Beam Transfer Controls (BTC)

BTC

The BTC Section is responsible for the design, development, deployment, exploitation, performance follow-up and maintenance of process automation, controls software and infrastructure for all equipment under the responsibility of the ABT group and associated R&D activities.

 

The responsibilities include:

  • Equipment real-time software, specialist applications and diagnostics tools;
  • Process automation for equipment controls and supervision;
  • Fast controls for equipment protection and timing system;
  • Pulsed signal acquisition, analysis and regulation;
  • Controls integration within accelerator controls infrastructure and interface with operation;
  • Software tools &libraries for high level expert applications development;
  • Automation hardware production, test and maintenance;
  • Participation to the stand by kicker service and ABT equipment operational responsibility role.

 

Project Examples:

LHC Beam Dump Kicker System Controls:

The performance of the extraction kicker system is determined by three operational parameters: its state, its kick time and its kick strength. To reflect this, its control architecture comprises three independent sub-systems, each one dedicated to the control of one specific parameter:

  • The State Control and Surveillance System (SCSS),
  • The Trigger Synchronization and Distribution System (TSDS),
  • The Beam Energy Tracking System (BETS)

The SCSS is based on a fail-safe multi Programmable Logic Controller (PLC) architecture from Siemens®. It ensures the control of states of the global machine and by individual sub-system. This system ensures also the safety of the machine and the people during the maintenance periods and operational phases. Associated with a fast control, Internal Post-Operation Check (IPOC) and eXternal Post-Operation Check (XPOC), the LBDS can be operated from the LHC control room in security in all modes of operation.

 

LHC Beam Dump Kicker System Controls (1).jpg

LHC Beam Dump Kicker System Controls:

The performance of the extraction kicker system is determined by three operational parameters: its state, its kick time and its kick strength. To reflect this, its control architecture comprises three independent sub-systems, each one dedicated to the control of one specific parameter:

  • The State Control and Surveillance System (SCSS),
  • The Trigger Synchronization and Distribution System (TSDS),
  • The Beam Energy Tracking System (BETS)

The SCSS is based on a fail-safe multi Programmable Logic Controller (PLC) architecture from Siemens®. It ensures the control of states of the global machine and by individual sub-system. This system ensures also the safety of the machine and the people during the maintenance periods and operational phases. Associated with a fast control, Internal Post-Operation Check (IPOC) and eXternal Post-Operation Check (XPOC), the LBDS can be operated from the LHC control room in security in all modes of operation.

 

LHC Beam Dump Kicker System Controls (2)

LHC Beam Dump Kicker System Controls:

The performance of the extraction kicker system is determined by three operational parameters: its state, its kick time and its kick strength. To reflect this, its control architecture comprises three independent sub-systems, each one dedicated to the control of one specific parameter:

  • The State Control and Surveillance System (SCSS),
  • The Trigger Synchronization and Distribution System (TSDS),
  • The Beam Energy Tracking System (BETS)

The SCSS is based on a fail-safe multi Programmable Logic Controller (PLC) architecture from Siemens®. It ensures the control of states of the global machine and by individual sub-system. This system ensures also the safety of the machine and the people during the maintenance periods and operational phases. Associated with a fast control, Internal Post-Operation Check (IPOC) and eXternal Post-Operation Check (XPOC), the LBDS can be operated from the LHC control room in security in all modes of operation.

 

LHC Beam Dump Kicker System Controls (3)

LHC Beam Dump Kicker System Controls:

The performance of the extraction kicker system is determined by three operational parameters: its state, its kick time and its kick strength. To reflect this, its control architecture comprises three independent sub-systems, each one dedicated to the control of one specific parameter:

  • The State Control and Surveillance System (SCSS),
  • The Trigger Synchronization and Distribution System (TSDS),
  • The Beam Energy Tracking System (BETS)

The SCSS is based on a fail-safe multi Programmable Logic Controller (PLC) architecture from Siemens®. It ensures the control of states of the global machine and by individual sub-system. This system ensures also the safety of the machine and the people during the maintenance periods and operational phases. Associated with a fast control, Internal Post-Operation Check (IPOC) and eXternal Post-Operation Check (XPOC), the LBDS can be operated from the LHC control room in security in all modes of operation.

