Difference between revisions of "Checklist maintenance (HCO) Expert"

From Hall D Ops Wiki
Jump to: navigation, search
(Expert personnel)
Line 17: Line 17:
  
 
== Expert personnel ==
 
== Expert personnel ==
The individuals responsible for checking that the BCAL is ready to take data  and setting its operating parameters  are shown in following table.
+
The individuals responsible from Hall D for checking that the checklists are prepared to be filled for a given run period are shown in following table.
Problems with normal operation of the BCAL should be referred to those individuals and any changes to their settings must be
+
Additional experts on the software itself from accelerator are listed in case issues come up with their implementation.
approved by them. Additional experts may be trained by the system owner and their name and date added to this table.
+
 
  
 
  {| border=1  
 
  {| border=1  
Line 27: Line 27:
 
|-
 
|-
 
| Elton Smith    ||  align=center | 269-7625  ||  align=center | January, 2015
 
| Elton Smith    ||  align=center | 269-7625  ||  align=center | January, 2015
| Ryan Slominski ||  align=center | 269-7625   ||  align=center |  
+
|-
| Theo Larrieu ||  align=center | 269-7625   ||  align=center |  
+
| Ryan Slominski ||  align=center | 269-6495   ||  align=center |  
 +
|-
 +
| Theo Larrieu ||  align=center | 269-7708   ||  align=center |  
 
  |}
 
  |}

Revision as of 13:16, 21 December 2015

Checklist maintenance

Hall D is using the accelerator-developed system of checklists, commonly referred to as the hot checkout (HCO). The system is driven by a web-based interface with many features that can be discovered interactively. However, there are a few infrequent actions that require specific instructions. Note that some of these require special permissions, not generally granted.

Routine operation

Instructions for shift personnel are available in the Barrel Calorimeter instructions for shift personnel.

Saving and Comparing Save/Restore Files

Specific voltage settings can be saved (from electronics to file) or restored (from file to electronics). This is done via the "Save/Restore" button on the top right of the GUI. The files are automatically saved with the date/time to /gluex/data/burt/voltages/BCAL_BIAS/. We have renamed the files incorporating the date/time temperature and 10 times the overvoltage (to avoid an additional "." in the name). A soft link is created in that directory to point to the nominal file for the current run. The voltages from different files can be compared using the script compare_snap_voltages.C which is located in /gluex/Subsystems/BCAL/scripts.

Chiller Operation

The chiller temperature should be set to 2 degC less than the desired SiPM temperature. The chillers are normally in 'remote' mode. (You can still change the temperature manually). To change the 'set' temperature, use the up/down arrows on the front key pad to the desired temperature. The values are in deg F. Wait for the 'readback' temperature to settle to the 'set' value, as it may overshoot at first. At startup it may be necessary to pull the reset (green) switch forward that is accessed through the hole on the side of the chiller closest to the front.


Expert personnel

The individuals responsible from Hall D for checking that the checklists are prepared to be filled for a given run period are shown in following table. Additional experts on the software itself from accelerator are listed in case issues come up with their implementation.


Table: Expert personnel for the HCO system
Name Extension Date of qualification
Elton Smith 269-7625 January, 2015
Ryan Slominski 269-6495
Theo Larrieu 269-7708