Difference between revisions of "3rd Arm DAQ for g2p"

Revision as of 20:15, 22 February 2012

Normal DAQ Operations

Account Info

• 3rd Arm DAQ is running separately with the HRS DAQs.
  • 3rd Arm DAQ runs on the adaql3 computer on the adev account.
  • 3rd Arm DAQ is using CODA 2.5.

Start and Stop Runs

• To start and stop runs, push the buttons "Start" and "End".
  • No need to use "Prestart", "Start" will do "Prestart" and "Go" in sequence.
  • If the run control is not running, follow the Cold Restart section below.

CODA Configurations

• We are using "thirdarm_buf" configuration for 3rd arm.
  • The configurations should be loaded by default.
  • To change configurations, click on the "Reset" button on the left, then press "Configure" button, choose the configuration from the dialog box, then push the "Download" button.

Editing Prescale Factors

• Login with adev account, type "prescaleTA" to start the GUI. Make changes and click "save" button.
  • Notice T8 is 103.7 kHz fast clock for 3rd arm, so you need to set PS8 to 103 to get a ~1kHz pulser trigger.

Online Scaler Monitor

Start xscaler for 3rd Arm

• Open a terminal, type "ssh adaq@adaql4";
• Type "cd ~/g2p/thirdarm/scaler";
• Type "./xscaler thirdarm" to start GUI.

Definition of Some Entries

• 1~8  : Insert non-formatted text here: E1_R(L)-E4_R(L), hits on E plane PMTs;
• 9  : currently empty;
• 10  : fclock, 103.7 kHz fast clock;
• 11  : L1A
• 12  : trigger
• 13~16: dE1_R(L)&dE2_R(L), hits on dE plane PMTs;
• 17~18: bcm_u(d)1, upstream(or downstream) BCM.

Reboot

Reset CODA

• Click the "Reset" button on the run control interface. You will need to do "Configure" and "Download" again.
• If reset CODA can not solve the problem, try a cold restart, follow the instruction below.

Cold Restart CODA

• To make a cold restart of CODA for 3rd arm DAQ, first make sure you are using adev account on adaql3 computer. If not, open a terminal and type "ssh adev@adaql3";
• On adev@adaql3, type "kcoda";
• Type "startcoda", the runcontrol GUI will pop-up;
  • Press the "Connect" button;
  • When you see the "Configure" button, press it, then choose one configuration ("thirdarm_buf" configuration for usual). Wait for a while.
  • Click on the "Download" button to start download the libraries;
• You have restarted CODA. To start a run, press "Start" button.

Reboot TS ROC

• Third arm only have one ROC, which is ROC12.