PLC based control systems ICALEPCS’17 Workshop E. Blanco

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Transcription de la présentation:

PLC based control systems ICALEPCS’17 Workshop E. Blanco PLC based control systems at CERN

CERN Key figures CERN mission PBCS Workshop (ICALEPCS'17), E. Blanco, CERN 07-Oct-2017 CERN mission To perform world-class research in fundamental physics To provide a unique range of particle accelerator facilities that enable research at the forefront of human knowledge Key figures Budget 1100 MCHF 22 member states 2500 Staff + 1800 Associates +13000 users + 2000 External firms

PLC inventory by domain (fairly accurate) PBCS Workshop (ICALEPCS'17), E. Blanco, CERN 07-Oct-2017 LECTRICAL DISTRIBUTION (Joao Letra Simoes) =========================================== Our PLCs are mainly divided in these areas: - Auto-transfer (3x) - Diesels (13x) - PLC Interlock (1x) - 18kV commutation (3x) - Low voltage distribution (13x) - Ventilation (8x) - 48V/24V commutation (~x50) 90% of our systems are reacting on request. No continuous control process like PID control or equivalent. We monitor the voltage presence on a given busbar (or set of busbars) and take action in case of power loss. When the power is back, the network configuration is set back to its normal state (by opening and closing breakers, start/stop diesel generators, etc). Some of our systems have three different sources which can be used as backup. RF (Luca Arnaudon) ================== a la RF on réalise 90% des PLC pour des control du type interlocks et séquencement de mise en route ou arrêt des installations. Les système ont un temps de cycle de 2 à 5mS sauf les linac4 et la LHC 40mS et 20mS respectivement Là ou c est nécessaire, les PLC sont double par des interlocks rapide (15uS) et câble (cartes a base d FPGA maison) Dans la plus part des cas il y a des I/O déporte sur des bus de terrain comme Ethercat dans les nouveaux systèmes PSB et SPS, Ethernet/IP au Linac4 et FIP-IO au LHC. Les plus grosses installations actuellement sont: LHC 16 stations RF Linac4 17 stations RF SPS 200MHz et 800MHz Les futures nouveaux projets sont FINMET booster, SPS 200 LIU La rénovation a aussi une large part de l'activité de la section avec PS 20 et 200 MHz pour la fin d'année et SPS200 et PS 10MHz pour LS2 Les 10% restant ce sont des banc de test aux SPS, SM18 et SA2 ou en plus des interlocks et du séquencement il y a des mesures de paramètres. J'espère ça te conviens Not including Twido’s from EN-EL, S7-200 TE-VSC

PLCs inventory at CERN PBCS Workshop (ICALEPCS'17), E. Blanco, CERN 07-Oct-2017 Fairly accurate, 2017

PLCs use: applications PBCS Workshop (ICALEPCS'17), E. Blanco, CERN 07-Oct-2017 Fail safe controllers : Safety Integrated Access Control Machine-tools sector (e.g. Winding machines) WIC: Warm magnets interlocks Cranes control AWAKE, Magnet test benches Autonomous Mobile Equipment: TIM Redundant systems Protection in experimental areas: DSS Electrical systems HVAC Power converters Classic PLCs Cryogenics (Accelerator and experimental areas) Gas systems (LHC GCS, Linac4, Cloud…) Cooling systems HVAC Motion: servo-motors and Stepping motors RF Vacuum Electrical systems Protection & Interlocks (PIC, SPS Power converters interlocks, Collimators Temperature Interlocks Monitoring: RAMSES, CSAM

Experience with suppliers PBCS Workshop (ICALEPCS'17), E. Blanco, CERN 07-Oct-2017 More than 18 years of experience There is not a perfect supplier but a satisfactory supplier Lack of competition between suppliers is not healthy… as long as you can afford it. Despite being a rather conservative technology segment (OT vs. IT), the supplier must follow tendencies (desirably without imposing continuous upgrades) A strong and reactive technical team must be behind the curtains (commercials are not enough) The key is not having suppliers but partners

UNICOS-CPC Engineering life cycle (PLC apps) PBCS Workshop (ICALEPCS'17), E. Blanco, CERN 07-Oct-2017 Databases (Assets, Layout Controls conf.) Versioning (SVN, GIT) Verification, Simulation, Test PLCVerif Deployment & Monitoring Moon Maintenance Analysis Assets Specifications Reverse Engineering Automatic Code Generation Test (FAT, SAT) PLC Deployment PLC