standard for serial-data networking of marine … 2000 mets 2011 presentation.pdf · nmea 2000...
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NMEA 2000 Standard for Serial-Data Networking
of Marine Electronic Devices
METS 2011November 15, 2011
Amsterdam, NetherlandsSteve Spitzer-Technical Director NMEA
Property of NMEA Do not copy or redistributed with NMEA permission
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NMEA 2000Who is NMEA?
How was NMEA 2000 developed
What is NMEA 2000?
What are the benefits of NMEA 2000
What is the future of NMEA 2000
Questions?Property of NMEA Do not copy or redistributed with NMEA permission
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57- year old global non-profit marine industry membership-driven organization
• 600 members worldwide, 40 countries represented• Manufacturers, Trade• Dealers, Shipyards• Boat Builders • Government Administrations• Industry Associations
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Openness ListeningDiscussionCollaborationConsensusDirect input from our
members and from other interested parties
Positive international reputation built on:
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Digital Electronic Interfaces since 1980
NMEA 0183 (IEC 61162-1)o Single Talker/Multiple Listener
NMEA 0183 HS (IEC 61162-2)NMEA 2000 (IEC 61162-3)
o “Open” Industry NetworkNMEA 0400 Installation Standard
• First Published in 1994• Globally Recognized
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Collaboration with Global & U.S.Trade Associations
ABYC, ANSIBMEA IALA, ICOMIA IEC, IMO, ISOMEIPA, NMMA RTCM, SAEU.S.C.G.
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Promote the safe interconnection and interchangeability of equipment
Minimize misunderstanding and confusion between manufacturers
Provide educational trainingAccredited Standards DeveloperPublisher of Marine Electronics Journal
Dedicated to serve worldwide marineelectronics industry interest
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Continuing Education and Professional Advancement
• Marine Electronics Installer (MEI)• Advanced Marine Electronics
Installer (AMEI)• Certified Marine Electronics
Technician (CMET)• NMEA 2000®
More than 1200 Trained Worldwide
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NMEA 2000 is
Based on Controller Area Network (CAN)
NMEA 2000What is It?
Property of NMEA Do not copy or redistributed with NMEA permission
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• CAN was developed by Robert Bosch in 1983• CAN is designed for real-time requirements and with its a
high-integrity serial data communications bus for real-time applications
• Is more cost efficient than any other serial bus system including RS232 and TCP/IP
• More effective than TCP/IP connection when it comes to short reaction times, timely error detection, quick error recovery and error repair.
• Excellent error detection and fault confinement capabilities• Has the ability to function in difficult atmospheric &
electrical environments
NMEA 2000What is It?
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• Adopted by Society of Automotive Engineers (SAE) in 1986
• High Safety and Reliable Industries– Automotive, Agriculture, Industrial, Medical Engineering, Robotic,
Transportation• Method to Exchange Data between Multiple
Manufacturers’ Equipment Simultaneously • Suitable for Mission Critical Data (GPS, Heading)• Simple, Scalable, Configurable
Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000What is It?
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“Open” Marine Networking Interface Standard
• NMEA 2000 Standards Committee established in 1994
• Multi-national marine electronics committee under NMEA guidance
• 5 years in development
• 2001 commercially viable in U.S.
• Adopted as the International Standard for SOLAS (IEC 61162-3)
NMEA 2000How was it Developed?
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Members• Academia - Kansas and Oklahoma State,
• Networking and Computer Industry
• Marine Electronic Companies,
• U.S. Coast Guard Research & Development
Beta tested 18 months under NMEA guidance• U.S. Coast Guard• Marine Electronics Manufacturers
• Furuno USA, JRC, Litton Marine, Navionics, Northstar, Raymarine, Simrad, Teleflex, Trimble, Wood Freeman
• CAN Manufacturers• Kvaser, Vector Can Tech
Today more than 100 companies worldwide
Europe, Asia, Australia New Zealand, U.S.
All categories of electronics and electrical
are represented
NMEA 2000How was it Developed?
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9 Documents Comprise the NMEA 2000 Standard• Main Document
• Appendix A (Application Layer)
• Appendix B (Database of Messages)
• Appendix C Certification Criteria and Test Methods)
• Appendix D (Application Notes)
• Appendix E ISO 11783-3 Data Link Layer
• Appendix F ISO 11783-5 Network Management
• Appendix G ISO 11898 Controller Area Network
• Appendix H Third Party Gateway
NMEA 2000What is It?
