How to run the DAQ

Japanese page

If you want to run the DAQ,follow instructions as below.

1)Login e912daq.fnal.gov as root.

2)Change current directory to /t912/ascii

3)Check last run number.

4)Type "jlcdaq",and return. Then jlcdaq will start to take a data.
Ascii file will be generated automatically.
If the last run number is 100,the ascii file name of current run is run0101.asc
The log file also will be generated.its name is like "run0101.log".
And on-line monitor window will appear soon.
You can see the histogram if you double click the name of histogram.

5)When data taking has finished,conversion the ascii file to ntuple will start automatically,and notice message will appear,and run information will be displayed.
Don't forget to write run-sheet and run-summary.

6)To finish the DAQ program,select "Exit" from the file menu of online monitor window.

If you want to change DAQ configuration,or apply trigger selection or other function,Please see This Document.

If you have any problems about taking a data,
check these points,and follow instructions.

1)Check your current directory.
If you aren't in /t912/ascii on e912daq,please move there.

2)Check CAMAC and NIM crates are turned on.
Also check that both crate controllers are switched to on-line mode.you can check it by seeing the front panel of crate controller.

3)Check gate signals are provided to every CAMAC modules correctly.

4)If you still can't run DAQ After trying all of above,turn off the CAMAC Crate,and turn on again,and one more try.

5)If still bad,ask me(Satoru Uozumi).If I am not here,call #3599.


Some brief examples to use jlcdaq with options
Document of DAQ system
Document of dconf(DAQ Configurator)
Document of jlcdaq(DAQ main program)
Document of histoscope(On-line monitor software)

Back to T912 Home Page


If you have any questions,requests,opinions,or if you find any problems,please tell me.
satoru@hepsg3.px.tsukuba.ac.jp