...@febo.com
[mailto:volt-nuts-boun...@febo.com]
On Behalf Of m k
Sent: 13 January 2013 16:57
To: volt-nuts@febo.com
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
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