 

LHC Beam Dump Kicker System Controls (4)

LHC Beam Dump Kicker System Controls:

The performance of the extraction kicker system is determined by three operational parameters: its state, its kick time and its kick strength. To reflect this, its control architecture comprises three independent sub-systems, each one dedicated to the control of one specific parameter:

  • The State Control and Surveillance System (SCSS),
  • The Trigger Synchronization and Distribution System (TSDS),
  • The Beam Energy Tracking System (BETS)

The SCSS is based on a fail-safe multi Programmable Logic Controller (PLC) architecture from Siemens®. It ensures the control of states of the global machine and by individual sub-system. This system ensures also the safety of the machine and the people during the maintenance periods and operational phases. Associated with a fast control, Internal Post-Operation Check (IPOC) and eXternal Post-Operation Check (XPOC), the LBDS can be operated from the LHC control room in security in all modes of operation.

 

LHC Beam Dump Kicker System Controls (5)

Collimator Positioning Control System:

In the LHC Beam Dumping System (LBDS), a collimator (TCDQ) is installed before the superconducting magnets to absorb and dilute the LHC beam losses that could occur in case of an asynchronous beam dump. It is composed of 3 vacuum tanks containing an absorption blocks made of CFC, installed on a girder of 10 meters long, with a total weight of 3.5 tonnes.

  • 2 DC motors,
  • 8 end-switches for the protection,
  • 6 positioning sensors (linear potentiometer),
  • 8 temperature sensors (Pt100).

The control system is composed of two redundant safety Programmable Logic Controller (PLC) to allow the positioning with optimum safety conditions during LHC energy ramp, with a continuous surveillance of the positioning and the temperature inside the absorber tanks. The accurate position is guaranteed with 25 µm of precision, ensured by two PID loops for the motor regulation.

The TCDQ PLCs are connected to our WinCC server for data logging, as well as remote diagnosis and controls using WinCC web applications.

It also communicated with a Real-Time application programmed in C++ using CERN FESA framework, to interface the system with the CERN controls environment, allowing operators to control and monitor the system during LHC operation.

 

Collimator Positioning Control System (1)

Collimator Positioning Control System:

In the LHC Beam Dumping System (LBDS), a collimator (TCDQ) is installed before the superconducting magnets to absorb and dilute the LHC beam losses that could occur in case of an asynchronous beam dump. It is composed of 3 vacuum tanks containing an absorption blocks made of CFC, installed on a girder of 10 meters long, with a total weight of 3.5 tonnes.

  • 2 DC motors,
  • 8 end-switches for the protection,
  • 6 positioning sensors (linear potentiometer),
  • 8 temperature sensors (Pt100).

The control system is composed of two redundant safety Programmable Logic Controller (PLC) to allow the positioning with optimum safety conditions during LHC energy ramp, with a continuous surveillance of the positioning and the temperature inside the absorber tanks. The accurate position is guaranteed with 25 µm of precision, ensured by two PID loops for the motor regulation.

The TCDQ PLCs are connected to our WinCC server for data logging, as well as remote diagnosis and controls using WinCC web applications.

It also communicated with a Real-Time application programmed in C++ using CERN FESA framework, to interface the system with the CERN controls environment, allowing operators to control and monitor the system during LHC operation.

 

Collimator Positioning Control System (2)

Collimator Positioning Control System:

In the LHC Beam Dumping System (LBDS), a collimator (TCDQ) is installed before the superconducting magnets to absorb and dilute the LHC beam losses that could occur in case of an asynchronous beam dump. It is composed of 3 vacuum tanks containing an absorption blocks made of CFC, installed on a girder of 10 meters long, with a total weight of 3.5 tonnes.

  • 2 DC motors,
  • 8 end-switches for the protection,
  • 6 positioning sensors (linear potentiometer),
  • 8 temperature sensors (Pt100).

The control system is composed of two redundant safety Programmable Logic Controller (PLC) to allow the positioning with optimum safety conditions during LHC energy ramp, with a continuous surveillance of the positioning and the temperature inside the absorber tanks. The accurate position is guaranteed with 25 µm of precision, ensured by two PID loops for the motor regulation.

