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Technical integration and coordination
SASE1 Status and SASE3 Readiness
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Joint Operation and Readiness Logbook, Contact: T.Haas, A. Violante, G. Wellenreuther |
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Message ID: 423
Entry time: 20 Nov 2017, 10:21
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Author: |
Tobias Haas |
Location: |
General |
Severity: |
Information |
Subject: |
Status after 0930 meeting |
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General
- Intensity and availability of beam was good over the weekend
- Large drifts and jitter were observed that are significantly higher than previously
- Beam has two horizontal lobes as if it is too large for the mirrors
Instruments
- SPB:
- Many tasks were achieved during the weekend, e. g. instrument alignment, detector calibration
- Issue with encoders whose cables are close to motor cables persists. These encoders are being disabled
- Rotational SmarACT stages still do not work and are needed for this week's user experiment
- FXE
- At shift start on Saturday after reloading beam parameters there was no beam in the hutch.
- Beam had to be brought back by hand. This was a large effort
- This situation did not repeat on Sunday
- LPD detector had problems: Only one super module correctly recorded data. Comment from S. Hauf: FXE should have called the detector expert
- PP laser synchronisation does not work properly yet: Increments when adjusting timing are too coarse. Scan range is limited to 18ns
Detector
- Detector group was not informed about the LPD issues in FXE.
- AGIPD calibrations were successfully taken on Sunday
ITDM
- Still work is needed for slow data DAQ
- DAQ behaves differently in SPB and FXE. In FXE it appears overloaded and in SPB it works fine
- Comment from CAS:
- Many changes were made in the KARABO framework to allow asynchronous operation
- These changes have to be also pulled through to DAQ. This will only be done during the winter shutdown
- Until then, DAQ is very vulnerable to any delay in the system
CAS
AE
- Currently working on problems with rotational stages in SPB
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