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Some Key Requirements• Standardized messaging
• Data creation simplified
• Standard cables and connectors
• Proven, robust, safe
• Message prioritization (bit by bit arbitration)
• Scalable (252 addresses)
• Certification testing
• 250 Kbits/sec (50 times faster than 0183)Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000What is It?
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Cables / Connectors Open DeviceNet Vendor Association (ODVA) Standardized Cables and Connectors
• Meets UL Class 2, UL 1677 oil resistance and NEC CL2• IP67 rated, 65 lb pull strength• Keyed / threaded connectors• Accepted by Lloyd’s Register• Meets U.S.C.G. regulated vessel-wiring requirements• Meets U.S.C.G. regulated vessel safety concerns
Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000What is It?
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Power TeesTee Connectors
Terminating Resistors-2
Backbone & Drop Cables
Physical Network Parts
Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000What is It?
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NMEA 2000What is It?
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Shield / DrainNET-S Power +
NET-C Power -
NET-H Data
NET-L Data
Foil Shield
Braid Shield
NMEA 2000What is It?
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• Tee Connects each individual device to the backbone
MALEBackbone
Connection
FEMALEBackbone
Connection
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NMEA 2000What is It?
FEMALEDrop Connection
to Device
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Simple Network
Both ends of the backbone are terminated.Network interfaces provide power for the device transceivers, so the backbone includes a pair for power and ground.
NMEA 2000What are the Benefits?
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• Ease of Install and Future Changes– Add and subtract products without network interruption
• Less Wire– NMEA 2000 single cable replaces wiring up to 50 NMEA 0183
interconnections
• Less Weight– Boat builder testimony (26 meter pleasure craft)
• 1000 pounds less weight• 2 weeks faster to market
• Proven, Safe, ReliableProperty of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000What are the Benefits?
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In-Line Terminating
Resistor
Terminating Resistor is
molded into the manufacturer’s
connector
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NMEA 2000What are the Benefits?
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Product Certification• All NMEA 2000 products are certified
• Behave in a known and predictable manner• Ensures safe and accurate communication• Over a 100 tests validated by NMEA• Expose any flaws or weaknesses in the protocol
implementation• Listing of certified products – www.nmea.org
• Beware of “Compatible” or “Works With”
Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000What are the Benefits?
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www.nmea.org
NMEA Network MessagesProperty of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000What are the Benefits?
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NMEA 2000What are the Benefits?
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Traditional
NMEA 2000What are the Benefits?
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NMEA 2000
NMEA 2000What are the Benefits?
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Traditional NMEA 2000
NMEA 2000What are the Benefits?
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LIGHTSTBD NAVIGATION
MAST NAVIGATIONLIGHT
MAIN DC CIRCUIT
LOWER HELM
UPPER HELM SWITCH PANEL
SWITCH PANEL
BREAKER PANEL
BATTERY BANKTRIM TABS
WINDLASS
Traditional
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NMEA 2000What are the Benefits?
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NMEA 2000
OI MODULEF/BRIDGE
OI MODULEAFT
NMEA 2000 BACK BONE
TRIM TABS
WINDLASS
OI MODULEFWD CBN
BATTERY BANK
UPPER HELM
LOWER HELMSCI MODULE
SCI MODULE
MAST NAVIGATIONLIGHT
Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000What are the Benefits?
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NMEA 2000Traditional
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NMEA 2000What are the Benefits?
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NMEA 0183Instrument
BackboneTermination
ResistorNMEA 2000To/from
NMEA 0183Gateway
Engine Monitor
GPS
Compass
DepthTransducer
BackboneTermination
Resistor
SpeedTransducer
Radar
Drop Line
Tee Connector
Display
LaptopGateway
Battery
NMEA 2000 Installation
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• Alarms and Faults – A set of tools for a suite of alarms and faults.
• Power Generation – Status and control of power generation devices, such as generators, alternators, inverters, hybrids, and shore power on ships.
• Electrical Distribution – Delivery of power on vessels; identifying loads, load sharing, and virtual breakers
• Audio Controls• Galileo• E-Navigation• AIS Updates
Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000:What is the Future?