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SS and AFC Control Systems

SS and AFC Control Systems. Brian Martlew 21 st Sept 2011. 2 - Overview. Initially the plan was only to design and build control systems for integration of the Spectrometer Solenoid and AFC into the MICE hall.

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SS and AFC Control Systems

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  1. SS and AFC Control Systems Brian Martlew 21st Sept 2011

  2. 2 - Overview • Initially the plan was only to design and build control systems for integration of the Spectrometer Solenoid and AFC into the MICE hall. • During the formulation of a recovery plan for the SS the need for a control system that could be used during the cooldown, testing and field mapping was identified. • Similarly, a requirement for monitoring and control during the cooldown and testing of the AFC at Tesla and RAL exists. • DL has taken on responsibility for the design, build and commission of both systems (as well as the final hall systems).

  3. 3 - Design • Requirements for both systems are similar, therefore a common hardware design has been developed. • 19” rack • VME crate – MVME5500 PPC CPU • RS232 Serial comms • 16-bit analogue input/output • DL standard Canbus interlock modules • Cable terminals for connection of instrumentation, PSUs etc. • EPICS with control synoptics, archiving etc • This is essentially identical to other DL supplied systems already in use on MICE (ie. DS, beamline magnets, target).

  4. 4 - Spectrometer Solenoid - Details • Detailed document produced by Ian Mullacrane detailing interface and control requirements. • Included: • Control/monitoring of magnet power supplies • Monitoring of temperatures • Monitoring of levels • Control of heaters • Control/monitoring of cryo-compressors • Not included: • Vacuum monitoring – provided by FNL • Monitoring of voltage taps / quench detection – FNL • Process control requirements still being developed – but minimal needs anticipated for cooldown and initial testing

  5. 5 - AFC - Details • Requirements from Tom Bradshaw • For testing at Tesla: • Monitoring only • For acceptance tests in R9, RAL • Monitoring • Quench protection (likely to be minimal) • For full hall integration • Monitoring • Quench protection • Control of top plate temp & pressure • Remote monitoring and control • Automation

  6. 6 – Project Milestones • 30th Sept Procurement complete • 28th Oct Assembly of AFC rack complete • 15th Nov AFC rack testing at DL complete • 17th Nov AFC rack ready for shipping • 24th Nov AFC rack delivered to Tesla • 18th Nov Assembly of SS rack complete • 6th Dec SS rack testing at DL complete • 8th Dec SS rack ready for shipping • 22nd Dec SS rack delivered to Wang NMR

  7. 7– Future • Systems for hall integration of both SS and AFC will be of very similar design and will incorporate lessons learned during the early stage testing • Plan is to re-use one of the portable systems for testing of RFCCs (details yet to be agreed)

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