Difference between revisions of "Pol He-3 Target Information GEn"

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== Expert Information ==
 
== Expert Information ==
 +
=== Target Cell ===
 +
 
=== Reference Cell ===
 
=== Reference Cell ===
−
* [[Media:Reference_cell.pdf|How to install/remove a reference cell]]
 
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* [[Media:EPR_photodiode_replacement.pdf|EPR Photodiode Replacement Procedure]]
 
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* [https://logbooks.jlab.org/entry/3746573 Reference Cell Summary Document]
 
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* [[Media:SIMPLIFIED REFERENCE CELL PROCEDURES.pdf|Reference Cell Fill Procedure (PDF)]] ([[Media:SIMPLIFIED REFERENCE CELL PROCEDURES.docx|docx]])
 
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* Pressure calibration data:
 
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** EPICS data:
 
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*** Vacuum readback: ADC channel 7  (raw: HcHPE1313ACh7; "calibrated": polhe3:CellVacuum )
 
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*** Pressure readback: ADC channel 8 (raw: HcHPE1313ACh8; "calibrated": polhe3:CellPressure )
 
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** 04 Dec 2019 : [https://logbooks.jlab.org/entry/3746573 Reference Cell Summary Document] (These calibrations were done '''before''' a 1 uF cap was added on 18 Dec 2019 [https://logbooks.jlab.org/entry/3755882])
 
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** 14 Feb 2020 : [https://logbooks.jlab.org/entry/3783817 Reference Cell pressure calibration (14 Feb 2020)]
 
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*** A little more information: https://logbooks.jlab.org/entry/3788269
 
  
 
=== Cooling Jet Alignment ===
 
=== Cooling Jet Alignment ===
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Alignment jigs and drawings are stored on the box labeled 'Averett 3He Reference Cell Pts'. And the box is on the floor underneath the Hall C counting house printer.
 
  
 
=== Pol He3 Field Mapping Data ===
 
=== Pol He3 Field Mapping Data ===
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* [[Pol He3 Field Mapping Data]]
 
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* [https://docs.google.com/spreadsheets/d/e/2PACX-1vTqbYehkZqdvYdIK-cLOVyKruMwb2Iz2P8VOG18bx2UlJSTLjgZKvkS33gsfxtFNcj-Kq-uXj-JTkw1/pubhtml Field Correction Settings for A1N]
 
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* [[Media:Target_Field_Coils_D2N.pdf|Field Correction Settings for D2N]] ([https://userweb.jlab.org/~jixie/A1N/FieldRunPlan/Target_Field_Coils_D2N.pdf Original])
 
  
 
=== Pol He3 Field Map from TOSCA simulation ===
 
=== Pol He3 Field Map from TOSCA simulation ===
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* [[TOSCA simulation for Pol He3 Field]]
 
  
 
=== Circular Raster Information ===
 
=== Circular Raster Information ===
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* [https://www.jlab.org/indico/event/299/session/0/contribution/4/material/slides/ Raster Status Presentation]  Mark J., Bob M. (Dec 10, 2018 Collaboration Meeting)
 
  
 
=== Reboot Switches ===
 
=== Reboot Switches ===
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* [[Reboot Switch Operation]] --How to use reboot switches
 
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* [[hcreboot5]] --Devices in the Pol He3 Rack behind the Green Wall
 
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* [[hcreboot6]] --Devices in the two racks under the pivot
 
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* [[hcreboot7]] --Devices in the two racks under the pivot
 
  
 
=== Reset Target Ladder Motion Control ===
 
=== Reset Target Ladder Motion Control ===
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[[Pol He-3 Target Motion Reset]]
 
  
 
=== Cable/RTD/Signal Maps ===
 
=== Cable/RTD/Signal Maps ===
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'''NOTE: If you update a map below'''
 
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  Click on a the previous hclog entry and either add a comment
 
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  pointing to your new entry, or use the 'Follow-up' link on the
 
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  old entry to make a new entry. That will make it easier to track
 
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  when/why things change.
 