The TCDQ PLCs are connected to our WinCC server for data logging, as well as remote diagnosis and controls using WinCC web applications.

It also communicated with a Real-Time application programmed in C++ using CERN FESA framework, to interface the system with the CERN controls environment, allowing operators to control and monitor the system during LHC operation.

 

Collimator Positioning Control System (3)

Collimator Positioning Control System:

In the LHC Beam Dumping System (LBDS), a collimator (TCDQ) is installed before the superconducting magnets to absorb and dilute the LHC beam losses that could occur in case of an asynchronous beam dump. It is composed of 3 vacuum tanks containing an absorption blocks made of CFC, installed on a girder of 10 meters long, with a total weight of 3.5 tonnes.

  • 2 DC motors,
  • 8 end-switches for the protection,
  • 6 positioning sensors (linear potentiometer),
  • 8 temperature sensors (Pt100).

The control system is composed of two redundant safety Programmable Logic Controller (PLC) to allow the positioning with optimum safety conditions during LHC energy ramp, with a continuous surveillance of the positioning and the temperature inside the absorber tanks. The accurate position is guaranteed with 25 µm of precision, ensured by two PID loops for the motor regulation.

The TCDQ PLCs are connected to our WinCC server for data logging, as well as remote diagnosis and controls using WinCC web applications.

It also communicated with a Real-Time application programmed in C++ using CERN FESA framework, to interface the system with the CERN controls environment, allowing operators to control and monitor the system during LHC operation.

 

Collimator Positioning Control System (4)

Collimator Positioning Control System:

In the LHC Beam Dumping System (LBDS), a collimator (TCDQ) is installed before the superconducting magnets to absorb and dilute the LHC beam losses that could occur in case of an asynchronous beam dump. It is composed of 3 vacuum tanks containing an absorption blocks made of CFC, installed on a girder of 10 meters long, with a total weight of 3.5 tonnes.

  • 2 DC motors,
  • 8 end-switches for the protection,
  • 6 positioning sensors (linear potentiometer),
  • 8 temperature sensors (Pt100).

The control system is composed of two redundant safety Programmable Logic Controller (PLC) to allow the positioning with optimum safety conditions during LHC energy ramp, with a continuous surveillance of the positioning and the temperature inside the absorber tanks. The accurate position is guaranteed with 25 µm of precision, ensured by two PID loops for the motor regulation.

The TCDQ PLCs are connected to our WinCC server for data logging, as well as remote diagnosis and controls using WinCC web applications.

It also communicated with a Real-Time application programmed in C++ using CERN FESA framework, to interface the system with the CERN controls environment, allowing operators to control and monitor the system during LHC operation.

 

Collimator Positioning Control System (5)

External Post Operation Check:

The External Post Operation Check (XPOC) is a software that runs analysis of data acquired after every LHC beam dump to validate the correct execution of the dump action.

It is developed in Java using the Post Mortem Analysis framework provided by CERN controls group to perform analysis of LHC equipment after every emergency beam dump.

The XPOC server will create an event with all collected data attached, then will run various analysers, using the algorithms provided in a separate library, and will block LHC operation in case any fault is detected. Eventually the analysis results can be viewed and analysed by ABT experts using a XPOC GUI developed using Java Swing.

The data to analyse comprises internal signals of LHC Beam Dumping System (LBDS) under ABT responsibility, like generator voltages, magnet currents and numerous triggers, as well as various Beam Instrumentation (BI) data such as beam losses around extraction point, beam intensities in LHC ring and in extraction channel, beam position in extraction channel, and image of the beam position on the dump block.

 

External Post Operation Check (1)

External Post Operation Check:

The External Post Operation Check (XPOC) is a software that runs analysis of data acquired after every LHC beam dump to validate the correct execution of the dump action.

It is developed in Java using the Post Mortem Analysis framework provided by CERN controls group to perform analysis of LHC equipment after every emergency beam dump.

The XPOC server will create an event with all collected data attached, then will run various analysers, using the algorithms provided in a separate library, and will block LHC operation in case any fault is detected. Eventually the analysis results can be viewed and analysed by ABT experts using a XPOC GUI developed using Java Swing.

