microWIUâ¢ - Alstom

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General DescriptionFigure 1–6. microWIU Top View DetailP2525, Rev. 3, Sep/12 1–12 <strong>Alstom</strong> Signaling Inc.
General DescriptionThe microWIU system can be divided into several architectural components:• Display Controller: The Display Controller interfaces with a standard low-levelprotocol to the touch screen for graphics display and touch screen input control; thedisplay controller has a high-speed serial data interface to the Non-Vital Processorsection• Non-Vital Processor (NVP) Section: The NVP section controls the majority of thenon-vital functions of the microWIU including network protocols, USB file system,controls and displays, and the non-vital communications protocol layers• Vital Processor Section: The Vital Processor section:− Controls and monitors the Vital input circuits and controls the non-vital outputs− Implements a CAN interface to other microWIU units if a master/slaveconfiguration is used for an application− Executes Vital Boolean equations using Numerically Integrated SafetyAssurance Logic (NISAL) safety techniques− Implements the Vital Serial Over Ethernet (VSOE) protocol if a VSOEcommunication link is defined for an application (VSOE currently not supported)− Generates Vital PTC output messages for ACSES (if enabled) based on theuser-defined application data and the state of the Vital inputs− Generates Vital PTC output messages for the ITC operating mode• Vital Input Circuits: 16 identical, isolated Vital input circuits are available forinterfacing to wayside devices; these are controlled and monitored by the VitalProcessor section through a parallel data interface; see Section 3.3 WiringRecommendations for more information• Non-vital Outputs: Two non-vital outputs are available to drive approach lightingrelays; see Section 3.3 Wiring Recommendations for more informationP2525, Rev. 3, Sep/12 1–13 <strong>Alstom</strong> Signaling Inc.
Page 1: microWIUCopyright © 2012 Alstom Si
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Page 9 and 10: ABOUT THE MANUALThis manual is inte
Page 11 and 12: MANUAL SPECIAL NOTATIONSThis Alstom
Page 13 and 14: TopicTABLE OF CONTENTSPage1. SECTIO
Page 15 and 16: LIST OF FIGURESFigure No. Title Pag
Page 17 and 18: General Description1. SECTION 1 - G
Page 19 and 20: General Description1.3. GENERALThe
Page 21 and 22: General Description1.5. APPLICATION
Page 23 and 24: General DescriptionFigure 1-3 shows
Page 25 and 26: General Description1.7. DIMENSIONST
Page 27: General DescriptionFigure 1-5. micr
Page 31 and 32: General Description1.10. ACSES CONF
Page 33 and 34: Theory of Operation2. SECTION 2 - T
Page 35 and 36: Theory of Operation2.3.4. Vital Dat
Page 37 and 38: Theory of Operation2.5. LEDSThree L
Page 39 and 40: Installation3. SECTION 3 - INSTALLA
Page 41 and 42: InstallationTable 3-1. microWIU Ins
Page 43 and 44: InstallationTable 3-2. microWIU Wir
Page 45 and 46: Operation4. SECTION 4 - OPERATION4.
Page 47 and 48: OperationStepTable 4-1. Accessing t
Page 49 and 50: OperationTable 4-2. Status Screen I
Page 51 and 52: Operation4.4.3. Configuration Scree
Page 53 and 54: OperationTable 4-4. Accessing the C
Page 55 and 56: Operation4.4.4. System ScreenThe Sy
Page 57 and 58: OperationStepAction3 To view the ve
Page 59 and 60: OperationTable 4-5. Accessing the S
Page 61 and 62: OperationStepTable 4-5. Accessing t
Page 63 and 64: Operation4.4.5. Devices ScreenThe D
Page 65 and 66: Preventive Maintenance5. SECTION 5
Page 67 and 68: Troubleshooting6. SECTION 6 - TROUB
Page 69 and 70: TroubleshootingTable 6-1. Hardware
Page 71 and 72: Corrective Maintenance7. SECTION 7
Page 73 and 74: Parts Catalog8. SECTION 8 - PARTS C
Page 75 and 76: Parts CatalogRECEPTACLE KEYING DETA
Page 77 and 78: Typical Application CircuitsA. APPE
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Typical Application CircuitsFigure
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Typical Application CircuitsFigure
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Typical Application CircuitsA.2.MAS
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FOR QUESTIONS AND INQUIRIES, CONTAC
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microWIUâ¢ - Alstom