Keyword: PLC
Paper Title Other Keywords Page
MOCPL04 LTE/3G Based Wireless Communications for Remote Control and Monitoring of PLC-Controlled Vacuum Mobile Devices ion, network, controls, SCADA 64
 
  • R. Ferreira, S. Blanchard, P. Gomes, G. Pigny
    CERN, Geneva, Switzerland
  • T.R. Fernandes
    ESTGL, Leiria, Portugal
  
  All particle accelerators and most experiments at CERN require high (HV) or ultra-high (UHV) vacuum levels. Contributing to vacuum production are two types of mobile devices: Turbo-Molecular Pumping Groups and Bakeout Racks. During accelerator stops, these PLC-controlled devices are temporarily installed in the tunnels and integrated in the Vacuum SCADA, through wired Profibus-DP. This method, though functional, poses cer-tain issues which a wireless solution would greatly miti-gate. The CERN private LTE/3G network is available in the accelerators through a leaky-feeder antenna cable which spans the whole length of the tunnels. This paper describes the conception and implementation of an LTE/3G-based modular communication system for PLC-controlled vacuum mobile devices. It details the hardware and software architecture of the system and lays the foun-dation of a solution that can be easily adapted to systems other than vacuum.  
video icon Talk as video stream: https://youtu.be/1u6WmPACSs8  
slides icon Slides MOCPL04 [4.354 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-MOCPL04  
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MODPL02 Virtual Control Commissioning for a Large Critical Ventilation System: The CMS Cavern Use Case ion, controls, simulation, operation 92
 
  • W. Booth, E. Blanco Viñuela, B. Bradu, S. Sourisseau
    CERN, Geneva, Switzerland
  
  The current cavern ventilation control system of the CMS experiment at CERN is based on components which are already obsolete: the SCADA system, or close to the end of life: the PLCs. The control system is going to be upgraded during the CERN Long Shutdown 2 (2019-2020) and will be based on the CERN industrial control standard: UNICOS employing WinCC OA as SCADA and Schneider PLCs. Due to the critical nature of the CMS ventilation installation and the short allowed downtime, the approach was to design an environment based on the virtual commissioning of the new control. This solution uses a first principles model of the ventilation system to simulate the real process. The model was developed with the modelling and simulation software EcosimPro. In addition, the current control application of the cavern ventilation will also be re-engineered as it is not completely satisfactory in some transients where many sequences are performed manually and some pressure fluctuations observed could potentially cause issues to the CMS detector. The plant model will also be used to validate new regulation schemes and transient sequences offline in order to ensure a smooth operation in production.  
video icon Talk as video stream: https://youtu.be/NVzClA1dSxc  
slides icon Slides MODPL02 [3.318 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-MODPL02  
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TUAPL02 Porting VME-Based Optical-Link Remote I/O Module to a PLC Platform - An Approach to Maximize Cross-Platform Portability Using SoC ion, controls, Linux, FPGA 125
 
  • T. Masuda, A. Kiyomichi
    JASRI/SPring-8, Hyogo-ken, Japan
  
  The optical-link remote I/O system OPT-VME that consists of a VME master and several kinds of slave boards is widely used in SPring-8 and SACLA. As the next generation low-end platform instead of the outdated VMEbus, a Linux PLC such as Yokogawa e-RT3 has been considered. We have developed an e-RT3-based master module OPT-PLC to fully utilize a large number of existing remote boards. In the original system, low-level communication is performed by FPGA and high-level communication procedures are handled in the Solaris device driver on a VME CPU board. This driver becomes a barrier to port the system to e-RT3 platform. OPT-PLC should be handled by the e-RT3 standard driver in the same manner as other e-RT3 I/O modules. To solve the difficulty, OPT-PLC was equipped with Xilinx SoC and the high-level communication procedures were implemented as application software on ARM Linux in the SoC. As the result, OPT-PLC can be controlled through the standard e-RT3 driver. Furthermore, the system will be ported to other platform like PCI Express by replacing bus interface block in the PL part. This paper reports on our development as an approach to maximize cross-platform portability using SoC.  
video icon Talk as video stream: https://youtu.be/ci5-NHBCLWM  
slides icon Slides TUAPL02 [7.627 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUAPL02  
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TUMPA05 OPC UA to DOOCS Bridge: A Tool for Automated Integration of Industrial Devices Into the Accelerator Control Systems at FLASH and European XFEL ion, controls, laser, feedback 344
 
  • F. Peters, I. Hartl, C. Mohr, L. Winkelmann
    DESY, Hamburg, Germany
  
  Integrating off-the-shelf industrial devices into an accelerator control system often requires resource-consuming and error-prone software development to implement device-specific communication protocols. With recent progress in standards for industrial controls, more and more devices leverage the OPC UA machine-to-machine communication protocol to publish their functionality via an embedded information model. Here we present a generic DOOCS server, which uses a device's published OPC UA information model for automatic integration into the accelerator control systems of the FLASH and European XFEL free-electron laser facilities. The software makes all the device's variables and methods immediately accessible as DOOCS properties, reducing software development time and errors. We demonstrate that the server's and protocol's latency allows DOOCS-based burst-to-burst feedback in the 10Hz operation modes of FLASH and European XFEL and is capable of handling more than 104 data update events per second, without degrading performance. We also report on the successful integration of a commercial laser amplifier, as well as our own PLC-based laser protection system into DOOCS.  
slides icon Slides TUMPA05 [0.817 MB]  
poster icon Poster TUMPA05 [1.190 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUMPA05  
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TUPHA006 Automation of the Software Production Process for Multiple Cryogenic Control Applications ion, controls, software, cryogenics 375
 
  • C.F. Fluder, V. Lefebvre, M. Pezzetti, A. Tovar González
    CERN, Geneva, Switzerland
  • P. Plutecki
    AGH University of Science and Technology, Kraków, Poland
  • T. Wolak
    AGH, Cracow, Poland
  
  The development of process control systems for the cryogenic infrastructure at CERN is based on an automatic software generation approach. The overall complexity of the systems, their frequent evolution as well as the extensive use of databases, repositories, commercial engineering software and CERN frameworks led to further efforts towards improving the existing automation based software production methodology. A large number of control system upgrades were successfully performed for the Cryogenics in the LHC accelerator, applying the Continuous Integration practice integrating all software production tasks, tools and technologies. The production and maintenance of the control software for multiple cryogenic applications became more reliable while significantly reducing the required time and effort. This concept became a guideline for development of process control software for new cryogenic systems at CERN. This publication presents the software production methodology, as well as the summary of several years of experience with the enhanced automated control software production, already implemented for the Cryogenics of the LHC accelerator and the CERN cryogenic test facilities.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA006  
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TUPHA046 PLC Factory: Automating Routine Tasks in Large-Scale PLC Software Development ion, factory, controls, EPICS 495
 
  • G. Ulm, F. Bellorini, D.P. Brodrick, R.N. Fernandes, N. Levchenko, D.P. Piso
    ESS, Lund, Sweden
  
