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Experiences with SCADA packages in the LHC division

Experiences with SCADA packages in the LHC division. F. Momal, CERN, Geneva. The Control Structure. Siemens PLCs. Ethernet - Sinec H1,TCP/IP. FactoryLink on HP/UX. PCR. String Control Room. The Control Structure. Siemens PLCs. Ethernet - Sinec H1,TCP/IP. SM18 common

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Experiences with SCADA packages in the LHC division

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  1. Experiences with SCADA packages in the LHC division F. Momal, CERN, Geneva

  2. The Control Structure Siemens PLCs Ethernet - Sinec H1,TCP/IP FactoryLink on HP/UX PCR String Control Room

  3. The Control Structure Siemens PLCs Ethernet - Sinec H1,TCP/IP SM18 common cryogenic facilities String FactoryLink on HP/UX FL on HP/UX

  4. Services • Connection to the central archiver • Connection to the Central Alarm Server • Connection to the GSM • Web gateway • Extensions to FactoryLink (XYplot, Mathwork)

  5. What worked well • General stability • Easy to install • Easy and fast applications development • Easy to maintain • Easy to extend • Product evolved according to the market • Bugs were generally solved in the following release

  6. Problems • Instability with the X Windows sessions. • Impossibility to have a session at home. • Some hardware failures. • Hard to write reusable code. • Backward compatibility was not perfect. • Difficulties to debug network problems. • Difficult to use built-in database connection

  7. Why changing ? • Europeans systems were now existing. • Market trend seemed to be drifting towards Windows NT. • Windows NT stability OK. • PCs are powerful enough. • Windows based standard appearing (OPC). • Cost

  8. Windows advantages • Cheaper: hardware, software and maintenance • People are used to the system • Large amount of programs to add functionality • compilers • drawing programs • math tools • Interoperability standards

  9. Market Survey’s Criteria • Run under Windows NT. • Client-server and modular structure. • Implement the mainly used automation protocol. • Offer a complete API. • Have an object-oriented RTDB. • Use a standard computing language as the integrated programming language. • Possible set-up using an external description source. • Follow the Microsoft interoperability standards (OLE, ActiveX and DCOM). • Export the archives in a standard format. • Be European.

  10. - MMI - Short term archives - Gateways: Archiving Web Access Alarm Server ... Application Client Local RTDB On Change Subscribe RTDB Hot Backup Data Server Data Server Acq. card Control Network PLCs

  11. Data Description AFS Storage Oracle Data Acquisition System Long Term Archiving Archiver Local Archives

  12. Client Hot Backup Data Server Data Server Gateways to the Supervision Internet Oriented RTDB Alarm Server

  13. Observer Control Room Office Portable Remote Control Station WWW Alarm Server Alarm Server RealTime DataServer Archived Data Server

  14. Control Room Office Portable Oracle Remote Control Station The Complete Structure Observer Alarm Server RealTime DataServer Archiver Archived Data Server Data Description AFS Storage

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