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Turn for electronsTurn for positrons



Figure 1-a: The sequence [0,1,2,3] is sorted according to the direction of the electrons beam: starting from rack 063 (DEVIL364 > 365 > 366 > 367)

Figure 1-b: The sequence [1,0,3,2] is sorted according to the direction of the positrons beam:, starting from rack 071 (DEVIL365 > 364 > 367 > 366)


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Each one of the 4 DEVILs has a circular buffer of 1927 lines named "sockets". The four circular buffers write operations are synchronized with a common stobe so that the four write pointes are always alligned.

At each strobe, each DEVIL store a socket composed as:

DBL Acquisition number [0, 1927]
DBL timestamp
[DBL] 32 values of the BPM X signals from the Bergoz modules read from that DEVIL (both e- and e+)
DBL Acquisition number [0, 1927]
DBL timestamp
[DBL] 32 values of the BPM Y signals from the Bergoz modules read from that DEVIL (both e- and e+)



Details

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Examples

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GRawBuffer.vi

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