  The European Spallation Source ERIC (ESS) in Lund, Sweden, is building large-scale infrastructure that is projected to include hundreds of programmable logic controllers (PLCs). Given the future large-scale deployment of PLCs at ESS, we therefore explored ways of automating some of the tasks associated with PLC programming. We designed and implemented PLC Factory, which is an application written in Python that facilitates large-scale PLC development. With PLC Factory, we managed to automate repetitive tasks associated with PLC programming and interfacing PLCs with an EPICS database. A key part of PLC Factory is its embedded domain-specific programming language PLCF#, which makes it possible to define dynamic substitutions. Using a database for configuration management, PLC Factory is able to generate both EPICS database records as well as code blocks in Structured Control Language (SCL) for the Siemens product TIA Portal. Hierarchies of devices of arbitrary depth are taken into account, which means that dependencies of devices are correctly resolved. PLC Factory is in active use at ESS.  
poster icon Poster TUPHA046 [0.185 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA046  
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TUPHA095 NSLS-II Beamline Equipment Protection System ion, vacuum, controls, status 638
 
  • H. Xu, H. Bassan, G. Bischof, B.T. Clay
    BNL, Upton, Long Island, New York, USA
  • R.A. Kadyrov
    SLAC, Menlo Park, California, USA
  
  The National Synchrotron Light Source II (NSLS-II) beamline Equipment Protection System (EPS) delivers a general solution for dealing with various beamline components and requirements. All IOs are monitored and controlled by Allen Bradley PLC. EPICS application and CSS panels provide high level monitoring and control.  
poster icon Poster TUPHA095 [1.575 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA095  
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TUPHA096 The Machine Protection System for the Injector II ion, controls, FPGA, machine-protect 641
 
  • Y.H. Guo, Y. Cheng, H.T. Liu, T. Liu, Y.T. Liu, J. Wang, S. Zhan, H. Zheng
    IMP/CAS, Lanzhou, People's Republic of China
  
  The IMP takes responsibility for the development of Injector II. The target energy index of it is 20-25Mev , which is an intense beam proton accelerator with high operation risk. In order to implement cutting the ion source beam in time when the beam position offset happened, the Injector II Machine Protection System is developed based on FPGA controller and PLC. This system aims to prevent device damage from continuous impact of intense beam, as well as obtains and stores status data of key devices when failures occur to implement failure location and analysis. The whole system is now operating stable in field, and the beam cutting time is less than 10us.  
poster icon Poster TUPHA096 [0.342 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA096  
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TUPHA106 ESS Accelarator Oxygen Depletion Hazard Detection System ion, cryogenics, controls, ion-source 666
 
  • A. Toral Diez, S.L. Birch, M. Mansouri, A. Nordt, D. Paulic, Y.K. Sin
    ESS, Lund, Sweden
  
  At the European Spallation Source ERIC (ESS), cryogenic cooling is essential for various equipment of the facility. The ESS Superconducting LINAC and the ESS Cryomodule Test Stand, will require major cryogenic services in order to be supplied with liquid nitrogen and helium. Since the use of cryogenic fluids can be associated with Oxygen Depletion Hazard (ODH), the ESS Protection and Safety Systems group will install an ODH Detection System which is a PLC-based alarm system. This system will monitor real time Oxygen concentration levels in designated areas, with the aim to alarm personnel if the oxygen level is detected below certain thresholds. This paper gives an overview about the requirements, system architecture, hardware and software of the ODH Detection System in ESS Accelerator buildings  
poster icon Poster TUPHA106 [2.899 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA106  
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TUPHA121 Development of the Power Supply Control System for J-PARC Hadron Experimental Facility ion, controls, power-supply, operation 697
 
  • K. Agari, H. Akiyama, Y. Morino, Y. Sato, A. Toyoda
    KEK, Tsukuba, Japan
  
  Funding: This work was supported by JSPS KAKENHI Grant Number 26800153.
The Hadron Experimental Facility is designed to handle an intense slow-extracted proton beam from the 30-GeV Main Ring of the Japan Proton Accelerator Research Complex (J-PARC). We have developed a new control system of a magnet power supply to work with a Programmable Logic Controller (PLC). The control PLC handles the status of the interlock signals between a power supply and a magnet, and monitors the output voltage and the current. The PLC also controls a programmable reference voltage to regulate the output current. In addition, we have been developing an automatic orbit-correction program with the control system of the magnet power supply. The previous data of the beam profile monitors located on the upstream side of the beam dump and the temperature distribution on the beam dump show a possibility of the automatic correction of the beam orbit to the beam dump. The optimized current for the horizontal steering magnet was calculated from the horizontal displacement of the proton beam measured with the beam profile monitors. This paper reports the current status of the power supply control system which can automatically correct the horizontal beam position at the beam dump. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA121  
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TUPHA131 PLC Based Vacuum Controller Upgrade and Integration at the Argonne Tandem Linear Accelerator System ion, vacuum, controls, interface 724
 
  • C.E. Peters, C. Dickerson, A.E. Germain, Y. Luo, M.A. Power, R.C. Vondrasek
    ANL, Argonne, Illinois, USA
  
  Funding: This work was supported by the U.S. Department of Energy, Contract No. DE-AC02-06CH11357. This research used resources of ANL's ATLAS facility, which is a DOE Office of Science User Facility.
The installation of a new Electron Beam Ion Source (EBIS) to the Argonne Tandem Linear Accelerating System (ATLAS) at Argonne National Laboratory requires a vacuum system capable of providing pressures in the region of 10-10 Torr. Historically, vacuum interlocks have been provided via analog logic chassis which are difficult to upgrade and maintain. In order to provide sufficient interlocks to protect high voltage components of the EBIS, a new programmable logic controller (PLC) based Vacuum control system has been developed and integrated into the rest of the accelerator supervisory control system. The PLC interfaces not only with fast acting relay based interlock signals but also with RS-485 based serial devices to monitor and control lower priority parameters such as pump speeds, vacuum pressure readout and set points, run hours and more. This work presents the structure and interface logic necessary to communicate with a range of vacuum gauges, turbo-molecular pumps and ion pump controllers. In addition, the strategy to interface vacuum control with the rest of the accelerator control system is presented. 		 
poster icon Poster TUPHA131 [5.089 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA131  
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TUPHA132 Design and Implementation of Power Supply Control System on HI-13 ion, controls, power-supply, interface 728
 
  • J.M. Zhou, Y.M. Hu, K.N. Li, X.F. Wang
    CIAE, Beijing, People's Republic of China
  
  On the HI-13 tandem accelerator, steer power supply and quadrupole lens power supply provides three different types of control interface, Remote control system of these power supplies implemented by using Siemens S7 series PLC, serial server, OPC server and WINCC, Long-time operation show that the control system is easy to be operated and its performance is reliable. Keywords: HI-13, power supply control system, WINCC  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA132  
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TUPHA152 Towards a Time-Constrained Service-Oriented Architecture for Automation and Control in Large-Scale Dynamic Systems ion, real-time, controls, software 760
 
