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HARPS-NEF

HARPS-NEF. ELECTRICAL SYSTEMS Tom Gauron. HARPS-NEF ELECTRICAL SYSTEMS. Electrical Systems Functional Blocks System Physical Layout Subsystem Detail Front End Physical Layout Auxiliary Room Electronics Racks Power Summary. Figure 1 – System Function Diagram. HARPS-NEF ELECTRICAL SYSTEMS.

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HARPS-NEF

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  1. HARPS-NEF ELECTRICAL SYSTEMS Tom Gauron HARPS-NEF PDR December 6 & 7, 2007

  2. HARPS-NEFELECTRICAL SYSTEMS • Electrical Systems Functional Blocks • System Physical Layout • Subsystem Detail • Front End Physical Layout • Auxiliary Room Electronics Racks • Power Summary HARPS-NEF PDR December 6 & 7, 2007

  3. Figure 1 – System Function Diagram HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  4. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  5. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  6. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  7. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  8. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  9. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  10. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  11. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  12. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  13. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  14. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  15. HARPS-NEFELECTRICAL SYSTEMS • Physical Layout (Figure 2) • SAO electrical subassemblies are located in two, liquid cooled, 19in racks in auxiliary room • Vacuum control rack containing vacuum and spectrograph temperature controller is not liquid cooled. • Science detector located in cryostat on spectrograph • Shutter in fiber Scrambler • Exposure meter in vacuum system • Front End electrical box on telescope houses step motor drivers, piezoelectric control, guide detector electronics, and support functions • Front End containing optics and associated mechanisms, including piezoelectric tip/tilt stage HARPS-NEF PDR December 6 & 7, 2007

  16. HARPS-NEFELECTRICAL SYSTEMS Figure 2 – System Layout HARPS-NEF PDR December 6 & 7, 2007

  17. HARPS-NEFELECTRICAL SYSTEMS • Detectors • Science Discussed in detail in detector section. • Science camera E2V 4k x 4k CCD and preamps located on spectrograph • Science camera electronics located in detector rack • Science camera EDT optical fiber data interface PWB located in devices computer in control rack • Guider Discussed in detail in detector section. • Guide camera E2V 2k x 2k CCD located in Front End • Guide camera electronics based on Carnegie design located in Front End electronics box. • Guide camera custom optical data interface PWB, based on Carnegie design, located in devices computer in control rack. HARPS-NEF PDR December 6 & 7, 2007

  18. HARPS-NEFELECTRICAL SYSTEMS EDT - Science Camera Data Interface Hardware HARPS-NEF PDR December 6 & 7, 2007

  19. HARPS-NEFELECTRICAL SYSTEMS • Temperature Control & Monitoring • Sensors • Dallas DS18S20 precision 1-Wire digital interface for general purpose temperature readout. Used in racks and Front End. • CCD temperature sensor, TBD, used for CCD temperature readout • RTD sensors used for monitoring critical environment temperatures. Read out using Lakeshore Model 218 temperature meter • Detector cold biased using controlled LN2 to CFC and servo controlled up to operational temperature using Lakeshore controller and heater resistors. • HTE1 and HTE2 temperatures controlled using commercial air coolers. • Spectrograph inner thermal environment (HTE3) actively heated to operating temperature. Controller: Lakeshore. HARPS-NEF PDR December 6 & 7, 2007

  20. HARPS-NEFELECTRICAL SYSTEMS Lakeshore – Model 325 - HTE3 Temperature Controller HARPS-NEF PDR December 6 & 7, 2007

  21. HARPS-NEFELECTRICAL SYSTEMS Lakeshore – Model 218 – HTE1 & HTE2 Temperature Monitor HARPS-NEF PDR December 6 & 7, 2007

  22. HARPS-NEFELECTRICAL SYSTEMS • Power Control & Conditioning • Conversion of facility 240VAC/50Hz to 120VAC/60Hz using conversion type UPS. (DRC 3000TR) • AC power control via Ethernet using Pulizzi smart power controllers • Transient protection and line filtering provided in racks and Front End electronics box. • Line filtering provided HARPS-NEF PDR December 6 & 7, 2007

  23. HARPS-NEFELECTRICAL SYSTEMS UPS – DRC 3000TR Pulizzi – IPC3400-NET HARPS-NEF PDR December 6 & 7, 2007

  24. HARPS-NEFELECTRICAL SYSTEMS Phoenix Contact TRABTECH Protection Devices Schaffner Line Filter HARPS-NEF PDR December 6 & 7, 2007

  25. HARPS-NEFELECTRICAL SYSTEMS • Motion Control • Step motors used for all conventional stages • IMS MforcePlus2 step motor controller/drivers used for mechanism control. RS-485 multidrop interface • Physik Instrumente LVPZT controller driver and stage used for mirror tip/tilt control. RS-232 interface HARPS-NEF PDR December 6 & 7, 2007

  26. HARPS-NEFELECTRICAL SYSTEMS IMS – Mforce Step Motor Controller/Driver HARPS-NEF PDR December 6 & 7, 2007

  27. HARPS-NEFELECTRICAL SYSTEMS HARPS-NEF PDR December 6 & 7, 2007

  28. HARPS-NEFELECTRICAL SYSTEMS Calibration Hardware • Calibration Box (Figure 3) • Th-Ar lamps (3), Halogen lamp (1), fiber illuminator for external light source (1), two fibers on linear stages, positioned to select lamp or dark position • Photodiode indication of lamp state ON/OFF • Local Control Unit – Calibration Box Support (Figure 4) • Step motor controller for light source select stages • High voltage power supplies for Th-Ar lamps • Low voltage power supplies for halogen lamp HARPS-NEF PDR December 6 & 7, 2007

