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Transportation Systems Design, Inc. Press SPACE BAR for next slide ANSI/EIA 709 Powerline Communications Test Results & Technology Summary NYC Transit,

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Presentation on theme: "Transportation Systems Design, Inc. Press SPACE BAR for next slide ANSI/EIA 709 Powerline Communications Test Results & Technology Summary NYC Transit,"— Presentation transcript:

1 Transportation Systems Design, Inc. Press SPACE BAR for next slide ANSI/EIA 709 Powerline Communications Test Results & Technology Summary NYC Transit, SF BART & Association of American Railroads

2 Transportation Systems Design, Inc. Press SPACE BAR for next slide Presentation Overview Ref: LonWorks Engineering Bulletin -- LonTalk Protocol

3 Transportation Systems Design, Inc. Press SPACE BAR for next slide Overview & Summary n What is ANSI/EIA 709? l n New advanced control network standard l n New powerline transceiver standard n Permits piggybacking control data over existing wires n Powerline Tests l Application areas: n Subway stations n Track and tunnels n Rail vehicles l Results n Verified secure, error-free communication using existing wires n Significant noise margin remains even after 3 miles

4 Transportation Systems Design, Inc. Press SPACE BAR for next slide NYCT Power Line Communication Test Communicating over existing lighting circuits at 57 th St. station n Secure Communications l Sent data over existing lighting circuits l Robust and error-free n Inconspicuous l Hard to see l Hard to vandalize n Installation l Fast l Easy l Cost effective n Compare with conduit at NYCT Typical Station Lighting Piggyback control and monitoring signals over existing Fluorescent lighting at NYC Transit in 1994

5 Transportation Systems Design, Inc. Press SPACE BAR for next slide Secure Data Communications in Subways Secure data communications backbone using existing subway wires (Existing) Passenger Station Platform (700 feet) Any platform/station lighting circuit Existing Station Lighting Room (Typical) ANY LOW DATA RATE DEVICE: Electronic Information Signs Emergency Third Rail Trip Emergency Call Signal Intrusion Detection Hazardous Gas Detectors (New or Existing) Fiber/Copper Communications IF To Control Center To Other stations Copper I/O ANSI/EIA 709 Powerline & IP Interface

6 Transportation Systems Design, Inc. Press SPACE BAR for next slide BART Train Control Overlay Tests Powerline tests for potential broken rail/silent train detection systems Error-free communications over 7, VAC power cable for Time Division Multiplex System WSB Existing BART Train Control Wayside Box Comms Analyzer Verified secure & error-free communications over one mile using existing 220 VAC mains

7 Transportation Systems Design, Inc. Press SPACE BAR for next slide BART Transbay Tube Tests Cathodic Protection Monitoring and load shed Communications Verified secure, error-free communications over 3 miles using existing 4,160 Volt AC 3 Phase Feeders Over 3 Miles Gallery SF VENT SHAFT OAKLAND VENT SHAFT Comms Analyzer

8 Transportation Systems Design, Inc. Press SPACE BAR for next slide Freight Railroad Applications Association of American Railroads ECP Brake Standard n New AAR Brake Standard n 70% reduced braking distance on downgrades n Tests verified trains over 3 miles long are possible n Potential future applications: l Refrigeration car monitoring l Hot axle detection l Hazardous materials monitoring l Telemetry of wayside device information to central office

9 Transportation Systems Design, Inc. Press SPACE BAR for next slide ANSI/EIA standard for use worldwide Coupling Circuit Virtually any powered or un-powered wires AC or DC 0/12/24/48/110/220/4kV/400kV 0/25/50/60/ 400 Hz Also works over voice, PA, video or telephone or most other control signal lines ANSI/EIA 709 Power Line Transceivers Neuron PLT 10A/20/21/30 ECHELON Device Input Bit Rate Band Region Typical (MHz) (kbps) (kHz) Applications PLT World Wide Residential / Commercial / Industrial/ Electric Utility Attenuation tolerance: - Quiet lines >70dB - In face of major impairments >50dB

10 Transportation Systems Design, Inc. Press SPACE BAR for next slide ANSI/EIA 709 Summary Ref: LonWorks Engineering Bulletin -- LonTalk Protocol

11 Transportation Systems Design, Inc. Press SPACE BAR for next slide ANSI/EIA 709 Summary n Features l Signals piggyback over existing wires l Open standard n Widely deployed around the world n Widely used in rail and bus transit l Off-The-Shelf-Products n Benefits l Secure, error-free communications l Easy & inexpensive to install l Interoperable with other protocols n Wired & Wireless Networks n Secure Web

12 Transportation Systems Design, Inc. Press SPACE BAR for next slide For more information… n Transportation Applications l Transportation Systems Design, Inc. n Web: n Tom Sullivan –Phone: +1 (510) – n Standards Group l LonMark Association n Web: n Technical Information l Echelon Corporation n Web: n Glenn Dahl –Phone: +1 (516) – REPEATREPEAT or Press ESC TO EXIT


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