  • G. Chen, B.R. An
    CAEP, Sichuan, People's Republic of China
  
  Funding: This work is supported by National Natural Science Foundation of China(61333003) and Science and Technology Development Foundation of China Academy of Engineering Physics (14-FZJJ-0422).
Rapidly changing demands for interoperability among heterogeneous systems leads to a paradigm shift from pre-defined control strategies to dynamic customization within many automation systems, e.g., large-scale scien-tific facilities. However, today's mass systems are of a very static nature. Fully changing the control process requires a high amount of expensive manual efforts and is quite error prone. Hence, flexibility will become a key factor in the future control systems. The adoption of web services and Service-Oriented Architecture (SOA) can provide the requested capability of flexibility. Since the adaptation of SOAs to automation systems has to face time-constrained requirements, particular attention should be paid to real-time web services for deterministic behaviour. This paper proposes a novel framework for the integration of a Time-Constrained SOA (TcSOA) into mass automation systems. Our design enables service encapsulation in filed level and evaluates how real time technologies can be synthesized with web services to enable deterministic performance. 		 
poster icon Poster TUPHA152 [0.438 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA152  
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TUPHA156 Controls Configuration Database at ESS ion, controls, interface, database 775
 
  • R.N. Fernandes, S.R. Gysin, S. Regnell
    ESS, Lund, Sweden
  • S. Sah, M. Vitorovic
    Cosylab, Ljubljana, Slovenia
  • V. Vuppala
    FRIB, East Lansing, USA
  
  At the European Spallation Source (ESS), thousands of (physical and logical) devices will be in production and execute a wide range of functions to enable both the machine and end-station instruments to perform as expected from a controls point of view. Typical examples of such devices are racks, power supplies, motors, pumps, PLCs and IOCs. To properly manage the information of devices in an integrated fashion and at the same time allow external applications (consuming this information) to perform well, an application called Controls Configuration Database (CCDB) was developed at ESS. The present paper introduces this application, describes its features, architecture and technology stack, data concepts, interfaces, and ecosystem; finally, it enumerates development directions that could be pursued to further improve it.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA156  
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TUPHA195 ESPRESSO Instrument Control Electronics and Software: Final Phases Before the Installation in Chile ion, controls, software, electronics 891
 
  • V. Baldini, G. Calderone, R. Cirami, I. Coretti, S. Cristiani, P. Di Marcantonio
    INAF-OAT, Trieste, Italy
  • D. Mégevand
    Université de Genève, Observatoire Astronomique, Versoix, Switzerland
  • M. Riva
    INAF-Osservatorio Astronomico di Brera, Merate, Italy
  
  ESPRESSO, the Echelle SPectrograph for Rocky Exoplanet and Stable Spectroscopic Observations, is undergoing the final testing phases before being shipped to Chile and installed in the Combined Coudé Laboratory (CCL) at the ESO Very Large Telescope site. The integration of the instrument takes place at the Astronomical Observatory of Geneva. It includes the full tests of the Instrument Control Electronics (ICE) and Instrument Control Software (ICS), designed and developed at the INAF-Astronomical Observatory of Trieste. ESPRESSO is the first ESO-VLT permanent instrument which electronics is based on Beckhoff PLCs. Two PLC CPUs shares all the workload of the ESPRESSO functions and through the OPC-UA protocol the PLC communicates with the instrument control software based on VLT control software package. In this phase all the devices and subsystems of ESPRESSO are installed, connected together and verified, mimicking the final working conditions in Chile. This paper will summarize the features of the ESPRESSO control system, the tests performed during the integration in Europe and the main performance obtained before the integration of the whole instrument "on sky" in South America.  
poster icon Poster TUPHA195 [6.514 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA195  
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TUPHA201 UNICOS Framework and EPICS: A Possible Integration ion, controls, EPICS, framework 915
 
  • M. Ritzert
    Heidelberg University, Heidelberg, Germany
  • E. Blanco Viñuela, M. Ostrega, L. Zwalinski
    CERN, Geneva, Switzerland
  
  Funding: This work has been supported by the German Federal Ministry of Education and Research (BMBF).
UNICOS (UNified Industrial Control System) is a CERN-made framework to develop industrial control applications. It follows a methodology based on ISA-88 and provides components in two layers of a control system: control and supervision. The control logic is running in the first layer, in a PLC (Programmable Logic Controller), and, in the second layer, a SCADA (Supervisory Control and Data Acquisition) system is used to interface with the operators and numerous other features (e.g. alarms, archiving, etc.). UNICOS supports SIEMENS WinCC OA as the SCADA system. In this paper, we propose to use EPICS (Experimental Physics and Industrial Control System) as the supervision component of the UNICOS framework. The use case is the control system of a CO2 cooling plant developed at CERN following the UNICOS methodology, which had to be integrated in a control system based on EPICS. The paper describes the methods and actions taken to make this integration feasible, including automatic EPICS database generation, PLC communications, visualization widgets, faceplates and synoptics and their integration into CSS and EPICS, as well as the integration with the BEAST alarm system. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA201  
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TUPHA214 Current Status of IPM Linac Control System ion, controls, EPICS, linac 973
 
  • S. Haghtalab, F. Ghasemi, M. Lamehi
    IPM, Tehran, Iran
  • F. Abbasi Davani
    Shahid Beheshti University, Evin, Tehran, Iran
  • S. Ahmadian
    ILSF, Tehran, Iran
  
  Funding: Institute for research in fundamental sciences (IPM)
This paper reports the progress of the control system for IPM 10 MeV accelerator. As an electron linac, it consists of beam injection acceleration tube, radio frequency production and transmission, target, diagnostics and control and safety. In support of this source, an EPICS-based integrated control system has been designed and being implemented from scratch to provide access to the critical control points and continues to grow to simplify operation of the system. In addition to a PLC-based machine protection component and IO interface, a CSS-based suite of control GUI monitors systems including Modulator and RF, Vacuum, Magnets, and electron gun. An overview of this system is presented in this article. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA214  
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THBPL02 Behavioural Models for Device Control ion, operation, controls, framework 1109
 
  • L. Andolfato, M. Comin, S. Feyrin, M. Kiekebusch, J. Knudstrup, F. Pellegrin, D. Popovic, C. Rosenquist, R. Schmutzer
    ESO, Garching bei Muenchen, Germany
  
  ESO is in the process of designing a new instrument control application framework for the ELT project. During this process, we have used the experience in HW control gained from the first and second generation of VLT instruments that have been in operation for almost 20 years. The preliminary outcome of this analysis is a library of Statecharts models illustrating the behaviour of some of the most commonly used devices in telescope and instrument control systems. This paper describes the architectural aspects taken into consideration when designing the models such as HW/SW state representation, common/specialized behaviour, and failure management. An extension to Harel's formalism to facilitate reusability by dynamic creation of orthogonal regions is also proposed. The paper details the behaviour of some devices like shutters, lamps and motors together with the rationale behind the modelling choices. A mapping of the models to a concrete implementation using real HW components is suggested. Although these models have been designed following the principles of our conceptual architecture, they are still generic and platform independent, so they can be easily reused in other projects.  
video icon Talk as video stream: https://youtu.be/aJr6SkBmsuY  
slides icon Slides THBPL02 [1.520 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THBPL02  
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THBPA01 Cyber Threats, the World Is No Longer What We Knew… ion, controls, network, operation 1137
 
