1. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status LHC Collimators Low Level Control Commissioning status A. Masi 1.Control system hardware upgrades 2.Control system software changes 3.Commissioning status Contents

2. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 1–Control system hardware upgrades Old controls rack configuration New controls rack Control cables protection system New PXI high availability chassis Added KVM for PXI remote management Not touched !!!!

3. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 1–Control system hardware upgrades High Availability PXI chassis designed and manufactured for the LHC collimators project Redundant hot swappable power supply Health Monitoring card Redundant easy replaceable fans

4. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 1–Control system hardware upgrades New electrical distribution chassis

5. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 1–Control system hardware upgrades TDI improvements connection to the BETS Installation of the interferometric gap measurement system Optical connectors NI RDIO HSSL Interface Europa Crate Redundant power-supply Optical link cards to the BETS ready to be produced An additional FESA class will be added to publish and manage the interferometric gap measurement

6. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 1–Control system hardware upgrades LVDT Position drift due to external field The I2PS is not affected 10 LVDT affected by magnetic interference problem replaced with a new designed Ironless Inductive Position Sensor (I2PS) See CWG talk by A. Danisi on Sep 2013

7. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 1–Control system hardware upgrades New temperatures sensors integration 140 new temperature sensors integrated in the existing PLC monitoring system Hardware commissioning successfully performed New configurations files generated for the UNICOS framework Monitoring software commissioning with EN-ICE automatic scripts in progress

8. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 2–Control system software changes Main software changes: MDC (Motor Drive Control) : upgraded to LabView 2011, software architecture improved and optimized PRS (Position Readout & Survey) : upgraded to LabView 2011, software architecture improved and optimized, integrated reading of I2PS DIM library : updated and added a more efficient acknowledgement mechanism FESA class : completely re-written in FESA 3.0

9. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 2–Control system software changes Impact for operation: Added separation limits : PRS errors : Two new bits will be added for separation : B17 : POSITION_OUT_OF_SEPARATION B18: SEPARATION_TIMEOUT PRS warnings : A new bit will be added for separation : B5 : POSITION_OUT_OF_SEPARATION_WARNING A new allarm Two new properties to define the Active IP: - SeparationActiveIP : like betastar, used to select the separation value to be used - SeparationThreshold : like betastar, 4 2D arrays defining limits to be interpolated (Inner/Outer for gap upstream and downstream) Waiting for new telegram definition Some old alarms can be removed or simplified Additional information have been added to the postmortem buffer: - pmGapUpSeparationInnerLimit - pmGapUpSeparationOuterLimit - pmGapDownSeparationInnerLimit - pmGapDownSeparationOutererLimit - pmSeparationValue

10. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 3. Commissioning plan Commissioning guidelines: As for 2008 the following steps will be followed before making the full system fully operational: Hardware commissioning  EN-STI Position sensors calibration  EN-STI + support of the collimation team for the new collimators Functional tests on the entire system or system subsets  EN-STI + Collimation Team Machine Interlocks test  Collimation Team Dry-run  BE-OP

11. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 3. Commissioning status Number of systems Network Installation 230V power supply R2E cabling Control System Installation Systems ready for commissioning US154OK UA236 + TDIOK - UA272OK - UJ337-OK-OkYES USC554OK US651-OK- TZ7621OK UA832OK - UA875 + TDIOK - BA71OK - YES The commissioning plan is being defined according to the installation status and the dates of the cool down

12. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 3. Commissioning status EN-STI Hardware commissioning status TaskStatusComments Collimators + control system functional HW commissioning Completed Position sensors calibration and validationCompleted Including the new I2PS sensors Interlocks chain HW testsCompleted Remote Reset testsCompleted Remote Torque measurementsCompleted New temperature sensors integration in UNICOS Completed Temperatures hardware commissioningIn progress Expected to finish by the end of the week (2/03/2015)

13. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 3. Commissioning status Task: Software (i.e. all the chain FESA + DIM + PRS/MDC) functional test Status: Completed Action: STI Test plan coverage percentage: 80 % Tool used: Test bench in 272 + Our own custom sequencer Comments: the test plan is not able to cover: Beta star and energy limits dynamic test Timing payloads Stress conditions related to the operation of several collimators on the same gateway What have been missing in our tests plan

14. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 3. Commissioning status Task: Stress tests on the low level software Status: In progress Action: STI/Collimation team Test plan coverage percentage: try to cover at least the 1 st year operation cases Tool used: All the LHC collimators + most demanding operational sequences Comments: The idea is to stress the system as much as possible and to cover the rare operational scenarios. For instance: The longest profiles possible Exceptions test (i.e. bad profiles, bad limits, commands to be rejected in the current state) Stop/Resume profiles Unusual tilt conditions

15. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 3. Commissioning plan Task: Operation commissioning Status: In progress Action: Collimation team Test plan coverage percentage: try to cover at least the 1 st year operation cases Tool used: All the LHC collimators + common operational sequences Comments: The goals are: Discover functional bugs escaped to our functional verification Analyze system health data during the system normal operation Discover as much as possible problems on the new hardware

16. LHC Collimators Low Level Control Commissioning Status A Masi, LHC Collimators Low Level Control Commissioning Status 4. Conclusions All the LHC collimators are operational and are in commissioning phase The last months operation of the entire system has been precious to detect hardware problems, verify the behavior of the low level with several collimators in parallel, discover bugs escaped to our validation procedure A special thank to the collimation team for their efforts and the strong interaction with the experts In the coming 3 weeks the effort should focus on the extension of the operation test plan coverage to take into account at least the 1 st year of operation The key of success is testing, testing and again testing ….