The data to analyse comprises internal signals of LHC Beam Dumping System (LBDS) under ABT responsibility, like generator voltages, magnet currents and numerous triggers, as well as various Beam Instrumentation (BI) data such as beam losses around extraction point, beam intensities in LHC ring and in extraction channel, beam position in extraction channel, and image of the beam position on the dump block.

 

External Post Operation Check (2).png

External Post Operation Check:

The External Post Operation Check (XPOC) is a software that runs analysis of data acquired after every LHC beam dump to validate the correct execution of the dump action.

It is developed in Java using the Post Mortem Analysis framework provided by CERN controls group to perform analysis of LHC equipment after every emergency beam dump.

The XPOC server will create an event with all collected data attached, then will run various analysers, using the algorithms provided in a separate library, and will block LHC operation in case any fault is detected. Eventually the analysis results can be viewed and analysed by ABT experts using a XPOC GUI developed using Java Swing.

The data to analyse comprises internal signals of LHC Beam Dumping System (LBDS) under ABT responsibility, like generator voltages, magnet currents and numerous triggers, as well as various Beam Instrumentation (BI) data such as beam losses around extraction point, beam intensities in LHC ring and in extraction channel, beam position in extraction channel, and image of the beam position on the dump block.

 

External Post Operation Check (3)

External Post Operation Check:

The External Post Operation Check (XPOC) is a software that runs analysis of data acquired after every LHC beam dump to validate the correct execution of the dump action.

It is developed in Java using the Post Mortem Analysis framework provided by CERN controls group to perform analysis of LHC equipment after every emergency beam dump.

The XPOC server will create an event with all collected data attached, then will run various analysers, using the algorithms provided in a separate library, and will block LHC operation in case any fault is detected. Eventually the analysis results can be viewed and analysed by ABT experts using a XPOC GUI developed using Java Swing.

The data to analyse comprises internal signals of LHC Beam Dumping System (LBDS) under ABT responsibility, like generator voltages, magnet currents and numerous triggers, as well as various Beam Instrumentation (BI) data such as beam losses around extraction point, beam intensities in LHC ring and in extraction channel, beam position in extraction channel, and image of the beam position on the dump block.

 

External Post Operation Check (4)

External Post Operation Check:

The External Post Operation Check (XPOC) is a software that runs analysis of data acquired after every LHC beam dump to validate the correct execution of the dump action.

It is developed in Java using the Post Mortem Analysis framework provided by CERN controls group to perform analysis of LHC equipment after every emergency beam dump.

The XPOC server will create an event with all collected data attached, then will run various analysers, using the algorithms provided in a separate library, and will block LHC operation in case any fault is detected. Eventually the analysis results can be viewed and analysed by ABT experts using a XPOC GUI developed using Java Swing.

The data to analyse comprises internal signals of LHC Beam Dumping System (LBDS) under ABT responsibility, like generator voltages, magnet currents and numerous triggers, as well as various Beam Instrumentation (BI) data such as beam losses around extraction point, beam intensities in LHC ring and in extraction channel, beam position in extraction channel, and image of the beam position on the dump block.

 

External Post Operation Check (5)

KFA45 Control System Upgrade:

The KFA45 injection kicker magnets inject the beam transferred from Proton Synchrotron Booster (PSB) into the Proton Synchrotron (PS) accelerator and as such is a crucial system within the CERN accelerator chain. Under the scope of the CERN LIU (LHC injectors Upgrade) project for HL-LHC, the KFA45 control system has been upgraded to the latest technologies and standards, providing substantial remote control and monitoring possibility, increased diagnostic capability and greater ease of maintenance.

The Slow Controls, distributed Programmable Logic Controller (PLC) based control, is the ‘heart’ of the control system, insuring the safety of persons and kicker systems. It is implemented using Siemens® PLCs, allowing remote control HMI using Siemens® WinCC.