  • S. Perez
    CEA, Arpajon, France
  
  Security policies are becoming hard to apply as instruments are smarter than ever. Every oscilloscope gets its own stick with a Windows tag, everybody would like to control his huge installation through the air, IOT is on every lips' Stuxnet, the recent Ed. Snowden revelations have shown that cyber threat on SCADAs cannot be only played in James Bond movies. This paper aims to give simple advises in order to protect and make our installations more and more secure. How to write security files? What are the main precautions we have to take care of? Where are the vulnerabilities of my installation? Cyber security is everyone's matter, not only the cyber staff's!  
slides icon Slides THBPA01 [9.135 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THBPA01  
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THBPA05 IT Infrastructure Tips and Tricks for Control System and PLC ion, network, controls, device-server 1158
 
  • M. Ostoja-Gajewski
    Solaris National Synchrotron Radiation Centre, Jagiellonian University, Kraków, Poland
  
  The network infrastructure in Solaris (National Synchrotron Radiation Center, Kraków) is carrying traffic between around 900 of physical devices and dedicated virtual machines running Tango control system. The Machine Protection System based on PLCs is also interconnected by network infrastructure. We have performed an extensive measurements of traffic flows and analysis of traffic patterns that revealed congestion of aggregated traffic from high speed acquisition devices. We have also applied the flow based anomaly detection systems that give an interesting low level view on Tango control system traffic flows. All issues were successfully addressed, thanks to proper analysis of traffic nature. This paper presents the essential techniques and tools for network traffic patterns analysis, tips and tricks for improvements and real-time data examples.  
slides icon Slides THBPA05 [3.026 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THBPA05  
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THCPA01 Safety Instrumented Systems and the AWAKE Plasma Control as a Use Case ion, controls, plasma, operation 1206
 
  • E. Blanco Viñuela, H.F. Braunmuller, B. Fernández Adiego, R. Speroni
    CERN, Geneva, Switzerland
  
  Safety is likely the most critical concern in many process industries, yet there is a general uncertainty on the proper engineering to reduce the risks and ensure the safety of persons or material at the same time of providing the process control system. Some of the reasons for this misperception are unclear requirements, lack of functional safety engineering knowledge or incorrect protection functionalities attributed to the BPCS (Basic Process Control System). Occasionally the control engineers are not aware of the hazards inherent to an industrial process and this causes the lack of the right design of the overall controls. This paper illustrates the engineering of the SIS (Safety Instrumented System) and the BPCS of the plasma vapour controls of the AWAKE R&D project, the first proton-driven plasma wakefield acceleration experiment in the world. The controls design and implementation refers to the IEC61511/ISA84 standard, including technological choices, design, operation and maintenance. Finally, the publication reveals usual difficulties appearing in such kind of industrial installations and the actions to be done to ensure the proper functional safety system design.  
slides icon Slides THCPA01 [6.199 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THCPA01  
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THCPA03 Applying Layer of Protection Analysis (LOPA) to Accelerator Safety Systems Design ion, controls, radiation, electron 1217
 
  • F. Tao, J.M. Murphy
    SLAC, Menlo Park, California, USA
  
  Large accelerator safety system design is complex and challenging. The complexity comes from the wide geographical distribution and the entangled control/protection functions that are shared across multiple control systems. To ensure safety performance and avoid unnecessary overdesign, a systematic approach should be followed when setting the functional requirements and the associated safety integrity. Layer of Protection Analysis (LOPA) is a method in IEC61511 for assigning the SIL to a safety function. This method is well suited for complex applications and is widely adopted in the process industry. The outputs of the LOPA study provide not only the basis for setting safety functions design objective, but also a reference document for managing system change and determining test scope. In this paper, SLAC credited safety systems are used to demonstrate the application of this semi-quantitative method. This example will illustrate how to accurately assess the hazardous event, analyze the independence of different protection layers, and determine the reliability of a particular protection function.  
slides icon Slides THCPA03 [2.206 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THCPA03  
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THMPA05 The AFP Detector Control System ion, controls, detector, vacuum 1315
 
  • L. Seabra
    LIP, Lisboa, Portugal
  • E. Banaś, S. Czekierda, Z. Hajduk, J. Olszowska, B. Zabinski
    IFJ-PAN, Kraków, Poland
  • D. Caforio
    Institute of Experimental and Applied Physicis, Czech Technical University in Prague, Praha, Czech Republic
  • P. Sicho
    Czech Republic Academy of Sciences, Institute of Physics, Prague, Czech Republic
  
  The ATLAS Forward Proton (AFP) detector is one of the forward detectors of the ATLAS experiment at CERN aiming at measuring momenta and angles of diffractively scattered protons. Silicon Tracking and Time-of-Flight detectors are located inside Roman Pot stations inserted into beam pipe aperture. The AFP detector is composed of two stations on each side of the ATLAS interaction point and is under commissioning. The detector is provided with high and low voltage distribution systems. Each station has vacuum and cooling systems, movement control and all the required electronics for signal processing. Monitoring of environmental parameters, like temperature, is also available. The Detector Control System (DCS) provides control and monitoring of the detector hardware and ensures the safe and reliable operation of the detector, assuring good data quality. Comparing with DCS systems of other detectors, the AFP DCS main challenge is to cope with the large variety of AFP equipment. This paper describes the AFP DCS system: a detector overview, the operational aspects, the hardware control of the AFP detectors, the high precision movement, cooling, and safety vacuum systems.  
slides icon Slides THMPA05 [1.813 MB]  
poster icon Poster THMPA05 [1.434 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THMPA05  
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THPHA001 CEA Irfu EPICS Environment for the SARAF-LINAC Project ion, controls, EPICS, cryomodule 1335
 
  • F. Gougnaud, Y. Lussignol
    CEA/DSM/IRFU, France
  • J.F. Denis, F. Gohier, T.J. Joannem
    CEA/IRFU, Gif-sur-Yvette, France
  
  Our Institute CEA Saclay Irfu was in charge of the EPICS based control system platform for the accelerator projects Spiral2 at Ganil in Normandy and IFMIF/LIPAc at JAEA/Rokkasho (Japan). Our 3-year collaboration with ESS[*] has given us the opportunity to use new COTS hardware. We have made our CEA Irfu control platform evolve by retaining relevant and evolutive ESS solutions. Currently, CEA Irfu is in charge of the design, construction and commissioning at SNRC of the project SARAF-LINAC[**] (MEBT and Super Conducting Linac) including its control. This paper will present our proposition of architecture for the SARAF Linac using the new CEA Irfu hardware and software platforms.
[*]Status of the European Spallation Source , T. Korhonen October 2014
[**]The SARAF-LINAC project status, N. Pichoff, IPAC'16, Busan, Korean (2016). 		 
poster icon Poster THPHA001 [1.112 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA001  
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THPHA012 Upgrade of Vacuum Control System for Komac Linac and Beamlines controls, vacuum, ion, interface 1358
 
  • J.H. Kim
    KAERI, Gyeongbuk, Republic of Korea
  • Y.-S. Cho, D.I. Kim, H.-J. Kwon, S.G. Lee, Y.G. Song, S.P. Yun
    Korea Atomic Energy Research Institute (KAERI), Gyeongbuk, Republic of Korea
  
