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Manage low-level control systems for beam interception devices in the CERN accelerator complex. Includes equipment inherited by BDI in various experimental areas. Utilizes Siemens PLCs and FESA gateways for effective system operation.
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Controls activities of the AB equipment groups A. Butterworth E. Carlier, R. Losito, A. Masi, JJ. Gras, Q. King
AB Equipment Groups ATB Areas, Targets and Beams BI Beam Instrumentation BT Beam Transfer PO Power Converters RF Radio Frequency
AB Equipment Groups ATB Areas, Targets and Beams BI Beam Instrumentation BT Beam Transfer PO Power Converters RF Radio Frequency
ATB-LPE Section Lasers Photocathodes & Equipment controls section • Responsible for providing and operating the low level control systems of all beam intercepting devices in the CERN accelerator complex, in particular systems based on moveable electromechanisms using electric motors. • LHC Collimators • CNGS target • North Experimental Area Target Station (T2,T4,T6,T10,TIDx) • Beam Obstacles in the SPS and LHC (TED and SPS) • Beam Dumps PS • AD Scraper • Interlock system and remote control of the PHIN laser room • Equipment inherited by BDI in North and East experimental area, SPS,Linac 2
ATB-LPE: Types of activity • Siemens PLCs with FESA gateways • PXI platform from National Instruments (LabView RT + Fesa gateway) • Siemens & Schneider PLCs with FESA gateways
ATB-LPE: FTEs per type of activity • Total ~ 4.5 FTEs working on equipment controls
AB Equipment Groups ATB Areas, Targets and Beams BI Beam Instrumentation BT Beam Transfer PO Power Converters RF Radio Frequency
BI-SW Section Software Support section • Provides all the software necessary to develop, test, diagnose and maintain the different instruments produced by the BI Group. • Real Time Front End Software • Expert Graphical User Interfaces [GUI] • development of tools to allow HW specialists to build their own test programs • development of tools (based on the MathLink package) to allow physicists to easily develop and apply their algorithms to the data • Not included: the Operational GUIs for instruments • these are usually under AB/CO or AB/OP responsibility • in some specific cases involving other Groups (Orbit Correction, Feedback...), the developments are done in collaboration with other groups (OP, CO) • a small number of applications are under BI responsibility
BI-SW organigramme • Beam Instrumentation of all CERN machines and projects: LHC, PS BOOSTER, EA NORTH, ISOLDE, LEIR, PS LINAC, PS, REX ISOLDE, SPS
BI-SW: Types of activity • Front-end software: 100% FESA (also some expertise in GM – renovation) • VME systems and FESA layer for PLC supervision • Some Java application SW for expert tools • Total of 8 staff + 2 fellows or associates in BI-SW section • Electronics + FPGA firmware + PLC expertise in other BI sections (~ 4 FTEs)
BI-SW Collaboration with CO: • All front-end software developments based on FESA (VME and PLC systems) • S. Jackson in FESA team – Java development tools • CO standard hardware • VME Type LHC BI backplane: CO standard VME64X with BI extensions • CPU & Timing standard CO
AB Equipment Groups ATB Areas, Targets and Beams BI Beam Instrumentation BT Beam Transfer PO Power Converters RF Radio Frequency
BT-EC Section Design, development, construction, installation, exploitation and maintenance of equipment-level control systems for equipment under the responsibility of the BT group, comprising electronics hardware for high precision fast timing and high-reliability triggering systems, analog waveform acquisition and analysis, servo motor positioning and control of other slow processes using industrial components, analog fast control, power electronics and high voltage charging power supplies, as well as equipment-level software and diagnostics tools for commissioning, maintenance and piquet interventions. BB “Equipment” Responsability AB/BTSpecialist AB/OPOperation Hardware Software AB/COControl Infrastructure • 5 Faraday Cages • 20 front-end computers • 100 HV power supplies • 200 micro-processors • > 200 km of cable • 250 Racks • > 2000 electronics modules • > 30000 inputs/outputs • 6 programming languages • 3 operating systems • > 40 classes • > 250 devices • > 75000 variables AB/BT/EC Electronics& Controls BT EquipmentPS Complex, SPS & LHCKickers & Septa
BT-EC domains of expertise Slow control Interlock Safety Process Magnet & High voltage generator Actuators & Sensors Pulsed power electronic HV capacitor charging power supplies Cabling Pulsed magnetic measurement EMC Fast Control Pulsed timing system Multi-cycling pulsed settings management Pulsed signal acquisition and analysis Equipment & Machine protection Feedback system Software Low Level (C/C++, FESA) Expert program (JAVA) Expert supervision (SCADA) Embedded (VHDL) From actuators & sensors up to Expert control and supervision
