Interlocking - Alstom

iVPI Integrated Vital Processor InterlockingFeature ComparisonFeature iVPI VPI II VPIScalable Application (up to three expansions chassis) √ √ √Application represented in Relay, Ladder, or Boolean format √ √ √Vital and non-vital systems within the same chassis √ √ √In-Circuit programming of System and Application Software (No EPROMS) √ √Network Connectivity for Vital system √ √Network Connectivity for Non-Vital system √ √Local and remote Diagnostics via Maintenance Management System (MMS) √ √Serial and USB user interface √ √Integrated Power Supply√Printed Circuit Board Health Indicator√Embedded Circuit Board Identification√Optional Integrated DC Coded Track Circuit√Universal Vital I/O boards (no board resident configuration)√Fully redundant systems within the same chassis√Number of vital system boards required 1 3 3InterlockingThe iVPI control system consists of a:> Failsafe Vital System Processor (VSP) withintegrated Vital network communicationssupporting VSoE, other Vital protocols andthe Alstom Maintenance Management System(MMS).> Family of Failsafe Vital I/O to/from remotesignaling devices and Vital field apparatussuch as switch machines, train stops, trackcircuits, signal lamps and LED arrays,highway crossing equipment, cab signalingequipment, and more.> Where required by application, integratedGenrakode Track Processor (GTP) for directinterface at control points to the codedtrack circuits. Other integrated Track Circuitfunctions are possible.> Integrated Code Rate Generator (CRG) forgenerating the speed command pulses usedto modulate the carrier frequency (forexample, 60 Hz) for track circuits within theinterlocking plant and at the interlocking endof the approach track circuits.> Non-Vital System Processor (NVSP) withintegrated Ethernet TCP/IP, synchronousand asynchronous communication channelscapable of simultaneously supportingmultiple communication protocols and MMS.> Family of Non-vital I/O to interface withnon- vital signaling apparatus such as LocalControl Panels, Intrusion alarms, non-vitaltrain inspection equipment, and more.©2011 Alstom Signaling Inc. www.alstomsignalingsolutions.com 35