  Funding: This work was supported by the Ministry of Science, ICT & Future Planning of the Korean Government
At Korea Multi-purpose Accelerator Complex (KO-MAC), we have been operating a proton linac since 2013 [1]. It consists of a 100 MeV accelerator and 5 operational target rooms. Beam operation at KOMAC is carried out by a home-grown control system with a machine protection system which affects the accelerator the least when the machine suddenly fails. Our work is mainly concentrated on interlock sequence of vacuum related equipments based on a programmable logic controller (PCL). PCLs monitor vacuum status and control vacuum pumps and gate valves. By applying interlock sequence to PCLs connected to the vacuum equipments, we close gate valves to isolate a failed part so the the rest of the accelerator remains under vacuum, and safely shut down the vacuum pumps. Then the MPS receives a signal to safely stop the beam operation to protect the accelerator. We describe in this paper architecture of our PLC on interlock sequence of vacuum related equipment and its implementation.
"vacuum", "Interlock" 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA012  
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THPHA024 SLAC Klystron Test Lab Bake Station Upgrade ion, controls, klystron, vacuum 1393
 
  • S.C. Alverson, P. Bellomo, K.J. Mattison
    SLAC, Menlo Park, California, USA
  
  Funding: SLAC National Accelerator Lab
The Klystron Bake Station at SLAC is a facility for baking out klystrons (high power RF amplifiers) among other equipment in preparation for installation in the linac. The scope of this project was to upgrade the 30 year old controls (based on VMS and CAMAC) to utilize PLC automation and an EPICS user interface. The new system allows for flexible configuration of the bake out schedule which can be saved to files or edited real time both through an EPICS soft IOC as well as a local touch panel HMI. Other improvements include active long term archiving of all data, COTS hardware (replacing custom-built CAMAC cards), email notification of fault states, and graphical user interfaces (old system was command line only). The first station upgraded came online in November 2016 and two more stations are planned to follow this year. Year poster discusses the improvements made and problems encountered in performing the upgrade. 		 
poster icon Poster THPHA024 [2.555 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA024  
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THPHA027 Improvements of the ELBE Control System Infrastructure and SCADA Environment ion, controls, hardware, SCADA 1405
 
  • M. Justus, K.-W. Leege, P. Michel, A. Schamlott, R. Steinbrück
    HZDR, Dresden, Germany
  
  The ELBE Center for High-Power Radiation Sources is driven by a 35 MeV C.W. electron linear accelerator, driving diverse secondary beams, both electromagnetic radiation and particles. Its control system is based on PLCs, fast data acquisition systems and the industrial SCADA system WinCC. In the past five years, require-ments for availability and reliability increased, while at the same time many changes of the machine configuration and instrumentation needed to be handled. Improvements of the control system infrastructure concerning power supply, IT and systems monitoring have been realized and are still under way. Along with the latest WinCC upgrade, we implemented a more redundant SCADA infrastructure and continuously improved our standards for software development.  
poster icon Poster THPHA027 [0.836 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA027  
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THPHA050 Development, Commissioning and Operation of the Large Scale CO2 Detector Cooling Systems for CMS Pixel Phase I Upgrade ion, detector, controls, operation 1478
 
  • M. Ostrega, J. Daguin, S. Pavis, P. Petagna, P. Tropea, B. Verlaat, L. Zwalinski
    CERN, Geneva, Switzerland
  
  During the 2017 Year-end Technical Stop of the Large Hadron Collider at CERN, the CMS experiment has successfully installed a new pixel detector in the frame of Phase I upgrade. This new detector will operate using evaporative CO2 technology as its cooling system. Carbon Dioxide, as state of the art technology for current and future tracking detectors, allows for significant material budget saving that is critical for the tracking performance. The road towards operation of the final CO2 cooling system in the experiment passed through intensive prototype phase at the CMS Tracker Integration Facility (TIF) for both cooling process hardware and its control system. This paper briefly describes the general design of both the CMS and TIF CO2 detector cooling systems, and focuses on control system architecture, operation and safety philosophy, commissioning results and operation experience. Additionally, experience in using the Ethernet IP industrial fieldbus as distributed IO is presented. Various pros and cons of using this technology are discussed, based on the solutions developed for Schneider Premium PLCs, WAGO and FESTO IOs using the UNICOS CPC 6 framework of CERN.  
poster icon Poster THPHA050 [2.879 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA050  
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THPHA053 Status of the LIPAc MEBT Local Control System ion, controls, vacuum, LLRF 1489
 
  • E. Molina Marinas, A. Guirao, L.M. Martinez Fresno, I. Podadera, V. Villamayor
    CIEMAT, Madrid, Spain
  • A. Marqueta
    IFMIF/EVEDA, Rokkasho, Japan
  
  Funding: This work has been partially supported by Spanish government (MINECO) in the frame of the BA Agreement Activities, and (MICINN) under project AIC-A-2011-0654 and FIS2013-40860-R
The Linear Ifmif Prototype Accelerator (LIPAc), is being commissioned in Rokkasho, Japan. The Medium Energy Beam Transport (MEBT) line has already been installed and connected to the ancillary systems, while the mechanical connections to the adjacent systems, the Radio Frequency Quadrupole (RFQ) and the Diagnostics Plate (DP), are under way. The status of the MEBT Local Control System (LCS) was presented in the previous edition of ICALEPCS [*]. Since then, the functional specifications of the MEBT components controls have been completed, the control cabinets have been designed and are now being installed and the software has been written. In this paper, the final architecture and functionality of the MEBT LCS will be described and the preliminary results of its commissioning will be presented.
[*]MEBT and D-Plate Control System Status of the Linear IFMIF Prototype Accelerator. J.Calvo et al. ICALEPCS 2015 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA053  
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THPHA056 The Linac4 Vacuum Control System ion, controls, vacuum, linac 1494
 
  • S. Blanchard, J. De La Gama, R. Ferreira, P. Gomes, A. Gutierrez, G. Pigny, A.P. Rocha
    CERN, Geneva, Switzerland
  • L. Kopylov, M.S. Mikheev
    IHEP, Moscow Region, Russia
  
  Linac4 is 160 MeV H− linear accelerator replacing Linac2 as the first injector to the CERN accelerator complex, that culminates with the Large Hadron Collider. This new linac will increase the beam brightness by a factor of two. The vacuum installation consists of 235 remotely controlled pumps, valves and gauges. These instruments are either controlled individually or driven by pumping stations and gas injection processes. Valves and pumps are interlocked according to gauge pressure levels and pump statuses. The vacuum control system communicates with the beam interlock system, the ion source electronics and the Radio Frequency control system, through cabled digital and analog signals. The vacuum control system is based on commercial Programmable Logical Controllers (Siemens PLCs) and a Supervisory Control And Data Acquisition application (Siemens SCADA: WINCC OA). This paper describes the control architecture and process, and reports on the control requirements and the implemented solutions.  
poster icon Poster THPHA056 [1.361 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA056  
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THPHA059 Design and Implementation of SESAME's Storage Ring Control System controls, ion, power-supply, storage-ring 1498
 
  • I. Saleh, A.A. Abbadi, A. Al-Dalleh, A. Ismail
    SESAME, Allan, Jordan
  
  Funding: IAEA.
SESAME is a synchrotron light source located in Allan, Jordan. It is expected to become operational in late 2017. Storage ring is currently under commissioning. SESAME's control systems are based on EPICS used for developing both soft and hard IOCs. Control System Studio (CSS) is used to build the graphical user interfaces. PLCs are used in machine protection and personal safety systems. VME is used in timing and power supplies control systems. This paper presents progress made in design and development of the Storage ring's control systems including: vacuum, power supplies, RF, diagnostics, cooling, MPS, PSS and timing systems. 		 
poster icon Poster THPHA059 [0.624 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA059  
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THPHA096 ALBA Equipment Protection System, Current Status ion, controls, TANGO, diagnostics 1599
 