BT-EC manpower allocation • Design • System • Equipment • Hardware • Software • Expert • Low level • Embedded • PLC • Electronic • Digital • Analogue • Power • Infrastructure • Cabling • Installation • Commissioning • Production • Procurement • Fabrication • Test
AB Equipment Groups ATB Areas, Targets and Beams BI Beam Instrumentation BT Beam Transfer PO Power Converters RF Radio Frequency
PO-CC Section Converter Control section: • Supports the installed controls hardware and software for operational power converters in the: • PS complex, transfer lines, SPS, SPS north experimental area, CNGS, LHC, LHC Magnet Test Benches, LHC experimental magnets, CAST, Power converter and DCCT test areas • Supports function generation for RF in the SPS and LHC • Develops new controls hardware and software for new and renovated converters at CERN
PO-CC • SPS Power Converter Controls • MUGEF systems • ~20 VME crates controlling about 600 converters • Crates contain a mix of standard CO supported cards (uP, Timing) and PO designed cards (function generation, acquisition, status control) • Porting to FESA underway • SPS North Experimental Area • 380 converters are controlled by very old wire wrap electronics linked by a parallel data bus to a VME “junction crate” running under FESA • A renovation plan for the electronics has been presented but not approved • PS • Most converter controls are based on G64 bus systems linked by MIL1553 to VME gateway systems (~700 converters) • All cards were developed at CERN • function generation & analogue acquisition are provided by AB-CO • MIL1553 Gateway systems are being ported to FESA • PS Main Power Converter • The PS Main Power Converter is controlled by very old electronics that includes a VME crate and a G64 crate • State control uses a Siemens PLC • A new control system is being developed based on LHC controls electronics (FGC) linked by WorldFIP to a PC based FGC gateway (the PLC will remain) • This new control system will also be used with the new PS main power converter that will be operational in 2010
PO-CC • LEIR • Many commercial power converters are used in LEIR. These include their own controls electronics and are operated via serial links from a VME crate running FESA • The same architecture and serial protocols will be used in CTF3 but with converters designed by CERN • LHC • All 1712 LHC circuits are driven by power converters controlled by dedicated control computers designed at CERN called Function Generator/Controllers (FGCs) • FGCs are linked via WorldFIP to PC based FGC gateways running FGC-specific SW (not based on FESA) • The gateways are integrated with all the AB-CO services (Timing, Post Mortem, Alarms, Logging, Role Based Access Control, Controls Middleware, JAPC) • PS Booster • 100 Multipole circuit converters are being renovated with new power and controls electronics developed at CERN. • The controls will be an evolution of the LHC controls (FGC3). • Like the LHC, these will use the WorldFIP fieldbus • PLCs • Many small converters in Rex/Isolde, AD, and CTF3 are controlled by PLCs • These are linked by gateway systems that are being ported to FESA • PLCs are also used to manage the interlocks of the PS and SPS main power converters
PO-CC activities (not FTEs) • Total of 10 FTEs in PO-CC section • PLC and digital HW expertise also in other sections
AB Equipment Groups ATB Areas, Targets and Beams BI Beam Instrumentation BT Beam Transfer PO Power Converters RF Radio Frequency
RF-CS Section Cavity Servos and Controls Interface section • Responsible for: • controls hardware and software for RF power and Low-Level RF (cavity servo, beam control, RF synchronization and transverse feedback) equipment for: • LHC • SC cavities power & LLRF, Transverse Damper • SPS • 200/800MHz power & LLRF, Transverse Damper • CPS • Transverse Damper • LEIR • RF power & LLRF • Linac4 • RF power & LLRF
RF-CS • Some FPGA and DSP expertise in the section • work in collaboration with Feedback section on Low Level developments • Standard model for new developments using: • PLCs (Schneider) + FESA gateways for power system slow controls • Custom VME for Low-Level systems: • Signal processing and fast feedback control in FPGA and DSP • Custom VME crates with RF-specific backplane • CO standard CPUs and timing, FE SW under FESA • Legacy systems - renovation • SPS RF operational application & FEC SW (by startup 2009) • CPS front-end SW (2009 ): ~16 GM classes to redevelop
RF-CS: FTEs by activity • 9 staff (soon 8) + 2 associates
Summary • Total of around 50 “controls” FTEs in the 5 equipment groups • Equipment groups are responsible for: • Front-end HW and SW • expert application software • providing the interface to operational applications developed by OP and CO • Equipment controls is based around: • the CO group as service provider • the equipment groups as “controls partners” relying heavily on CO infrastructure, services and support: • FESA, Timing, Controls Middleware, Alarms, Logging, Post Mortem, Role Based Access Control, JAPC, LSA...