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The new cryogenics controls for LHC (UNICOS) are implemented in an open architecture based on SCADA and PLC industrial components, with Ethernet as Fieldnetwork. Its development was outsourced to industry and since mid-2001 several applications have been produced and delivered for refrigerators in the accelerator and experiment domains. This has allowed to validatedetailed performance requirements in terms of communication and distributed architecture. The second phase of this project will involve its integration with the LHC accelerator controls, both at the information exchange level (alarms, data logging) and at the device configuration level. This phase takes advantage of the integrated design at PLC and SCADA level, leading to the use of configuration tools which can be easily connected to the generic device configuration model of the accelerator controls. |
