Specifications

RailCorp Engineering Manual — Signals — Equipment Manual
Cerberus Level Crossing Monitor Field Equipment Manual TMG E1261
© RailCorp Page 6 of 89
Issued August 2012 UNCONTROLLED WHEN PRINTED Version 2.1
6.1.2.2 Variable names ........................................................................................63
6.1.2.3 Variable Types .........................................................................................64
6.1.2.4 I/O List ......................................................................................................64
6.1.2.5 Configuration............................................................................................65
6.1.2.6 Expression data name..............................................................................66
6.1.2.7 Boolean Expressions................................................................................66
6.1.2.8 Steady result expression..........................................................................68
6.1.2.9 Timer expression......................................................................................68
6.1.2.10 Lamp expression......................................................................................69
6.1.2.11 Battery expression....................................................................................70
6.1.2.12 Analogue expression................................................................................71
6.1.3 Variable configuration data......................................................................................71
6.2 Customising Generic expressions ..........................................................................................73
6.3 Data Generation......................................................................................................................74
6.4 EPROM programming.............................................................................................................74
7 Log Interpretation .................................................................................................................75
7.1 General....................................................................................................................................75
7.2 Log entry types........................................................................................................................76
7.2.1 Digital inputs and Outputs........................................................................................76
7.2.2 Intermediate variables .............................................................................................77
7.2.3 Timers......................................................................................................................77
7.2.4 Analogue..................................................................................................................77
7.2.4.1 Voltage .....................................................................................................78
7.2.4.2 Lamp.........................................................................................................78
7.2.4.3 Current .....................................................................................................78
7.2.4.4 Temperature.............................................................................................79
7.2.5 Connection status....................................................................................................79
7.3 Analysis...................................................................................................................................79
7.4 Spurious events ......................................................................................................................80
8 Hardware Repair/Replacement............................................................................................80
Appendix A Generic Configuration data ..................................................................................82
Appendix B Level Crossing Monitor - Test and Commissioning Form ................................83
Appendix C Standard Level Crossing Monitor interface circuits..........................................87
Appendix D Drawings.................................................................................................................88