NMEA 2000 Giving Customers What They Want: Choices and Flexibility - - PowerPoint PPT Presentation

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NMEA 2000 Giving Customers What They Want: Choices and Flexibility - - PowerPoint PPT Presentation

Feb 03, 2023 152 likes •575 views

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

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SLIDE 1

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

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SLIDE 2

“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)

NMEA 2000 is…

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 3

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

Brief History

Today more than 100 companies worldwide Europe, Asia, Australia New Zealand, U.S. All categories of electronics and electrical are represented

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 4
  • 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

8 Documents Comprise the Standard

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 5

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

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SLIDE 6

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

Standardized Cables & Connectors

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 7

Power Tees Tee Connectors Terminating Resistors-2

Backbone & Drop Cables

Physical Network Parts

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 8

Name Pair Color Shield Drain Bare NET-L Data Blue NET-H Data White NET-C Power - Black NET-S Power + Red

The Cabling

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 9

Shield / Drain NET-S Power + NET-C Power - NET-H Data NET-L Data

The Cabling

Foil Shield Braid Shield

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SLIDE 10

BLUE NET-L Data (24 AWG) WHITE NET-H Data (24 AWG) BLACK – NET-C (22 AWG) RED+ NET-S (22 AWG) Alignment Key

Shield / Drain

(22 AWG)

Connector Cut Away

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 11
  • Connects each individual device to the backbone

TEE

MALE Backbone Connection FEMALE Backbone Connection

Property of NMEA Do not copy or redistributed with NMEA permission

FEMALE Drop Connection

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SLIDE 12
  • Required at each end of the network backbone
  • 120 Ohm ¼ watt resistor
  • Prevents and limits signal reflection

Terminating Resistors

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 13
  • Supplies Power to the NMEA 2000 backbone
  • 9-16 VDC

Power Adapters

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 14

Property of NMEA Do not copy or redistributed with NMEA permission

A Simple System

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SLIDE 15
  • 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

Some Key Benefits

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SLIDE 16

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

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SLIDE 17

In-Line Terminating Resistor Terminating Resistor is molded into the manufacturer’s connector

NMEA 2000

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 18
  • For use when cables need to be cut (snaking etc.)
  • Provides a waterproof connection with strain relief

Field Installable Connectors

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 19
  • 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

Product Certification

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SLIDE 20

NMEA 2000 Network Messages

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 21

www.nmea.org

NMEA 2000 Network Messages

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 22

NMEA 0183 Wind Data

NMEA 2000 Certified 0183 Gateway

Connecting to Other Data Sources

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 23

NMEA 2000 Certified USB Gateway

Property of NMEA Do not copy or redistributed with NMEA permission

Connecting to Other Data Sources

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SLIDE 24

NMEA 2000 Certified 0183 Gateway

NMEA 2000 GPS information is sent to VHF radio for DSC broadcast

NMEA 2000

Connecting to Other Data Sources

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 25

Engine Controller 2 Engine Controller 1

NMEA 2000

NMEA 2000 Cable/Connector

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 26

Engine Interface Units

NMEA 2000

NMEA 2000 Cable/Connector

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 27

Traditional

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 28

NMEA 2000

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 29

Traditional

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 30

NMEA 2000

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 31

Traditional NMEA 2000

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 32

Traditional NMEA 2000

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 33

LIGHT STBD NAVIGATION MAST NAVIGATION LIGHT MAIN DC CIRCUIT LOWER HELM UPPER HELM SWITCH PANEL SWITCH PANEL BREAKER PANEL BATTERY BANK TRIM TABS WINDLASS

Traditional

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 34

NMEA 2000

SCI SCI

OI MODULE F/BRIDGE OI MODULE AFT NMEA 2000 BACK BONE

OI OI

TRIM TABS WINDLASS OI MODULE FWD CBN BATTERY BANK UPPER HELM LOWER HELM SCI MODULE SCI MODULE MAST NAVIGATION LIGHT

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 35

LIGHT STBD NAVIGATION MAST NAVIGATION LIGHT MAIN DC CIRCUIT LOWER HELM UPPER HELM SWITCH PANEL SWITCH PANEL BREAKER PANEL BATTERY BANK TRIM TABS WINDLASS

Traditional

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 36

NMEA 2000

SCI SCI

OI MODULE F/BRIDGE OI MODULE AFT NMEA 2000 BACK BONE

OI OI

TRIM TABS WINDLASS OI MODULE FWD CBN BATTERY BANK UPPER HELM LOWER HELM SCI MODULE SCI MODULE MAST NAVIGATION LIGHT

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 37

NMEA 2000 Traditional

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 38

NMEA 2000 Traditional

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 39
  • 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

NMEA 2000

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 40
  • 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

NMEA 2000

Property of NMEA Do not copy or redistributed with NMEA permission

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SLIDE 41
  • Customers Want Choices
  • Customization and Integration of Products
  • NMEA 2000 Certified Products Provide Choices
  • No Need to be Locked in with One Vendor
  • One Manufacturer Does Not Need to “Own” the Boat
  • Give Customers the Best of Class

Property of NMEA Do not copy or redistributed with NMEA permission

Give Customers What They Want

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SLIDE 42

Questions?

Property of NMEA Do not copy or redistributed with NMEA permission

NMEA 2000 Gives Customers the Choice and the Flexibility They Deserve Today & Tomorrow