  • A. Rubio, G. Cuní, D. Fernández-Carreiras, S. Rubio-Manrique, N. Serra, J. Villanueva
    ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
  
  ALBA is the name of Barcelona's 3GeV Synchrotron Lightsource. In operation since 2012, it currently hosts experiments 24/7 in its 8 beamlines with 3 more in development. The aim of ALBA Equipment Protection System is to avoid damage of hardware by managing sets of permits and interlock signals. The EPS scope covers not only ALBA accelerators and its beamlines but also the accessory laboratories like RF, Optics, Vacuum, etc. It is built on B&R PLCs with CPUs installed in cabinets in ALBA service and experimental areas and a network of remote I/O modules installed in shielded boxes inside the tunnel and other irradiated zones. CPU's and Remote models are interconnected by the X2X field-bus. Signals managed by PLC's include interlocks, temperature readouts, flow-meters, flow-switches, thermo-switches, shutters, pneumatic actuators, fluorescence screens, etc. This paper describes the design and the architecture of the Equipment Protection System, the current status, the tools used by the EPS team and the recent improvements in terms of reaction time and interaction with other systems via Powerlink and fast interlock systems.  
poster icon Poster THPHA096 [1.080 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA096  
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THPHA105 ESS Target Safety System Design ion, target, proton, controls 1622
 
  • A. Sadeghzadeh, L. Coney, O. Ingemansson, M. Mansouri, M. Olsson
    ESS, Lund, Sweden
  
  The purpose of the Target Safety System (TSS) is to protect the public from exposure to unsafe levels of radiation, prevent the release of radioactive material beyond permissible limits, and bring the neutron spallation function into a safe state. In order to fulfill the necessary safety functions, the TSS continually monitors critical parameters within target station systems. If any parameter exceeds an acceptable level, the TSS actuates contactors to cut power to components at the front end of the accelerator and prevent the beam from reaching the target. The TSS is classified as a safety structure, system and component, relevant for the safety of the public and the environment. As such, it requires the highest level of rigor in design and quality for interlock systems at the ESS. Standards are applied to provide a guideline for building the TSS architecture and designing in resistance to single failures and common cause failures. This paper describes the system architecture and design of the TSS, including interfaces with target station and accelerator systems, and explains how the design complies with authority conditions and requirements imposed by development standards.  
poster icon Poster THPHA105 [0.338 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA105  
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THPHA107 Safety Control of the Spiral2 Radioactive Gas Storage System ion, controls, vacuum, monitoring 1629
 
  • Q. Tura, C. Berthe, O. Danna, M. Faye, A. Savalle, J. Suadeau
    GANIL, Caen, France
  
  The phase 1 of the SPIRAL2 facility, extension project of the GANIL laboratory, is under construction and the commissioning had started. During the run phases, radioactive gas, mainly composed of hydrogen, will be extracted from the vacuum chambers. The radioactive gas storage system function is to prevent any uncontrolled release of activated gas by storing it in gas tank during the radioactive decay, while monitoring the hydrogen rate in the tanks under a threshold. This confinement of radioactive materials is a safety function. The filling and the discharge of the tanks are processed with monostable valves, making the storage a passive safety system. Two separate redundant control subsystems, based on electrical hardware technologies, allow the opening of the redundant safety valves, according to redundant pressure captors, redundant di-hydrogen rate analyzers and limit switches of the valves. The redundancy of the design of the control system meets the single failure criterion. The monitoring of the consistency of the two redundant safety subsystems, and the non-safety control functions of the storage process, are then managed by a Programmable Logic Controller.  
poster icon Poster THPHA107 [0.530 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA107  
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THPHA114 CLARA Gun Temperature Control Using Omron PLC ion, controls, gun, EPICS 1646
 
  • A. Oates
    STFC/DL, Daresbury, Warrington, Cheshire, United Kingdom
  
  STFC Daresbury Laboratory is currently commissioning Phase I of CLARA (Compact Linear Accelerator for Research and Applications), a novel FEL (Free Electron Laser) test facility focused on the generation of ultra-short photon pulses of coherent light with high levels of stability and synchronization. In order to maintain phase stability the CLARA gun requires a precision water temperature control system to maintain a gun cavity temperature within 0.028°C. This is achieved by mixing two water circuits with temperatures close to the desired set point. Two temperature measurement systems were evaluated for precision and reliability, the resultant system uses a single Omron PLC which provides all the precision read back and control loops. High resolution input modules and averaging achieve precision temperature monitoring while two PID loops control the coarse and fine temperature control. EPICS control is achieved using the FINS protocol communicating with a Linux IOC. This paper gives details of the system requirements and implementation and also describes initial results.  
poster icon Poster THPHA114 [1.904 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA114  
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THPHA143 Synchronous Motion with S7-1500 PLCs in Neutron Instruments ion, controls, interface, software 1716
 
  • H. Kleines
    FZJ, Jülich, Germany
  
  Control systems of neutron instruments are responsible for the movement of a variety of mechanical axes. In the TANGO based control systems developed by Forschungszentrum Jülich for neutron instruments, Siemens S7-300 PLCs with single axis stepper motor controllers from Siemens or Phytron have been used for this purpose in the past. Synchronous coordinated movement of several axes has been implemented with dedicated 4-axes NC modules (FM357) for the S7-300. In future, the recent S7-1500 PLC family shall be used for motion tasks. With the S7-1500, stepper motor control is possible with low-cost fast digital outputs, so called PTOs (pulse trade outputs). The integrated motion functions of the S7-1500 directly support synchronous movement. The function block interface defined by PLCopen serves as a homogeneous programming interface which is independent of a specific motion controller. For the single crystal diffractometer HEiDi at the research reactor FRM-II a replacement for a S7-300 with FM357 has been implemented based on a S7-1500 PLCs and a PTO module.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA143  
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THPHA144 Industrial Stepping Motors Integration in the UNICOS-CPC Framework ion, controls, framework, SCADA 1720
 
  • J. Fernandez Cortes, E. Blanco Viñuela, L.A. Gonzalez
    CERN, Geneva, Switzerland
  
  A large number of movable devices are present in the field of accelerators and must often be integrated in a control system. Typical examples of these systems are phase shifters and magnetic dipoles among others. The standard industrial control system UNICOS-CPC (UNified Industrial COntrol System for Continuous Process Control) provides a set of generic device types which matches the majority of the industrial equipment employed in process control. This new development extends it with additional device types for precise positioning equipment based on stepping motors. The paper focuses on how the integration on UNICOS was fulfilled, the potential use of the solution and the automatic integration with the CERN real-time FESA (FrontEnd Software Architecture) framework. Finally, it illustrates a couple of use cases that already incorporate the solution: the CTF3 facility, the two-beam acceleration scheme envisioned for CLIC (Compact Linear Collider) and the EuroCirCol project for the measurements of the beam screen prototype for the FCC-hh (Future Circular Collider proton-proton).  
poster icon Poster THPHA144 [1.201 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA144  
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THPHA145 Integration of PLC and PXI Control Systems ion, controls, kicker, hardware 1725
 
