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- D.F.C. Fernández-Carreiras, F. Becheri, G. Cuní, R. Homs-Puron, G. Jover-Mañas, J. Klora, O. Matilla, J. Moldes, C. Pascual-Izarra, Z. Reszela, D. Roldan, S. Rubio-Manrique, X. Serra-Gallifa
CELLS-ALBA Synchrotron, Cerdanyola del Vallès, Spain
- T.M. Coutinho
ESRF, Grenoble, France
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This paper describes the model, objectives and implementation of a generic data acquisition structure for an experimental station, which integrates the hardware and software synchronization of motors, detectors, shutters and in general any experimental channel or events related with the experiment. The implementation involves the management of hardware triggers, which can be derived from time, position of encoders or even events from the particle accelerator, combined with timestamps for guaranteeing the correct integration of software triggered or slow channels. The infrastructure requires a complex management of buffers of different sources, centralized and distributed, including interpolation procedures. ALBA uses Sardana built on TANGO as the generic control system, which provides the abstraction and communication with the hardware, and a complete macro edition and execution environment.
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