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Status of Vacuum Control System

Status of Vacuum Control System. MACS week June 2011. Progress since the last MACS week 1/2. Vac Controls Design report finished Vacuum sectorization System architecture: Supervisory Control System Frontend Control Hardware Sector Valve Control System Controls principles

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Status of Vacuum Control System

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  1. Status of Vacuum Control System MACS week June 2011 Joachim Wallner

  2. Progress since the last MACS week 1/2 • Vac Controls Design report finished • Vacuum sectorization • System architecture: • Supervisory Control System • Frontend Control Hardware • Sector Valve Control System • Controls principles • Interlock conditions • Deployment scenario • VM with WinCC OA and Matrikon OPC Genie for control system development provided by WP Controls Joachim Wallner

  3. Progress since the last MACS week 2/2 • Vacuum controls equipment identified • Contract for gauges, turbopumps and controllers signed • Controls electronics for fixed pumping groups designed • Decision to use PLC for Sector Valve Control System • Serial device servers acting as interface between Supervisory Control System and Frontend Control Hardware ordered • Digital input and output modules for control of fixed pumping groups ordered • Pending: • Sputter ion pumps + controller tendering in progress, ends in July • Non-evaporable getter pumps direct purchase in July Joachim Wallner

  4. Controls principles (1/2) • Sector control • For generic control each vacuum sector is represented as a state-driven device • Direct control • A restricted group of vacuum experts is allowed to control each device directly via the WinCC OA GUI • Intended to be used only during commissioning and maintenance Joachim Wallner

  5. Controls principles (2/2) • All vacuum devices within a sector belong to this sector and are controlled by the corresponding state-driven device • The components of a fixed pumping group (primary pump, turbopump, valves) are grouped under one basic device and controlled via a CTRL script • Rules for sector valves • In general the downstream (in beam direction) valve belongs to the sector • Exception at MEBT/Sync crossing and first valve at extraction • In treatment lines the upstream valve belongs to the sector • Condition for opening of a sector valve: All gauges and ion pumps have to give a pressure below a certain threshold Joachim Wallner

  6. Sector valve control system • Based on Siemens S7-300 PLC • Switching function outputs of all gauge and ion pump controllers which are used for interlock triggering are directly connected to the inputs of the PLC • Programmer available for 2 months in 4th quarter of 2011 Joachim Wallner

  7. Interlocks • Each sector valve has at least 3 pressure sensors (gauges, ion pumps) assigned • If at least n-1 sensors give a pressure above a certain threshold the closing of the sector valve is triggered  signal to BIS • If a valve closes due to a too high pressure also all neighbouring valves get closed Joachim Wallner

  8. Ongoing activities andplans until next MACS week • XML device definitions • Fully functional controls of fixed pumping groups • Communication between WinCC OA and controls equipment (gauge controller, turbopump controller, controls electronics of primary pump and valves) via MatrikonOPC Server, serial device adapters and digital I/Os • CTRL script • GUI • WinCC OA training at ETM premises in September Joachim Wallner

  9. Schedule for 2011 • Fixed pumping group: July/September • Sputter Ion pumps and NEG pumps: October • Sector Valve Control System: November • Vacuum sector controlled as state-driven device: November • Panels: December/January Joachim Wallner

  10. Thank you for your attention Any questions? Joachim Wallner

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