American Audio VELOCITY - REV 4-05 Betriebsanleitung PDF herunterladen (Seite 59)

METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS

DE304.09 9-54 Revision 4 : 05/09/12

Metro Baseline Re-Baseline: 04/29/10

9.4.2.20 SCADA Interface

The design shall provide remote control and monitoring of train control via the SCADA

system. The design shall provide at least the following remote controls:

 Request or cancel route from all wayside signals

 Move all switch machines

The design shall provide at least the following indications and alarms:

 Occupancy of all track circuits, including overlays

 Wayside signal aspects

 Crossing gate status (all gates down)

 Switch position

 Switch locked

 Traffic direction

 Signal time lock

 All other warning indications necessary to alert personnel of possible problems or

failures (such as Battery/Charger alarms).

 Intrusion and fire alarms and equipment trouble.

9.4.3 Metro Blue Line Expansion

9.4.3.1 General Requirements

The signaling system shall provide the following functions:

 Interlocking control of switches and signals

 Safe routing of trains

 Safe separation of trains to prevent collisions and side swipes by physically

separated operation on the main line, protected by vital systems

 Protection of highway crossings against road/rail collisions giving railroad traffic

priority by provision of highway crossing warning and protection systems and

interfaces with highway traffic control equipment

The signaling system and grade crossings shall comply with the AREMA Manual of

Recommended Practices - Signals and CPUC General Orders 75, and 143.

Automatic route setting shall be the normal operation for passenger operation. Manual

selection of routes shall be provided for abnormal operation of trains, when automatic

routing is not possible or not desirable.

Bi-directional operation at full line speed and headway shall be provided throughout the

main line. All sections under signal control shall be signaled such that, in the event either of

the tracks in the double track sections is taken out of service, safe operations can be

maintained.

The signal system shall provide continuous overspeed protection and speed commands

(cab signal) operation, which shall prevent unsafe operation with respect to other trains,

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American Audio VELOCITY - REV 4-05 Betriebsanleitung Seite 59