Scaler Data Format

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FADC250 scalers

Bank EE10 (Df250Scaler)

  • Number of sync events
  • Trigger number
  • Format version number
  • Crate

(vector of 32-bit words)

  • slot
  • 16 fadc rates


FADC250 Asynchronous pedestals

Bank EE05 (Df250AsyncPedestal)

  • Number of sync events
  • Trigger number
  • Crate

(vector of 32-bit words)

  • slot
  • 16 fadc rates


TS/GTP scalers

Bank EE02 (DL1Info)

  • Number of sync events
  • Trigger number
  • Live time
  • Busy time
  • Instantaneous live time
  • Unix time


  • GTP scalers, line 0 - 31
  • FP scalers, line 0 - 16
  • GTP rate, line 0 - 31
  • FP rate, line 0 - 16