It implements a state machine responsible for sequential start-up and monitoring of power supplies and distribution, SF6 pressurised High Voltage (HV) insulation, circulating hydraulic cooling and monitoring for the thyratrons HV switches, heating control of the thyratron cathodes and reservoirs, the surveillance of the Resonant Charging Power Supplies (RCPS) and associated Capacitor Discharge and Protection Unit (CDPU), safety interlocking and emergency stop. It is also connected to various controls subsystems like:

 

KFA45 Control System Upgrade (1)

KFA45 Control System Upgrade:

The KFA45 injection kicker magnets inject the beam transferred from Proton Synchrotron Booster (PSB) into the Proton Synchrotron (PS) accelerator and as such is a crucial system within the CERN accelerator chain. Under the scope of the CERN LIU (LHC injectors Upgrade) project for HL-LHC, the KFA45 control system has been upgraded to the latest technologies and standards, providing substantial remote control and monitoring possibility, increased diagnostic capability and greater ease of maintenance.

The Slow Controls, distributed Programmable Logic Controller (PLC) based control, is the ‘heart’ of the control system, insuring the safety of persons and kicker systems. It is implemented using Siemens® PLCs, allowing remote control HMI using Siemens® WinCC.

It implements a state machine responsible for sequential start-up and monitoring of power supplies and distribution, SF6 pressurised High Voltage (HV) insulation, circulating hydraulic cooling and monitoring for the thyratrons HV switches, heating control of the thyratron cathodes and reservoirs, the surveillance of the Resonant Charging Power Supplies (RCPS) and associated Capacitor Discharge and Protection Unit (CDPU), safety interlocking and emergency stop. It is also connected to various controls subsystems like:

 

KFA45 Control System Upgrade (2)

KFA45 Control System Upgrade:

The KFA45 injection kicker magnets inject the beam transferred from Proton Synchrotron Booster (PSB) into the Proton Synchrotron (PS) accelerator and as such is a crucial system within the CERN accelerator chain. Under the scope of the CERN LIU (LHC injectors Upgrade) project for HL-LHC, the KFA45 control system has been upgraded to the latest technologies and standards, providing substantial remote control and monitoring possibility, increased diagnostic capability and greater ease of maintenance.

The Slow Controls, distributed Programmable Logic Controller (PLC) based control, is the ‘heart’ of the control system, insuring the safety of persons and kicker systems. It is implemented using Siemens® PLCs, allowing remote control HMI using Siemens® WinCC.

It implements a state machine responsible for sequential start-up and monitoring of power supplies and distribution, SF6 pressurised High Voltage (HV) insulation, circulating hydraulic cooling and monitoring for the thyratrons HV switches, heating control of the thyratron cathodes and reservoirs, the surveillance of the Resonant Charging Power Supplies (RCPS) and associated Capacitor Discharge and Protection Unit (CDPU), safety interlocking and emergency stop. It is also connected to various controls subsystems like:

 

KFA45 Control System Upgrade (3)

KFA45 Control System Upgrade:

The KFA45 injection kicker magnets inject the beam transferred from Proton Synchrotron Booster (PSB) into the Proton Synchrotron (PS) accelerator and as such is a crucial system within the CERN accelerator chain. Under the scope of the CERN LIU (LHC injectors Upgrade) project for HL-LHC, the KFA45 control system has been upgraded to the latest technologies and standards, providing substantial remote control and monitoring possibility, increased diagnostic capability and greater ease of maintenance.

The Slow Controls, distributed Programmable Logic Controller (PLC) based control, is the ‘heart’ of the control system, insuring the safety of persons and kicker systems. It is implemented using Siemens® PLCs, allowing remote control HMI using Siemens® WinCC.

It implements a state machine responsible for sequential start-up and monitoring of power supplies and distribution, SF6 pressurised High Voltage (HV) insulation, circulating hydraulic cooling and monitoring for the thyratrons HV switches, heating control of the thyratron cathodes and reservoirs, the surveillance of the Resonant Charging Power Supplies (RCPS) and associated Capacitor Discharge and Protection Unit (CDPU), safety interlocking and emergency stop. It is also connected to various controls subsystems like:

 

KFA45 Control System Upgrade (4)

KFA45 Control System Upgrade:

The KFA45 injection kicker magnets inject the beam transferred from Proton Synchrotron Booster (PSB) into the Proton Synchrotron (PS) accelerator and as such is a crucial system within the CERN accelerator chain. Under the scope of the CERN LIU (LHC injectors Upgrade) project for HL-LHC, the KFA45 control system has been upgraded to the latest technologies and standards, providing substantial remote control and monitoring possibility, increased diagnostic capability and greater ease of maintenance.

