IEEE 1473-L Communications Protocol Experience in Rail &Transit Tom Sullivan Transportation Systems Design, Inc. Oakland, CA 9/17/2018 TSD.ORG

Topics IEEE 1473-L Review Recent Transit Experience TSD.ORG Topics IEEE 1473-L Review Recent Transit Experience Where we may be headed…

Rail Transit Vehicle Interface Standard Rail Conference – Baltimore, MD June 2002 What is IEEE 1473-L? Rail Transit Vehicle Interface Standard 9/17/2018 TSD.ORG

IEEE 1473-L Based upon LonWorks TSD.ORG TSD.ORG IEEE 1473-L Based upon ANSI/EIA 709.1 – Communications Protocol ANSI/EIA 709.3 – Physical Layer 1 LonWorks Open, Control Network Protocol Portable to any microprocessor Millions of “Neuron” nodes deployed ISO OSI 7-Layer Model

CAN Vs LonWorks Physical Media CAN LonTalk Application Presentation TSD.ORG CAN Vs LonWorks CAN LonTalk User must develop Application Presentation Session Transport Network Data Link Physical Physical Media User must develop Authentication User must develop User must develop User must develop

LonWorks Neuron Nodes 1 Uniform Architecture 2 Silicon Sources TSD.ORG LonWorks Neuron Nodes 1 Uniform Architecture Simple & Powerful WHEN() => ACTION Standardized Interoperable 2 Silicon Sources 3 Internal CPUs MAC NET APP F I R M W A R E Protocol Scheduler I/O Applications Library Unique 48 Bit Serial Number EEPROM ROM RAM Communications Port

Interoperability - NYCT TSD.ORG Interoperability - NYCT NYCT IEEE 1473-L Propulsion Trainline Kawasaki Bombardier E1 LonWorks LonWorks Tunnels through E1

Interoperability - RTVISC TSD.ORG Interoperability - RTVISC IEEE 1473-L Trainline

Manufacturer Specific TSD.ORG LonMark Profiles Object Name & Number Mandatory Network Variables Optional Manufacturer Specific Configuration Properties Hardware Outputs Hardware Inputs Input network variables Output network variables Network “Object” Open Standard Open Interfaces Communication via Standard Network Variable Types SNVTs

SNVTs Standard Network Variable Types Many predefined TSD.ORG SNVTs Standard Network Variable Types Many predefined Engineering Units SNVT Examples Simple Types Current, Temperature, “HVAC_Mode” Complex Types TimeStamp Earth Position (GPS) SNVT Master List

Trains, Planes & Automobiles… Rail Conference – Baltimore, MD June 2002 Where IEEE 1473-L is Used Trains, Planes & Automobiles… 9/17/2018 TSD.ORG

Vehicle Applications US Navy Trucks, Buses & Autos Rail Vehicles TSD.ORG Vehicle Applications US Navy Attack Helicopters Warships Trucks, Buses & Autos Bus Transit, Traffic & ITS Rail Vehicles Freight, Commuter Rail Heavy & Light Rail & APMs

Rail Conference – Baltimore, MD June 2002 What’s Next? 9/17/2018 TSD.ORG

IEEE 1473-L Future… Advanced Networking Powerline Transceivers TSD.ORG IEEE 1473-L Future… Advanced Networking Interoperation with other Standards Open Wireless Networking Increased Safety & Security Real-Time Diagnostics Powerline Transceivers ANSI/EIA Standard AAR: > 3 mile long trainlines Vehicle Retrofits Other Advanced Transit Applications E.g., “Single Wire Switch Machine”

Wireless Networking Today TSD.ORG Wireless Networking Today Control Center Wireless Transceiver Proprietary Wireless Data Network IEEE 1473-L - Trainline Network Typical Architecture

Open IEEE System Network TSD.ORG Open IEEE System Network Control Center IEEE 802.3u (100BaseT) Wireless Transceiver IEEE 802.17 Resilient Packet Ring Open IEEE 802.11 Wireless Data Network IEEE 1473-L - Trainline Network Open Network Architecture

Benefits of IEEE Standards TSD.ORG Benefits of IEEE Standards Control Center IEEE 802.3u - 100BaseT LAN Wireless Transceiver Wireless Transceiver Wireless Transceiver Wireless Transceiver Wireless Transceiver IEEE 802.11 Wireless Data Networks IEEE 1473-L - Trainline Network Frequent Inexpensive Wireless Nodes

IEEE 1473-L Summary Standard Open Interoperable Robust, Safe & Secure TSD.ORG IEEE 1473-L Summary Standard De Jure & De Facto (U.S.) Open Protocol, Profiles & SNVTs Interoperable Tunnel  IP/Ethernet, T1, T3, etc. IEEE-1473-T - Gateway (or Tunnel) IEEE WG9 – New Rail Transit Vehicle Profiles Robust, Safe & Secure

TSD.ORG For More Information 9/17/2018 TSD.ORG Rail Conference – Baltimore, MD June 2002 For More Information TSD.ORG 9/17/2018 TSD.ORG