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Keithley DMM7510, SMU 2450 & 2460 problems

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dr.diesel:
Couple quick notes on the latest 1.6.3d FW.

 - I'm still regularly locking up the web interface
 - This morning when I came in the unit it'self was locked up.  Screen was dimmed, it brightened up when I touched it, but no other functions/buttons responded.

Both of the above required an instrument reboot.

Brian from Tek suggested switching from DHCP to Static, which I did prior to the above, so no improvement.  So far no comments from them regarding the AZ issue.

If anyone else is seeing issues, including already mentioned ones, please share them here and on the Tek site:

https://forum.tek.com/viewtopic.php?f=363&t=139083

dr.diesel:
Turns out during all the FW updating my 7510 somehow defaulted to one less digit of precision, but only in SCPI mode, TSP and the display were fine.

Well the good folks at Keithley were kind enough to relay a command (I don't recall this in the manual, but did not verify) that defines the output precision:


--- Code: ---:FORMat:ASCii:PRECision 16
--- End code ---

16 is the max value, which will return 1.000006082692534E+01.    :scared:    :-+

A big thank you to Keithley Tech support.

HighVoltage:
Nice to know about that command, thanks

Since the last FW update, I had no more issues with my 7510 and I am really happy with it.

HighVoltage:
The firmware version v1.6.4c has been released for the 2450, 2460, 2461 SMU and DMM7510
Release Date: Wed, 09/06/2017 - 12:00

I have just updated the FW on both my SMU and they seem to run stable.

https://www.tek.com/source-measure-units/2450-software/2450-firmware-revision-164c-release-notes


Critical Fixes DMM7510
Blue Screen Crash when using the navigation knob.
Models affected:
All 7510 models
Symptom:
Steps to reproduce:
1.   Power cycle the unit.
2.   Press the QUICKSET button.
3.   Change the function to Temperature
4.   Press the MENU key and navigate to the measure settings screen
5.   Change the tranducer to 4-wire RTD
6.   Press the HOME key and go back to the home screen
7.   Press the navigation knob once and the blue screen occurs.
Resolution: This issue has been corrected.

kj7e:
Any updates to report since v1.6.4c Firmware?  Where the BSD crashes addressed?  Any improvement to the A/Z noise?

I have been eyeing the DMM7510 for a Christmas gift (to myself).  Doing my due diligence and trying to read up on all of the reported experiences.

Last question, how has the display been holding up for those who leave the instrument powered on continuously?  Any burn-in, fade, delamination or other issues?

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