  • A. Antoine, C. Boucly, T. Gharsa
    CERN, Geneva, Switzerland
  
  Engineers are often challenged with the need to integrate several technologies to find optimal solutions when designing new control architectures. Generally, the technical solutions chosen require the combination of various industrial products such as PXI systems for applications requiring fast acquisition, analysis and reaction times, while PLCs are commonly used for their reliability and their ability to withstand industrial environments. The needs to exchange information between these different technologies can today be solved by using industrial fieldbuses such as Profibus DP or Profinet IO. This paper describes the technical aspects of the two options, focussing on their advantages and constraints. The experience gained with integrating PXI and PLC systems as part of the 2016 consolidation project of the control of the kicker systems of the Antiproton Decelerator (AD) at CERN will be presented.  
poster icon Poster THPHA145 [1.559 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA145  
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THPHA146 LCLS-II Cryomodule and Cryogenic Distribution Control ion, controls, cryomodule, cryogenics 1729
 
  • K.J. Mattison, M. Boyes, C. Cyterski, D. Fairley, B. Lam
    SLAC, Menlo Park, California, USA
  • C. Hovater
    JLab, Newport News, Virginia, USA
  • J.A. Kaluzny, A. Martinez
    Fermilab, Batavia, Illinois, USA
  
  LCLS-II is a superconducting upgrade to the existing Linear Coherent Light Source at the SLAC National Accelerator Laboratory. Construction is underway with a planned continuous wave beam rate of up to 1 MHz. Two cryogenic plants provide helium to a distribution system, and 37 cryomodules with superconducting cavities will operate with Liquid helium at 2.2K. The cryomodules and distribution system is controlled with networked PLC's and EPICS as an integrated system that work in concert for controlling valves, pressure, flow, and temperature. Interlocks and critical process information is communicated with the Low Level Radio Frequency, vacuum, and magnet systems. Engaging the controls community proved vital in advancing the controls architecture from a conventional design to a centralized, reliable, and cost-effective distributed platform.  
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THPHA147 Conceptual Design of Vacuum Control System for ILSF controls, vacuum, ion, Ethernet 1732
 
  • A. Khalilzadeh, M. Akbari, M. Jafarzadeh, J. Rahighi
    ILSF, Tehran, Iran
  
  Funding: ILSF
The Iranian Light Source Facility (ILSF) is a new 3 GeV third generation synchrotron light source facility with circumference of 528 m, which is in the design stage. In this paper conceptual design of vacuum control system is presented. The control system architecture, Software toolkit and controller in device layer are discussed in this paper. 		 
poster icon Poster THPHA147 [2.578 MB]  
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THPHA150 Introducing Fast Interlocks in the UNICOS-CPC Framework ion, controls, hardware, interlocks 1742
 
  • J.O. Ortola Vidal, E. Blanco Viñuela, M. Vazquez Muñiz
    CERN, Geneva, Switzerland
  
  The CERN UNified Industrial COntrol System framework (UNICOS) with its Continuous Control Package (UNICOS-CPC) is the CERN standard solution for the design and implementation of continuous industrial process control applications. The need of adapting the framework capabilities to the different processes at CERN has brought new challenges. Reacting as fast as possible to an interlock situation to protect equipment is a new requirement which has been introduced in UNICOS-CPC. This paper present the challenges, design and test results of the seamless integration of fast interlocks capabilities in the current UNICOS-CPC package based on conventional PLCs (Programmable Logic Controllers), with a heightened level of flexibility and maturity. The first implementation is employing SIEMENS PLCs but the underlying technique is extensible to the other UNICOS-CPC compliant platforms.  
poster icon Poster THPHA150 [0.428 MB]  
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THPHA151 MARS: Easing Maintenance and Interventions for CERN Controls ion, controls, database, interface 1748
 
  • F. Varela, U. Epting, M. Gonzalez Corral, E. Mandilara, S. Podgorski
    CERN, Geneva, Switzerland
  
  Industrial control systems for the CERN technical infrastructure and accelerator complex consist of a myriad of devices and components geographically distributed around the CERN facilities. In the event of an intervention in such systems, the on-call engineer or the system expert needs detailed information about the nature of the problem, e.g. what device, what problem, intervention procedures, and contextual data like the location of the device, current access conditions to this place, the list of access rights required and whether he/she is granted with these rights. This is of special relevance when the person responsible for the intervention has only limited knowledge of the control system as it is the case for some on-call services. At CERN, this information is scattered over a number of data sources. This paper presents MARS, a web-based tool designed to federate data from heterogeneous sources with the aim of providing support for interventions and maintenance activities. The information can be displayed in a single web page or be accessed through a REST API.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA151  
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THPHA155 PLC Integration in EPICS Environment: Comparison Between OPC Server and Direct Driver Solutions ion, EPICS, controls, rfq 1767
 
  • L. Antoniazzi, A. Baldo, M.G. Giacchini, M. Montis
    INFN/LNL, Legnaro (PD), Italy
  
  In the IFMIF EVEDA project*, INFN-LNL Laboratory has been involved in the design and construction of a normal conducting Radio Frequency Quadrupole (RFQ) used to bunch and accelerate a 130 mA steady beam to 5 MeV. The EPICS based control system** has been entirely developed in house using different hardware solutions: PLC for tasks where security is the most critical feature, VME system where the acquisition speed rate is crucial, common hardware when only integration is required without any particular feature in terms of security. Integration of PLCs into EPICS environment was originally accomplished through OPC DA server*** hosted by a Windows embedded industrial PC. Due to the issues analyzed in injector LCS, LNL proposed to migrate to the usage of EPICS Direct Driver solution based on s7plc****. The driver itself is suitable for direct communication between EPICS and PLCs, but it doesn't take care of data update and synchronization in case of communication failure. As consequence LNL team designed a dedicated method based on state machine to manage and verify data integrity between the two environments, also in case of connection lost or failure.
* httpd://www.ifmif.org
** http://www.aps.anl.gov/epics/
*** www.opcfoundation.org
**** http://Epics.web.psi.ch/software/s7plc/ 		 
poster icon Poster THPHA155 [2.894 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA155  
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THPHA157 IFMIF EVEDA RFQ Local Control System Integration into Main Control System ion, rfq, controls, EPICS 1771
 
  • M. Montis, L. Antoniazzi, A. Baldo, M.G. Giacchini
    INFN/LNL, Legnaro (PD), Italy
  • A. Jokinen
    F4E, Germany
  • A. Marqueta
    IFMIF/EVEDA, Rokkasho, Japan
  
  The RFQ apparatus Local Control System built for IFMIF EVEDA Project* has been designed and realized for being both a standalone architecture and part of a more complex control system composed by different sub-systems. This approach let RFQ's engineers and scientists have a degree of freedom during power tests in Legnaro and during the RFQ integration in IFMIF EVEDA facility in Rokkasho. In this paper we will describe the different aspects observed when the LCS was converted from the standalone configuration to the final integrated one.
* httpd://www.ifmif.org 		 
poster icon Poster THPHA157 [3.961 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA157  
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THPHA158 First Step to Manage Migration to Siemens S7-15XX PLCs using TANGO Framework ion, TANGO, controls, software 1776
 
