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ALICE PC Rack Cooling System Sensor

ALICE PC Rack Cooling System Sensor. Marco Boccioli Andr é Augustinus. Giulia Fanti F.W. Olin College of Engineering. ALICE PC Cooling System. Horizontal cooling Water to air heat exchanger System mounted on door 3 fans per door. Objective. Sense whether cooling system is functional

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ALICE PC Rack Cooling System Sensor

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  1. ALICE PC Rack Cooling System Sensor Marco Boccioli André Augustinus Giulia Fanti F.W. Olin College of Engineering

  2. ALICE PC Cooling System • Horizontal cooling • Water to air heat exchanger • System mounted on door • 3 fans per door

  3. Objective • Sense whether cooling system is functional • Door closed • Fans operational • Provide clear UI to allow user to monitor situation • Secondary method to sense cooling • Temperature sensors already in place • Allow action before temperature rises too much

  4. Hardware • Switch wiring on racks • Fans connected in series • Door connectivity • 3 options: • ELMB • WAGO PLC • Siemens PLC • I/O System: WAGO • Siemens PLC more expensive • Non-critical system • Moderately large-scale execution

  5. Initial Proof of Concept • Small-scale proof of concept • Use available PFC

  6. Larger scale extension • Software-based • Materials lacking • CTRL scripting • Specific to PVSS • mass parameterization • JCOP Framework • Developed by CERN IT department • Naming conventions/guidelines • Software supporting common tasks • Standardizes controls development • WAGO not explicitly supported by fw

  7. User Interface – Hardware View Device Creation Datapoint Monitoring PLC Unit Door Unit JCOP Device Editor/Navigator

  8. UI – Other Modifications Revise existing monitoring panels ELMB Monitoring

  9. Device Abstraction • Logical View • FSM • More intuitive for operators • Control/Logical Units, Device Units • Hides hardware details • Currently incomplete • sets up devices • Does not define states/actions

  10. Acknowledgements • André Augustinus • Marco Boccioli • UM-REU Program • ALICE DCS Group • CERN

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