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HK-status

HK-status. RS232. 2MB/s. RS422 (diff). Analog(V,T) >=4. Trigger rate. SPI. Analog(V,T) <= 5. ?. HK mechanical architecture. Self contained in enclosure (compatible with EUROCARD 6U Subrack ) with frontal connectors. DDCU: DC-DC Converter Unit . HK architecture & functionality.

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HK-status

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  1. HK-status

  2. RS232 2MB/s RS422 (diff) Analog(V,T) >=4 Trigger rate SPI Analog(V,T) <= 5 ?

  3. HK mechanical architecture • Self contained in enclosure (compatible with EUROCARD6U Subrack) with frontal connectors DDCU: DC-DC Converter Unit

  4. HK architecture & functionality • Modular to accomodate interface and functionality versatility • MicroProc: ArduinoMega (but there are other options under study) • Interfaces with: • SIREN • CPU (DST) • CCB • CLK • GPS • PWP • PDM • HVPS • DP-LPVPS(1&2) • PDM-LVPS • FL, SL, TL • Gather monitoring parameters via analog and serial IFs (V,i,T) • HV switches • Reset • On/off and CC • Generate alarms by comparing with dynamical standard ranges of parameters • Answer to CPU under request • Keep a black box of several cycles for failure debugging • Self-Watch-dog functionality • Time scale of cycling: ~1 to few seconds

  5. Status of interface definition

  6. Vaccum & thermal operational tests (destructive) Pressure range: 1 atm to 1 mb Temperature range: 30C to -50C In operation during tests: • ADC channels • I2C communiction • PWM modules • Internal EEPROM memory • Digital outputs • RS422 with a PC (the PC is outside chamber) • Simultaneous mathematical processing in the Arduino All these comoonents are also prototypes for the corresponding interfaces, which have been numerically simulated and physically implemented Starting next week PWM Commms - PC Arduino Mega I2C EEPROM Digital Analog

  7. Planning December 2012

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