NMEA 2000 Giving Customers What They Want: Choices and Flexibility They Deserve Today & Tomorrow IBEX 2011 Louisville, KY Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 is… “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 (IEC 61162-3) Property of NMEA Do not copy or redistributed with NMEA permission
Brief History Today more than 100 Members companies worldwide • Academia - Kansas and Oklahoma State, Europe, Asia, Australia New Zealand, U.S. • Networking and Computer Industry All categories of electronics and • Marine Electronic Companies, electrical are represented • 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 Property of NMEA Do not copy or redistributed with NMEA permission
8 Documents Comprise the 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 Property of NMEA Do not copy or redistributed with NMEA permission
Some Key Requirements • Proven, robust, safe • Message prioritization (bit by bit arbitration) • Scalable (252 addresses) • Data creation simplified • Certification testing • Standard cables and connectors • 250 Kbits/sec (50 times faster than 0183) • Controller Area Network (CAN) Property of NMEA Do not copy or redistributed with NMEA permission
Standardized Cables & Connectors Cables / Connectors Open Devicenet Vendor Association (ODVA) • FT 4 flame rating specifications • Meets UL Class 2, UL 1677 oil resistance and NEC CL2 • IP67 rated, 65 lb pull strength • Key screw-on 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
Physical Network Parts Backbone & Drop Cables Terminating Resistors-2 Tee Connectors Power Tees Property of NMEA Do not copy or redistributed with NMEA permission
The Cabling Name Pair Color Shield Drain Bare NET-L Data Blue NET-H Data White NET-C Power - Black Property of NMEA Do not copy or redistributed with NMEA permission NET-S Power + Red
The Cabling Shield / Drain NET-S Power + NET-C Power - NET-H Braid Data Shield Foil Shield NET-L Data
Connector Cut Away RED+ NET-S BLACK – NET-C (22 AWG) (22 AWG) BLUE NET-L Data Alignment Key (24 AWG) Shield / WHITE NET-H Drain Data (24 AWG) (22 AWG) Property of NMEA Do not copy or redistributed with NMEA permission
TEE • Connects each individual device to the backbone MALE FEMALE Backbone Backbone Connection Connection FEMALE Drop Connection Property of NMEA Do not copy or redistributed with NMEA permission
Terminating Resistors • Required at each end of the network backbone • 120 Ohm ¼ watt resistor • Prevents and limits signal reflection Property of NMEA Do not copy or redistributed with NMEA permission
Power Adapters • Supplies Power to the NMEA 2000 backbone • 9-16 VDC Property of NMEA Do not copy or redistributed with NMEA permission
A Simple System Property of NMEA Do not copy or redistributed with NMEA permission
Some Key Benefits • Add and subtract products without network interruption • NMEA 2000 single cable replaces wiring up to 50 NMEA 0183 interconnections • Boat builder testimony ( 26 meter pleasure craft ) • 1000 pounds less weight • 2 weeks faster to market Property of NMEA Do not copy or redistributed with NMEA permission
In-Line Terminating Resistor Location • Long cable runs up the mast • Most masts are greater than 6 meters • In-Line terminating resistors are used • Terminates the backbone at the top of the mast Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 Terminating Resistor is molded into the manufacturer’s connector In-Line Terminating Resistor Property of NMEA Do not copy or redistributed with NMEA permission
Field Installable Connectors • For use when cables need to be cut (snaking etc.) • Provides a waterproof connection with strain relief Property of NMEA Do not copy or redistributed with NMEA permission
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 2000 Network Messages Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 Network Messages www.nmea.org Property of NMEA Do not copy or redistributed with NMEA permission
Connecting to Other Data Sources NMEA 2000 Certified 0183 Gateway NMEA 0183 Wind Data Property of NMEA Do not copy or redistributed with NMEA permission
Connecting to Other Data Sources NMEA 2000 Certified USB Gateway Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 NMEA 2000 GPS information is sent to VHF radio for DSC broadcast NMEA 2000 Certified Connecting 0183 Gateway to Other Data Sources Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 Engine Controller 2 Engine Controller 1 NMEA 2000 Cable/Connector Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 Engine Interface Units NMEA 2000 Cable/Connector Property of NMEA Do not copy or redistributed with NMEA permission
Traditional Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 Property of NMEA Do not copy or redistributed with NMEA permission
Traditional Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 Property of NMEA Do not copy or redistributed with NMEA permission
Traditional NMEA 2000 Property of NMEA Do not copy or redistributed with NMEA permission
Traditional NMEA 2000 Property of NMEA Do not copy or redistributed with NMEA permission
Traditional MAST NAVIGATION LIGHT UPPER HELM SWITCH PANEL LOWER HELM SWITCH PANEL MAIN DC CIRCUIT BREAKER PANEL STBD NAVIGATION LIGHT WINDLASS TRIM TABS BATTERY BANK Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 MAST NAVIGATION LIGHT UPPER HELM SCI MODULE SCI F/BRIDGE OI MODULE LOWER HELM WINDLASS SCI MODULE SCI OI NMEA 2000 BACK BONE FWD CBN OI MODULE AFT OI OI MODULE TRIM TABS BATTERY BANK Property of NMEA Do not copy or redistributed with NMEA permission
Traditional MAST NAVIGATION LIGHT UPPER HELM SWITCH PANEL LOWER HELM SWITCH PANEL MAIN DC CIRCUIT BREAKER PANEL STBD NAVIGATION LIGHT WINDLASS TRIM TABS BATTERY BANK Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 MAST NAVIGATION LIGHT UPPER HELM SCI MODULE SCI F/BRIDGE OI MODULE LOWER HELM WINDLASS SCI MODULE SCI OI NMEA 2000 BACK BONE FWD CBN OI MODULE AFT OI OI MODULE TRIM TABS BATTERY BANK Property of NMEA Do not copy or redistributed with NMEA permission
Traditional NMEA 2000 Property of NMEA Do not copy or redistributed with NMEA permission
Traditional NMEA 2000 Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 • Future-Proof • 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 • Galileo • E-Navigation • AIS Updates Property of NMEA Do not copy or redistributed with NMEA permission
NMEA 2000 • Increasing Your Profitability • Simple Installation • Less Weight • Boosts Employee Productivity • Eliminates Hidden Costs / Employee Training /Error Reduction • Faster to Market • One Backbone Replaces the “Old” Standard Harness • Reduction in Parts Inventory and Warehousing Costs Property of NMEA Do not copy or redistributed with NMEA permission
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