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Advanced RS232/RS422 Interface Module with Versatile Analog and Digital Functionality

DESCRIPTION

This self-contained enclosure module, compatible with EUROCARD 6U subracks, features dual RS232 and RS422 communication channels, supporting up to 2 MB/s data rates. Built around an Arduino Mega microcontroller, it offers modularity to accommodate various interfaces and functionality, including I2C communication, digital outputs, and PWM modules. The system can monitor parameters, generate alarms, and store data for diagnostics in a black box. The operational tests will cover a wide range of pressure and temperature, ensuring robust performance for a variety of applications.

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Advanced RS232/RS422 Interface Module with Versatile Analog and Digital Functionality

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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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