Interlocking - Alstom

iVPI Integrated Vital Processor InterlockingInterlockingiVPI Vital Subsystem> Vital System Processor board (VSP) –Controls all aspects of the Vital subsystem,including all vital communications protocols.> Direct Input board (DI) – 16 vital inputsper board> Single Break Output board (SBO) – 8 vitaloutputs per board.> Double Break Output board (DBO) – 8 vitaloutputs per board.iVPI Non-Vital Subsystem> Non-Vital System Processor board(NVSP) – Controls all aspects of theNon-Vital subsystem, including all nonvitalcommunications protocols.> Non-Vital Input board (NVI) - 32 non-vitaloutputs per board, relay (form A & form C)of solid state.> Non-Vital Output board (NVO) - 32 non-vitalinputs per board.> Lamp Driver Output board (LDO) – 8 vitaloutputs per board, including filament proving.> AC Output board (ACO) – 8 vital outputs perboard, available with either 3mA threshold or65mA threshold.> Code Rate Generator board (CRG) – 8 vitaloutputs per board, each output can generateone of 10 coded cab signal output rates.> Genrakode Track Processor board (GTP) –Two Genrakode-style coded DC rack circuitinterfaces.> Bus Expansion board (BEX) – allowconnection of expansion chassis.iVPI VSP Board34CALL 800.717.4477 • FAX 585.274.8777