Experimental Physics and Industrial Control System
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For the record:
The root of the problem appears to be that the new IOC contains a record (added in R2-7) for the x-ray energy, $(P)$(R)Energy which did not exist in the previous IOC.
The default value for this record is 20 KeV.
This value is used by camserver to generate a flat field correction file. On this Pilatus at least, the value 20 KeV generates a bad flat field correction file.
Thanks to Mark Rivers for his help in debugging this.
John Dobbins
We have a number of DECTRIS PILATUS detectors for which I recently added an up-to date areaDetector installation.
Previously these detectors were using areaDetector R1-9-1, EPICS Base R3.14.11
I added areaDetector R3-9, EPICS Base R3.15.8
These are the three detector and their tvx versions - note that the 100K tvx version is different.
PIL 100K tvx-7.3.13.121212b
PIL 200K tvx tvxe-7.4.01-130212
PIL 300K tvx tvxe-7.4.01-130212
The 200K and 300K are working fine with the new software, however the 100K is not.
The image from the PIL 100K looks like this:
The first 26 rows appear fine, i.e. pixels typically show tens of counts, then in row 27 pixels with very large numbers and pixels with zero start appearing.
Neither the IOC nor camserver is reporting errors.
The PILATUS 100K continues to work as expected with the old areaDetector installation.
Any ideas on how to proceed?
Research Support Specialist
Cornell High Energy Synchrotron Source
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ANJ, 06 Oct 2020 |
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