  29. HARPS-NEFELECTRICAL SYSTEMS Figure 3 - Calibration Box Diagram HARPS-NEF PDR December 6 & 7, 2007

  30. Figure 4 LCU Box Diagram HARPS-NEF PDR December 6 & 7, 2007

  31. HARPS-NEFELECTRICAL SYSTEMS S&J Juniper - Standard Pattern HCL EMCO – HC20 HCL Power Supply Gilway – Typical Halogen Lamps Acopian – Typical Halogen LVPS HARPS-NEF PDR December 6 & 7, 2007

  32. HARPS-NEFELECTRICAL SYSTEMS • Communications and Data Handling • Ethernet switches • WHT network switch • HARPS-NEF local network switch • KVM and KVM switch for remote CPU operation • Ethernet to RS-232 conversion for interfacing to various controllers • Embedded Gumstix computer with custom PWB for physical and electrical interface to hardware. Provides 1-WireTM interfaces as well as discrete control functions, TBD HARPS-NEF PDR December 6 & 7, 2007

  33. HARPS-NEFELECTRICAL SYSTEMS ADVANTECH – ADAM-4570 Serial Server Gumstix – Verdex XL60 Motherboard HARPS-NEF PDR December 6 & 7, 2007

  34. HARPS-NEFELECTRICAL SYSTEMS • Vacuum Systems & OG Provided Controllers • Controller for vacuum pump • Spectrograph thermal zone temperature readout and control • Air temperature readout for HTE1-3. • Heater control for HTE3 HARPS-NEF PDR December 6 & 7, 2007

  35. HARPS-NEFELECTRICAL SYSTEMS • Front End Assembly Physical Layout (Figure 5) • Mechanisms • Fiber protector • Calibration mirror assembly • ADC • Neutral Density Wheel • Guide camera focus • Mirror Tip/Tilt LVPZT mechanism • Miscellaneous • Guide camera • Dallas DS18S20 1-WireTM temperature sensors • Focal plane illuminator LED HARPS-NEF PDR December 6 & 7, 2007

  36. HARPS-NEFELECTRICAL SYSTEMS Figure 5 - Front End Block Diagram HARPS-NEF PDR December 6 & 7, 2007

  37. HARPS-NEFELECTRICAL SYSTEMS • Front End Assembly (continued) • Front End E-Box (Figures 6, 7 & 8) • Step motor controller/drivers • Physik Instrumente LVPZT Tip/Tilt controller/driver • Power supplies • Guide camera electronics assembly • Gumstix Subassembly • Embedded CPU • Ethernet interface • RS-232 interface to LVPZT controller/driver • 1-WireTM interface to temperature sensors in HCFA and e-box • Discrete I/O for control functions HARPS-NEF PDR December 6 & 7, 2007

  38. HARPS-NEFELECTRICAL SYSTEMS Figure 6 - Front End E-Box Block Diagram HARPS-NEF PDR December 6 & 7, 2007

  39. PI E71 Tip/Tilt PZT Controller Mforce Drives Guider E-box Gumstix Assy. HARPS-NEFELECTRICAL SYSTEMS Figure 7 Front End E-Box Packaging Diagram View-A HARPS-NEF PDR December 6 & 7, 2007

  40. Power Supplies AC Power Filter/Protector Ethernet Switch Gumstix Assy. HARPS-NEFELECTRICAL SYSTEMS Figure 8 Front End E-Box Packaging Diagram View-B HARPS-NEF PDR December 6 & 7, 2007

  41. HARPS-NEFELECTRICAL SYSTEMS • Auxiliary Room Electronics Racks • Detector Rack • Control Rack • Vacuum Control Rack HARPS-NEF PDR December 6 & 7, 2007

  42. HARPS-NEFELECTRICAL SYSTEMS Control and Detector Rack EIC Sealed 19” Electronics Rack HARPS-NEF PDR December 6 & 7, 2007

  43. HARPS-NEFELECTRICAL SYSTEMS • Detector Rack • SAO designed detector electronics • Power supplies for detector electronics • AC power control (see Control Rack) • Communications (see Control Rack) • Shutter control • Detector temperature control • Spectrograph temperature monitoring HARPS-NEF PDR December 6 & 7, 2007

  44. HARPS-NEFELECTRICAL SYSTEMS Uniblitz – BDS-25 Bi-stable Shutter Uniblitz – VCM-D1 Shutter Driver Controller Unit HARPS-NEF PDR December 6 & 7, 2007

  45. HARPS-NEFELECTRICAL SYSTEMS • Control Rack • Network Switches Described in detail in software section. • WHT network switch • HARPS-NEF network switch • KVM and KVM Switch • Ethernet to RS-232 converters • AC Power Control and Conditioning • Pulizzi Ethernet controlled power strips • Rack UPS • Transient protection • Agilent PMT pulse counters for exposure meter HARPS-NEF PDR December 6 & 7, 2007

  46. HARPS-NEFELECTRICAL SYSTEMS • Control Rack (continued) • Computers Described in detail in software section. • Device Computer • Guide Camera Electronics interface board • Science Camera Electronics interface board • User computer • Spare computer HARPS-NEF PDR December 6 & 7, 2007

  47. HARPS-NEFELECTRICAL SYSTEMS Hamamatsu H6240-01 Photon Counting Head Agilent 53132A Frequency Counter HARPS-NEF PDR December 6 & 7, 2007

  48. HARPS-NEFELECTRICAL SYSTEMS • Vacuum Systems Rack • Provided by OG • Vacuum Control • Spectrograph Temperature HARPS-NEF PDR December 6 & 7, 2007

  49. HARPS-NEFELECTRICAL SYSTEMS Power Summary (estimate) HARPS-NEF PDR December 6 & 7, 2007

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