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- G. Arabidze, N. Giokaris
University of Athens, Athens
- T. R.V. Batista, L. G. Cardoso, B. S.M. Peralva
CERN, Geneva
- A. Gomes, C. N. Marques, J. Pina
LIP, Lisboa
- M. Ouchrif
Université Blaise Pascal, Clermont-Ferrand
- L. Sargsyan
YerPhI, Yerevan
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TILECAL is the barrel hadronic calorimeter of the ATLAS detector. The main task of the TILECAL Detector Control System (DCS) is to enable the coherent and safe operation of the detector. All actions initiated by the operator and all errors, warnings, and alarms concerning the hardware of the detector are handled by DCS. Most of the components were already produced and installed in the detector. The SCADA software used is PVSS from the Austrian company ETM. The TILECAL main DCS systems are the low- voltage power supply system, high-voltage distribution system, and cooling of the electronics. All functional blocks can run autonomously. The DCS for the TILECAL is divided in four sectors all identical in the logical point of view, two for the extended barrel regions and two the central region. Each sector is composed by one cooling, HV and LV partition. All these systems are now being implemented and some are already in use for the TILECAL tests and certification. The integration with the global ATLAS DCS system is done by an FSM based on CERN SMI++ which is already in use since December of 2006.
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