  • P. Rommeluère, Y.-M. Abiven, A. Buteau, P. Monteiro
    SOLEIL, Gif-sur-Yvette, France
  • P. Betinelli-Deck
    CEA, Gif-sur-Yvette, France
  • S.M. Minolli
    NEXEYA Systems, La Couronne, France
  
  Over the past years, SOLEIL* uses SIEMENS PLCs** as a standard for signal monitoring and security. SOLEIL is today thinking about a major upgrade of the facilities, and has to adapt its organization to face efficient operation and R&D. In this context, automation experts are now merged in a single group. In a middle term, migration from the existing 3XX series PLCs to the new 15XX series will be necessary. As the new 15XX series PLCs do not support Fetch/Write protocol anymore, a first step is the upgrade of TANGO*** PLCServer. This software device ensures data exchange with supervisory applications using TANGO infrastructure. It opens multiple TCP/IP connections to the PLC hardware, manages asynchronous communication to read/write PLC Datablocks and acts as a server for other clients. The upgrade of PLCServer is based on Snap7**** open source Ethernet communication suite for interfacing with Siemens PLCs using the S7 native protocol. This paper details the evolutions, performances and limitations of this new version of the PLCServer.
*French synchrotron light facility
**Programmable Logic Controller
***Toolkit for distributed control systems, supervisory and data acquisition (www.tango-controls.org)
****snap7.sourceforge.net
 		 
poster icon Poster THPHA158 [3.562 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA158  
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THPHA159 What is Special About PLC Software Model Checking? ion, MMI, software, controls 1781
 
  • D. Darvas, I. Majzik
    BUTE, Budapest, Hungary
  • E. Blanco Viñuela
    CERN, Geneva, Switzerland
  
  Model checking is a formal verification technique to check given properties of models, designs or programs with mathematical precision. Due to its high knowledge and resource demand, the use of model checking is restricted mainly to core parts of highly critical systems. However, we and many other authors have argued that automated model checking of PLC programs is feasible and beneficial in practice. In this paper we aim to explain why model checking is applicable to PLC programs even though its use for software in general is too difficult. We present an overview of the particularities of PLC programs which influence the feasibility and complexity of their model checking. Furthermore, we list the main challenges in this domain and the solutions proposed in previous works.  
poster icon Poster THPHA159 [0.444 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA159  
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THPHA160 Experience With Static PLC Code Analysis at CERN ion, controls, software, framework 1787
 
  • C. Tsiplaki Spiliopoulou, E. Blanco Viñuela, B. Fernández Adiego
    CERN, Geneva, Switzerland
  
  The large number of industrial control systems based on PLCs (Programmable Logic Controllers) available at CERN implies a huge number of programs and lines of code. The software quality assurance becomes a key point to ensure the reliability of the control systems. Static code analysis is a relatively easy-to-use, simple way to find potential faults or error-prone parts in the source code. While static code analysis is widely used for general purpose programming languages (e.g. Java, C), this is not the case for PLC programs. We have analyzed the possibilities and the gains to be expected from applying static analysis to the PLC code used at CERN, based on the UNICOS framework. This paper reports on our experience with the method and the available tools and sketches an outline for future work to make this analysis method practically applicable.  
poster icon Poster THPHA160 [0.555 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA160  
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THPHA161 Applying Model Checking to Critical PLC Applications: An ITER Case Study ion, SCADA, controls, software 1792
 
  • B. Fernández Adiego, E. Blanco Viñuela, D. Darvas
    CERN, Geneva, Switzerland
  • B. Avinashkrishna, Y.C. Gaikwad, S. Sreekuttan
    Tata Consultancy Services, Pune, India
  • G.S. Lee
    Mobiis Co., Ltd., Seoul, Republic of Korea
  • R. Pedica
    Vitrociset s.p.a, Roma, Italy
  • I. Prieto Diaz
    IBERINCO, Madrid, Spain
  • Gy. Sallai
    BUTE, Budapest, Hungary
  
  The development of critical systems requires the application of verification techniques in order to guarantee that the requirements are met in the system. Standards like IEC 61508 provide guidelines and recommend the use of formal methods for that purpose. The ITER Interlock Control System has been designed to protect the tokamak and its auxiliary systems from failures of the components or incorrect machine operation. ITER has developed a method to assure that some critical operator commands have been correctly received and executed in the PLC (Programmable Logic Controller). The implementation of the method in a PLC program is a critical part of the interlock system. A methodology designed at CERN has been applied to verify this PLC program. The methodology is the result of 5 years of research in the applicability of model checking to PLC programs. A proof-of-concept tool called PLCverif implements this methodology. This paper presents the challenges and results of the ongoing collaboration between CERN and ITER on formal verification of critical PLC programs.  
poster icon Poster THPHA161 [0.457 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA161  
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THPHA166 Control System Integration of a MicroTCA.4 Based Digital LLRF Using the ChimeraTK OPC UA Adapter ion, LLRF, controls, operation 1811
 
  • R. Steinbrück, M. Kuntzsch, P. Michel
    HZDR, Dresden, Germany
  • M. Hierholzer, M. Killenberg, H. Schlarb
    DESY, Hamburg, Germany
  • C.P. Iatrou, J. Rahm, L. Urbas
    TU Dresden, Dresden, Germany
  
  The superconducting linear electron accelerator ELBE at Helmholtz-Zentrum Dresden-Rossendorf is a versatile light source. It operates in continuous wave (CW) mode to provide a high average beam current. To fulfil the requirements for future high resolution experiments the analogue low level radio frequency control (LLRF) is currently replaced by a digital μTCA.4 based LLRF developed at DESY, Hamburg. Operation and parametrization is realized by a server application implemented by DESY using the ChimeraTK software framework. To interface the WinCC 7.3 based ELBE control system an OPC UA Adapter for ChimeraTK has been developed in cooperation with DESY and Technische Universität Dresden (TUD). The poster gives an overview of the collaborating parties, the variable mapping scheme used to represent LLRF data in the OPC UA server address space and integration experiences with different industrial OPC UA Clients like WinCC 7.3 and LabVIEW.  
poster icon Poster THPHA166 [0.997 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA166  
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THPHA200 BART: Development of a Sample Exchange System for MX Beamlines ion, controls, EPICS, software 1919
 
  • J.D. O'Hea, M.H. Burt, S. Fisher, K.M.J. Jones, K.E. McAuley, G. Preece, M.A. Williams
    DLS, Oxfordshire, United Kingdom
  
  Automation plays a key role in the macromolecular crystallography (MX) beamlines at Diamond Light Source (DLS). This is particularly evident with sample exchange; where fast, reliable, and accurate handling is required to ensure high quality and high throughput data collection. This paper looks at the design, build, and integration of an in-house robot control system. The system was designed to improve reliability and exchange times, provide high sample storage capacity, and accommodate easy upgrade paths, whilst gaining and maintaining in-house robotics knowledge. The paper also highlights how peripheral components were brought under the control of a Programmable Logic Controller (PLC) based integration unit, including a vision system.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-THPHA200  
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