Merging several separate data acquisition systems at GANIL
Résumé
The Grand Accélérateur National d'Ions (GANIL) as a National User's facility must answer to the problems of synchronization for the coupling of resident and external acquisition systems. For this a solution made up of a C-size VXI electronics called CENTRUM and a software named MERGER was adopted. The technique used for synchronization is based on the distribution of a 32-bit event number or a 48-bit timestamp. The tagged events sent by the various acquisition systems on the network are assembled by MERGER in a single event and sent for the analysis and storage
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