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* Note: There is a dictionary of EPICS PVs with descriptions at
 
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** ~coda/coda/scripts/EPICS_logging/polhe3-epics.txt
 
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* Laser Fiber End RTDs:
 
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** Hardware notes: https://logbooks.jlab.org/entry/3747838
 
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** Final Map: https://logbooks.jlab.org/entry/3747950
 
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* RTDs on cell:
 
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** Visual gauge photo and PV map: https://logbooks.jlab.org/entry/3747509  (12/06/2019 - 03:48)
 
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** RTD head settings: https://logbooks.jlab.org/entry/3747508
 
  
 
==== Fiber RTD hardware trip points ====
 
==== Fiber RTD hardware trip points ====
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* Fire Safety RTDs
 
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** HcFiberTemp0, HcFiberTemp1
 
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** max measured about 32C
 
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** '''set trip to 36C'''
 
−
 
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* Fiber Temperature RTDs
 
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** HcFiberTemp4+  (except for 12, 14 below)
 
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** Max measured of about 32C
 
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** '''set trip to 46C''' (as of Jan 14, 2020 -- '''will set to 36C''' during next downtime)
 
−
 
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* HcFiberTemp12, 14
 
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** Max measured of 40C
 
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** '''set trip to 46C'''
 
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<div id="collapse-pre-one" class="mw-collapsible mw-collapsed">
 
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<div class="mw-collapsible-toggle toccolours" style="float: none;">
 
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  <div class="mw-collapsible-toggle-row">
 
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  <div class="mw-collapsible-toggle-header"><big>'''Reset instructions for RTD HW trip points &bull; Expert only (Brad or Ethan) [click]'''</big></div>
 
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  </div>
 
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</div>
 
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<div class="mw-collapsible-content">
 
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Address 0xF6
 
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  FiberTemp0-1:  (and the unused 2, 3)
 
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    Fire safety RTDs (max 36)
 
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Address 0xF5
 
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  FiberTemp4--7
 
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  * max 36
 
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Address 0xF3
 
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  FiberTemp8--11
 
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  * max 36
 
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Address 0xF4
 
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  FiberTemp12-15
 
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  * max 46 due to 12, 14
 
−
 
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'''NOTE''': power cycling the acromag controller below will trip the laser interlock!
 
−
 
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* Set the hardware trip limits
 
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% ssh pi@polhe3pi2  ('hccuser' password)
 
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% cd Documents
 
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% scls  # select 'acromag' entry, then type Ctrl-C to kill the program
 
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# Set the limits
 
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% for f in 0xf3 0xf5 0xF6; do ./setupAcro -l 36 -a $f; done
 
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% for f in 0xf4; do ./setupAcro -l 46 -a $f; done
 
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# Reboot the acromag controller using hcreboot6
 
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# Then restart the software by (for example) running bash again
 
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% bash
 
−
 
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* Verify that the stripcharts are updating again and close the terminal window.
 
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</div>
 
  
 
==== PolHe3 Alarm Handler defaults ====
 
==== PolHe3 Alarm Handler defaults ====
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These can be reset this way:
 
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  % ssh cvxwrks@cdaql1
 
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  % cd alarm_handler_polhe3
 
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  % ./set_polhe3_defaults
 
−
 
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Type in the number for the fields you wish to reset and hit return.
 
  
 
== Reference Cell Information ==
 
== Reference Cell Information ==

Revision as of 07:05, 14 October 2022

Experiment Information

Target Operator Instructions

  • PolHe3 Target Training Slides [1]
  • PNMR Training slides
  • How to bring up relevant target GUIs
  • Polarized He3 Target Operational Restrictions (raster, beam current limits, etc)
  • Procedure for Moving Between Target Cells
  • Reference Cell Fill Procedure

Checklists

Expert Information

Target Cell

Reference Cell

Cooling Jet Alignment

Pol He3 Field Mapping Data

Pol He3 Field Map from TOSCA simulation

Circular Raster Information

Reboot Switches

Reset Target Ladder Motion Control

Cable/RTD/Signal Maps

Fiber RTD hardware trip points

PolHe3 Alarm Handler defaults

Reference Cell Information

Production Target Cell Information

PolHe3 Polarization Citation/Reference Link

Final Cell polarizations and supporting documentation is (will be) on the Hall C DocDB
  https://hallcweb.jlab.org/doc-private/ShowDocument?docid=1182
Use that URL as a citation/reference in papers.

Additional Details

Nominal Cell Status summary slide
  • Any cells that are production ready need to be flagged as such
  • Any cells that have seen beam should be flagged with the date range
  • Production cell target chamber wall thickness measurement location (JLab Measurements)

File:Production Cell Wall Thickness.png

  • Production cell target chamber wall thickness measurement location (UVa Measurements)

600px

Currently Installed Cell

Cells Being Readied for Installation

Older Installed Cells

Addition Documentation

Additional Documentation

Target CAD Files/Photos

Manuals

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