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Information on EMMA DAQ

General info

EMMA DAQ computers

  • midemma01 - main daq computer
  • lxemma01 -EMMA VME processor
  • daq03 - terminal computer on the platform

DAQ instructions

To start the DAQ:

  • login emma@midemma01
  • run "mhttpd -D"
  • open web page https://midemma01.triumf.ca
  • go to the Programs page, start all programs in order
  • go to the Status page, start a run, stop a run

To start the analyzer:

  • login emma@midemma01
  • cd online/ana
  • run ./emmana.exe -g -R8081
  • if a run is active, watch the histograms update every 15 seconds on the canvases
  • open web page: https://midemma01.triumf.ca/rootana/ (tailing slash is important!), watch the histograms on the web, click "monitoring" to enable periodic update.
  • to rebuild the analyzer, edit emma_module.cxx, then run "make". Use "make clean" to remove old object files, etc. Commit changes using "git commit ."


  • Barry
  • Martin

Other info

  • main account: emma@isdaq00