Abstract
ASDEX Upgrade's CODAC system integrates about 70 plant systems for diagnostics, magnets, heating and fuelling, vessel and protection. Plant and CODAC systems base on workstations with fast serial real-time data sampling, industrial PCs and PLCs, connected through standardized networks for exchange of time and real-time process data, protection information, audio/video streams and arbitrary data. The experiment cycle defines the procedure to develop the physics program: Pulse schedules are compiled as a distributed task among plant engineers and session leader. Prior to pulse execution plant data are exchanged and consistency validated by a central configuration server. Pulses are executed by plant systems communicating through real-time networks. Control has been designed for critical applications, to let it reliably execute complex and intelligent investment protection tasks.
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