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Models 2601A, 2602A, 2611A, 2612A, 2635A, 2636A
Models 2601B, 2602B, 2604B, 2611B, 2612B, 2614B, 2634B, 2635B, 2636B
What is the firm ware of your SMU? There could be in compatibility between your USB and the FW that the USB is not recognizable.
This could also be due to how the script was written to save the data to the USB.
This could also be due to erroneous port as you suggested. Try to debug the first two first before deeming the unit faulty.
We have been able to identify 2 possible reasons: FAT16 (on an old 32MB USB stick) and hot-plugging the USB stick. In both cases it never works.
Using an 8GB device with FAT32, which had to be plugged in before power-on, we were successful.
Trying the same with a 32GB device led to unstable behaviour. Sometimes the SMU locked-up completely. Even removing the USB stick did not help. Only power-off.
http://www.keithley.com/support/keidoc_ ... e=Firmware
- Keithley Applications
- Posts: 204
- Joined: May 18th, 2012, 12:12 pm
- Country: United States
- Location: Cleveland, Ohio
USB flash drive functionality has been greatly expanded in the latest B version of the 2600 series SMU product line. This is planned to be rolled back into the A version in the future.
The new firmware version 2.2.4 for Series 2600A is available for download here:
This enhancement will support many USB flash drive models that the instrument could not previously recognize or access.
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