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Experiment Control Systems at the LHC

Experiment Control Systems at the LHC. An Overview of the System Architecture JCOP Framework Overview Protocols used in LHC Experiments. Connections inside DCS. between and inside systems (information) mainly internal PVSS Communication in special cases also DIM bare TCP/IP

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Experiment Control Systems at the LHC

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  1. Experiment Control Systems at the LHC An Overview of the System Architecture JCOP Framework Overview Protocols used in LHC Experiments

  2. Connections inside DCS • between and inside systems (information) • mainly internal PVSS Communication • in special cases also • DIM • bare TCP/IP • between and inside systems (commands and states) • SMI++ Joint PVSSII and JCOP Framework Course

  3. Connection to Hardware • most hardware is connected via • OPC • HV/LV power supplies • ELMB • this includes rack control • Gas Distribution • DIM • mainly special developments Joint PVSSII and JCOP Framework Course

  4. Connection to Services • The LHC Experiments, the LHC Accelerator, and the Technical Services have agreed on a Data Interchange Protocol (DIP) • During 2004 first implementations will be available. DIP will be based on the DIM architecture. Joint PVSSII and JCOP Framework Course

  5. DIP DIP PVSS DIP PVSS PVSS PVSS PVSS PVSS PVSS DIM OPC OPC Generic SW Architecture Control Units ECS? T.S. LHC DAQ DSS DCS ??? Abstract levels ... ... Commands GAS Status & Alarms DetDcs1 DetDcsN DetDaq1 SubSys1 SubSys2 SubSysN Device Units Dev1 Dev2 Dev3 DevN To Devices (HW or SW) Joint PVSSII and JCOP Framework Course

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