S940
3U cPCI Radiation Tolerant Digital I/O Card

• Designed for LEO, Mars Terrestrial with an Option for GEO Environments
• Single-Slot Conduction-Cooled 3U CompactPCI (cPCI) card
• Twelve RS422 Outputs and Four RS422 Inputs: Space Integrated GPS/INS (SIGI) Interface - Sync Timer and Telemetry Serial Input, Star Tracker: Telemetry Serial Input and Command Serial Output
• Two RS232 UART ports
• Reaction Wheel Tachometer Interface
• Separation Switch Closure Interface
• Three 2A Rated H-Bridge: Torque Rod Interface
• Logic Discrete Output Drivers: SADE Pulse Generator and Registered Output
• Two Opto-Isolated Discrete Output Drivers
• Triple-Voted Buffered Memory for Serial Interface
• 33 MHz, 32-bit PCI 2.1 compliant cPCI Interface
• Nominal power consumption is less than 14 Watts
• Level-2 Components per NASA GSFC 311-INST-001A specification are available
  
  

Click here for information on subsystem integration.

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