7.12 Summer 2022 Work List

1

recover vacuum system by mid-september

• One pump installed under chamber center.
• ECS work pending approval and build of adapter cable.

ami-2 documentation (https://confluence.slac.stanford.edu/display/LCLSIIData/ami) has been supplied to Dhruba Ghosh and Bob Nagler who are testing an Alvium camera at MEC. The CXI test version was updated to deal with the low event numbers per run typical for MEC. Reading of LCLS-1 style XTC files has been verified.

Work to date has been with the offline version. We are planning to use ami-2 on live data

• black cabinet reorganization
• adding another one for cables
• move opal cables from mezzanine to black cabinets and the rest of the newport cables
• think of correct design of flange extension for the cable improvement project
• labeling + inventory

1. check if monitoring sensor in grafana
2. finish the RP integration of the new sensors

• MEC RIS Upgrade Final Design Review scheduled for 16 September 2022 15:00

• received the particle detector
• interface with Melendrez, Cynthia <cymel123@slac.stanford.edu> to get it connected on our side
• ticket for Particle detector here and ticket for RGA here
• discussing about buying a new model which would be integrated in EPICS
• Work pending FY23 budget information.

• check on specs
• test of Alvium (XPP has an Alvium)

• Alvium is installed in Rack R62 using host daq-mec-pgp01.

• The test Alvium camera is back on line. Specifics of connection are:

  • Using production timing.

  • DAQ trigger connection is BNC #11 on PR60 (formerly used and today tested with the electron spectrometer Opal, so known to work).

  • Following https://confluence.slac.stanford.edu/display/PCDS/Detector+timing+settings the pulse delay and width for event code 169 are set to 650 000 ns and 10 000 ns, respectively.

  • The Event Sequencer Sync Marker is set to 1 Hz. The camera damages in the DAQ if this is at 5 Hz or 10 Hz.

  When I manually masked part of the focal plane, the resulting images looked odd. I wonder if there is an issue with how the array is read out? Something to investigate.
• A second short term loaner Alvium is borrowed from XPP. Test pending restoration of timing system.

• check on specs
• gige are not triggered, but needs to be a function of science use

Plan:

• use untriggered Gige cameras for non-DAQ applications
• use triggered Alvium cameras for DAQ.

• IOCs into production mode
• some of our camera hosts (rhel 5 to 7)
• python

• cameras
• motors
• IOC

change of color scheme for laser environment

• Use of EDM screens during Class 4 laser work is difficult!
• Path forward is to use hutch python commands rather than GUIs in this mode.

Comment from ECS Delivery Meeting (15 August 2022):

• Better to use hutch python console instead of GUIs.
• Each motor (should) have a "tweak" method defined for this.
• Docstring:

Control this motor using the arrow keys. Use left arrow to step negative and right arrow to step positive. Use up arrow to increase step size and down arrow to decrease stepsize. Press q or ctrl+c to quit.

Comment from ECS-MEC meeting (15 September 2022):

• Current hutch python support not sufficient for operations - need access to configuration and diagnostic information, also need GUI interface for camera, etc.
• Propose test of alternate color schemes using laser goggles.
• Set up meeting for week of 19 September 2022.