The Slow Controls, distributed Programmable Logic Controller (PLC) based control, is the ‘heart’ of the control system, insuring the safety of persons and kicker systems. It is implemented using Siemens® PLCs, allowing remote control HMI using Siemens® WinCC.

It implements a state machine responsible for sequential start-up and monitoring of power supplies and distribution, SF6 pressurised High Voltage (HV) insulation, circulating hydraulic cooling and monitoring for the thyratrons HV switches, heating control of the thyratron cathodes and reservoirs, the surveillance of the Resonant Charging Power Supplies (RCPS) and associated Capacitor Discharge and Protection Unit (CDPU), safety interlocking and emergency stop. It is also connected to various controls subsystems like:

 

KFA45 Control System Upgrade (5)

Power Distributor Controller:

Power Distributor Controller (PDC) are used to distribute and monitor the power sent to our equipment. It is typically used to supply kicker magnet high voltage pulse generators.

Furthermore, the PDC is used to electrically lock-out the electrical network, to be able to safely intervene on our equipment. The PDC is controlled by a Siemens® Programmable logic controller (PLC). This PLC also monitors the power consumption.

The status of the PDC is followed on an HMI (Human Machine Interface).

The PDC electrical design as well as the PLC programming are done at CERN by the BTC section.

The manufacturing of the PDC is done outside CERN.

 

Power Distributor Controller (1)

Power Distributor Controller:

Power Distributor Controller (PDC) are used to distribute and monitor the power sent to our equipment. It is typically used to supply kicker magnet high voltage pulse generators.

Furthermore, the PDC is used to electrically lock-out the electrical network, to be able to safely intervene on our equipment. The PDC is controlled by a Siemens® Programmable logic controller (PLC). This PLC also monitors the power consumption.

The status of the PDC is followed on an HMI (Human Machine Interface).

The PDC electrical design as well as the PLC programming are done at CERN by the BTC section.

The manufacturing of the PDC is done outside CERN.

 

Power Distributor Controller (2)

Power Distributor Controller:

Power Distributor Controller (PDC) are used to distribute and monitor the power sent to our equipment. It is typically used to supply kicker magnet high voltage pulse generators.

Furthermore, the PDC is used to electrically lock-out the electrical network, to be able to safely intervene on our equipment. The PDC is controlled by a Siemens® Programmable logic controller (PLC). This PLC also monitors the power consumption.

The status of the PDC is followed on an HMI (Human Machine Interface).

The PDC electrical design as well as the PLC programming are done at CERN by the BTC section.

The manufacturing of the PDC is done outside CERN.

 

Power Distributor Controller (3)

Power Distributor Controller:

Power Distributor Controller (PDC) are used to distribute and monitor the power sent to our equipment. It is typically used to supply kicker magnet high voltage pulse generators.

Furthermore, the PDC is used to electrically lock-out the electrical network, to be able to safely intervene on our equipment. The PDC is controlled by a Siemens® Programmable logic controller (PLC). This PLC also monitors the power consumption.

The status of the PDC is followed on an HMI (Human Machine Interface).

The PDC electrical design as well as the PLC programming are done at CERN by the BTC section.

The manufacturing of the PDC is done outside CERN.

 

Power Distributor Controller (4)

Power Distributor Controller:

Power Distributor Controller (PDC) are used to distribute and monitor the power sent to our equipment. It is typically used to supply kicker magnet high voltage pulse generators.

Furthermore, the PDC is used to electrically lock-out the electrical network, to be able to safely intervene on our equipment. The PDC is controlled by a Siemens® Programmable logic controller (PLC). This PLC also monitors the power consumption.

The status of the PDC is followed on an HMI (Human Machine Interface).

The PDC electrical design as well as the PLC programming are done at CERN by the BTC section.

The manufacturing of the PDC is done outside CERN.

 

Power Distributor Controller (5)