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LArIAT Run 2 Shifter Instructions » History » Version 82

Jason St. John, 04/07/2016 05:03 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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[[How to set up your shift station]]
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h2.  %{color:green}At the start of the shift%
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* In the LArIAT e-log, 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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h2.  %{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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h3. 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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h3. 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
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Most problems solved: "Troubleshooting Page":https://cdcvs.fnal.gov/redmine/projects/lariat-online/wiki#Troubleshooting doesn't 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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h2.  %{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 (make sure to include the total trigger counts for the V1751s and V1740s). For any other information to be posted in the e-Log during the shift use the "default" form. 
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* IF NO SHIFTER IS TAKING OVER FROM YOU
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# Call MCR to stop the beam 
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h2. *_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!!!_*