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LArIAT Run 2 Shifter Instructions » History » Version 87

Jason St. John, 04/07/2016 05:20 PM

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h1. LArIAT Run 2 Shifter Instructions
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*_Remember to call MCR (x3721) at the beginning and ending of each shift!!!_*
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Main Control Room (internationally) +1.630.840.3721
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h2. Please don't hesitate to contact the experts when something doesn't look right!!!
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%{color:red}"Troubleshooting Problems":https://cdcvs.fnal.gov/redmine/projects/lariat-online/wiki#Troubleshooting%
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[[Before your first shift at LArIAT]] Check here so you're ready.
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h1.  %{color:green}At the start of the shift%
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* In the LArIAT "e-log":http://dbweb6.fnal.gov:8080/ECL/lariat/E/index, fill out the *Start of Shift Checklist*
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* Find out from the shifter before you if there are any issues.
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* Refresh and read the "Run Plan":https://redmine.fnal.gov/redmine/projects/lariat-online/wiki/Run_Plan:
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** what beam request LArIAT wants
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** any interruptions to expect
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** special conditions or known problems
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h1.  %{color:green}During the shift%
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The shifter is responsible to restart the run if it ends, and to ensure that the data are of the highest quality.
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* If you have questions, call an expert! "LArIAT Call List":https://docs.google.com/spreadsheets/d/1BCeFLgITn6lzCUgPFUd5y_5taIngt-yKgxg8y2l-tNY/edit?usp=sharing
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* Or, you can use Google Hangouts: send an email to lariat.shift@gmail.com to get invitation.
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h2. Starting a new run
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* Open in a new tab [[LArIAT DAQ Instructions]] and follow the instructions to start a new run.
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* The DAQ should make an e-log entry for your automatically. 
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* Special cases:
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** *Change/check the DAQ configuration* see "DAQ Configuration Instructions":https://redmine.fnal.gov/redmine/projects/lariat-online/wiki/1495ShifterInstructions
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** *Changing gain or filter times* in the ASICS: check that there was [[Teensy Output]] in the initialization spew from the DAQ.
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h2. During an ongoing run
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* Monitor the beam status using the instructions in the "Using ACNET for monitoring":https://redmine.fnal.gov/redmine/projects/lariat-online/wiki/Using_ACNET_for_monitoring, namely 
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** the *S60* page of ACNET and 
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** the profile plots for *MC7WC1* and *MC7WC2*.
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** From ~ftbf_user/acnet or ~lariat/acnet, run @./LArIATViewer.sh@ to open the Synoptic displays.
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* "Run Status Webpage":http://lariat-wbm.fnal.gov/lariat/run-alert.html to monitor the run status (run number, number of spills, number of triggers, etc)
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** Note that, on the Run Status Webpage, %{color:red}if the run time appears red%, and the spills stop increasing, the run has come to a stop.  It will also speak an audible alert, once.
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** In order to get it running again, you can issue the 'lariatReset' command in the DAQ terminal, followed by 'go'.
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** Sometimes the Run Status page freezes. If this happens, see if your DAQ command line has reset. If so, the run has ended. Follow above instructions.
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** Did the run number fail to increment?  If the number has reset to a low number such as 1 stop the run and then edit /opt/lariat-online/config/runNumber.dat to correct the run number. Start new run after.
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* "Online DQM":http://lariat-dqm.fnal.gov/ to check basic data integrity. 
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** "Data Stream":http://lariat-dqm.fnal.gov/metrics/data-stream
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* Use the event viewer to see TPC events. See "Event Viewer Instructions":https://cdcvs.fnal.gov/redmine/projects/lariat-online/wiki/Event_viewers . If you +decide to post some interesting event+ in the e-log, +please write the number of the spill/event in the title or content of the entry+. It's much easier to search for them later!
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* Useful: "Recent run history":http://lariat-wbm.fnal.gov/wbm/servlet/LariatRunSummary
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h1. Troubleshooting Problems
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* Most problems solved: "Troubleshooting Page":https://cdcvs.fnal.gov/redmine/projects/lariat-online/wiki#Troubleshooting 
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* Still need help? "Call an expert":https://docs.google.com/spreadsheets/d/1BCeFLgITn6lzCUgPFUd5y_5taIngt-yKgxg8y2l-tNY/edit?usp=sharing
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* If a VME Power Supply has to be turned off in an emergency situation (e.g. problem with TPC PMTs) - turn off the regulate function first, then put the decreasing voltage values in the quick ramp window, go to 0 and then turn off!
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h1.  %{color:green}At the end of the shift%
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* Make an entry in the e-Log using the form "Shift Summary" summing up the relevant information from the shift. For any other information to be posted in the e-Log during the shift use the "default" form. 
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 *_Remember to call MCR at the beginning and ending of each shift!!!_*
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h1. *_Remember to call MCR at the beginning and ending of each shift!!!_*