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task:beamloss_tool [2024/10/01 15:39] – created pirkolatask:beamloss_tool [2025/08/21 12:34] (current) ryans
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-Tanner's notes:+== Tanner's notes ==
  
-The tool configures BCM D5789 instead of D5521. Unfortunately, D5521 is specifically called out in the “Procedure to monitor primary beam current” document. Gen is going to re-write that document. In the meantime, you can still use the old threshold by going to Diag MPS Device Overview New -> Diag Expert tab -> Open Old Diag MPS Overview  and use the 1.0 sec long average threshold. +The tool configures BCM D5789 instead of D5521. Unfortunately, D5521 is specifically called out in the “Procedure to monitor primary beam current” document. Gen is going to re-write that document. In the meantime, you can still use the old threshold by going to Diag MPS Device Overview New -> Diag Expert tab -> Open Old Diag MPS Overview, or [[pages:mps_diag|here]], and use the 1.0 sec long average threshold.
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 The tool automatically sets BCM thresholds. The calculation need the information on AP config tab to be accurate. The MEBT threshold sets it to a value that includes some noise overhead, so instead of 25 W exactly is corresponds with ~32 W for example. The tool automatically sets BCM thresholds. The calculation need the information on AP config tab to be accurate. The MEBT threshold sets it to a value that includes some noise overhead, so instead of 25 W exactly is corresponds with ~32 W for example.
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 When running to the niobium plate, I left the destination as FS1a and just changed the “beam energy after charge stripper” to 1.5 MeV/u. This updated the BCM 1120 threshold to avoid tripping. When running to the niobium plate, I left the destination as FS1a and just changed the “beam energy after charge stripper” to 1.5 MeV/u. This updated the BCM 1120 threshold to avoid tripping.
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 +It seems that any time a TCT Parameter is changed (see ‘TCT Recent Parameter Changes’ box) threshold selections are re-established. This can be an issue if you manually stop watching a dBCM while running a lower powered beam. -ALP
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 +====Shane note====
 +* Good info but not noob friendly
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 +===== Links =====
 +  *{{task:beamloss_tool_reference.pdf|Reference doc/cheat sheet}}
task/beamloss_tool.1727811565.txt.gz · Last modified: 2024/10/01 15:39 by pirkola

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