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Common
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Features
DAQ epicsArch - Archived Data
You can add/remove any data you want in the epicsArchive data group readout.
The path is /cds/group/pcds/dist/pds/tmo/misc/
The tmo file we use is epicsArch_tmo.txt. Let's look at two features of this:
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1. Adding a single variable to the file
Add a comment with a #
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# Power meter at IM2K4 |
Add a pointer name of your choosing with *
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*IM2K4_XrayPower |
For the LCLS2 DAQ, you should also specify which protocol is used to access the PV:
Add the pv PV name specifying whether it is read using channel access (ca), or pv PV access (pva) at the end end
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IM2K4:PPM:SPM:VOLT_RBV ca |
For the LCLS1 DAQ, you only list the PV
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IM2K4:PPM:SPM:VOLT_RBV |
2. Add a whole file with a bunch of variables
You can made make a file with a subset of PVs, give it a meaningful name like epicsArch_vmi.txt for all the vmi variables to record. You can then reference that file with '<' in the main file as below.
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# MPOD/VMI information |
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< epicsArch_vmi.txt |
LCLS2 DAQ
LCLS-II Data Acquisition and Analysis
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Online Analysis Tutorial (AMI) - presented at 2014 SSR/LCLS Users Meeting: LCLS Data Analysis Workshop
DAQ Overview and Online Analysis - presented at 2010 SSRL/LCLS Users Meeting : LCLS Data Analysis Workshop
Online Analysis Design - Matt's presentation for Jan 2012 DAQ Meeting
DAQ Troubleshooting
Trouble Shooting guide for scientists or first level responders.
Pedestals for detector correction
Operating the DAQ
- Editing a configuration
- Selecting detectors for readout
- Starting/stopping a run
- Watching progress of a run
- Running scans
- Running the sequencer
- Configuring the EVR
- Detector timing settings
- Recovering from errors: restarting the DAQ
AMI Online Monitoring
- Online Monitoring GUI
- Using the Online Monitoring GUI
- Writing a plug-in to the Online Monitoring GUI
- Writing a user application (reads from shared memory) (deprecated old C++ psana)
- Online Monitoring and Simulation Using Files (deprecated old C++ psana)
- Writing a user application, offline analysis style (reads from a file) (deprecated old C++ psana)
- XTC playback (a.k.a Offline AMI)
Python Scripting
Overview
Content Tools