Wilfried Buchmüller DESY, Hamburg Symposium, University of ...
PCaPAC 2000 Desy, Hamburg, Germany
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Transcript of PCaPAC 2000 Desy, Hamburg, Germany
PCaPAC 2000Desy, Hamburg, Germany
A Control System Solution for CERN CV Facilities in the LHC Era
D. Blanc, M. C. Morodo, CERN, Geneva, Switzerland
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
Summary
Introduction A fully industrial SCADA-based solution The local supervisory station Operability and maintainability In practice: The SPS cooling control system Conclusions and future perspectives
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
Background and Requirements
The classic scheme: Specific solutions to optimize the
control of each individual process Heterogeneity: very difficult operation,
maintenance and evolution of the global control environment
Now, the aim is: To optimize the control of the individual
processes but keeping a global and homogeneous control system solution
CV Control System Requirements: Openness, for our heterogeneous
environment Networking, for the high geographical
dispersion of the processes Powerful local supervisory tools, core of
the control system architecture Well-adapted operation and maintenance
tools, to improve the process control reliability
Integration in the TCR monitoring system, by means of standard interfaces
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
Keys towards homogeneity
Standard industrial process control architectures Flexibility: scalable and modular architectures Reference Models: coherence and homogeneity Integration of the Reference Models for particular solutions Ease the follow-up of the technical evolution: up-to-date control systems
with a lower maintenance effort Reuse of well-proven solutions: robustness
Complex processes Complex processes complicated process control systemscomplicated process control systems
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
Architecture
Layer 1: Acquisition and regulation
Layer 2: Local supervision
Layer 3: TCR remote supervision
Layer 4: Data handling and web supervision
PLC: Schneider / Siemens
Fieldbus: Profibus DPWorldFIP, CAN
Cellbus: Ethernet TCP/IP
SCADA: WizconWindows NT Workstations
Process regulation
Process control and supervision
CERN technical data monitoring
Data archiving and web-based
supervisory tools
Archiving stationWeb-access to layer 2
Reference Data Base
Technical Data Server
(for remote data configuration)
Trouble Diagnosis
Post-mortem analysis
Data coherence
Standardization of interfaces
Flexibility
Process-customized solutions
Reliability
Availability
Maintainability
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
Wizcon HCI
Wizcon for Internet, WizSQL,...
WizPLC
WizDCS
SCA
DA
EC
Driv
er
Drivers: PLC
, OPC
, DD
E,...
Layer 3:
TCR Remote Supervision
Layer 1:
Acquisition TCP/IP TCP/IP
The local supervisory station
WizPro
Event-driven
Rea
l-tim
e kernelWindows NT
Wizcon station
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
Operability and maintainability
Operation-oriented tools (alarms, HCI,…) designed and built by cross-disciplinary teams
Emphasis in validation tests and acceptance procedures Strong effort in project documentation to keep the in-house knowledge for
enabling maintenance and evolution Software configuration management tools: operational software library and
traceability of the upgrades International standards: IEC 1131-3, IEC 61508, IEC 61506, ...
Building control systems to be operational for 10-15 years!!!Building control systems to be operational for 10-15 years!!!
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
The case: SPS Cooling Control System
Scope: 11 demineralised water cooling
stations The primary raw water circuit
(BA6 cooling towers) Objectives:
Design & implement the CS by introducing the new client-server architecture
Integrate the existing equipment for acquisition and Regulation into the new architecture
To provide the required reliability and precision
The SPS cooling system is responsible for supplying raw water to the heat exchangers
inside the BAs and demineralised water for the cooling of the
magnets and machine components
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
The case: SPS Cooling Control System
Layer 2: SPS auxiliary buildings
SCADA: WizconWindows NT Workstations
DCS: For high performance regulation algorithms, specific calculation and continuous control
HCI: Operation interface tools displaying real-time and archived process dataScheduler: For tasks only depending on date-time conditions
Layer 3: TCR remote supervision
Technical Control Room EC: Software module to integrate the layer 2 in the
TCR remote monitoring system
Operational data and tools: Definition of the data and tools to serve the TCR operational purposes
Layer 4: Data handling and web supervision
Web access to layer 2
Archiving station
Web access: Only for trouble diagnosis. No remote actions will be allowed!!Central archiving: Local supervisory stations send the data periodically
Ethe
rnet
TC
P/IP
Layer 1: SPS cooling stations
PLC: Schneider / SiemensFieldbus: Profibus DP, FIPIO
Logic programs: For sequential running of the plants
Regulation: Single-variable and multi-variable control loops, IMC predictive controller and Smith predictor, Fuzzy Logic
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
The case: SPS Cooling Control System
The studies phase: SPS BA6 prototype Defining the Problems Determining the Plant Operating Conditions Defining the Control Objectives and Strategy
The design phase: Functional and dysfunctional analysis Detailed design and simulation
The implementation phase: Organization:
Project management: CERN ST-CV Group CERN cross-disciplinary team + Industrial Contractor
Feasibility study
Engineering Data Review
Technical Specification
Acceptance tests
Call for tenders
Contract follow-up
Operational systemOperational system
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
Conclusions
The control of the CV processes can be achieved without considering specific solutions and by using a fully Industrial SCADA-based control architecture
The retained solution provides with a high process control precision A global vision of the CV facilities allows to achieve the required levels of
flexibility, coherence and homogeneity in order to assure the follow-up of the technical evolution
The reusability of well-proven solutions results in safer control systems: better reliability (robustness) and availability (maintainability)
PCaPAC 2000, Desy D. Blanc, M. C. Morodo, CERN ST-CV
Thank you
CERN ST - CV - Design Unit - Controls
[email protected] CV Control Systems Leader
[email protected] CV Control Systems Projects Follow-up