annapolis sailboat show - maretron

Annapolis Sailboat Show October 7, 2005 Maretron

Leading the Way in NMEA 2000Leading the Way in NMEA 2000®® TechnologyTechnology

Understanding NMEA 2000Understanding NMEA 2000®® Protocol ProtocolByBy

Larry Anderson – Maretron VP of Sales & MarketingLarry Anderson – Maretron VP of Sales & Marketing(Chairman NMEA Standards 1999-2004)(Chairman NMEA Standards 1999-2004)

MaretronMaretron


Expert RecognitionExpert Recognition

• ““NMEA 2000 really works, and it’s going to make boating better.NMEA 2000 really works, and it’s going to make boating better. Simplicity, redundancy, multi manufacturer flexibility—my Simplicity, redundancy, multi manufacturer flexibility—my first hands-on experience with NMEA 2000 was, as we say up first hands-on experience with NMEA 2000 was, as we say up here in Maine, a corker! This relatively simple setup was here in Maine, a corker! This relatively simple setup was pleasantly similar to working with Tinkertoys. The wires are pleasantly similar to working with Tinkertoys. The wires are made up in various lengths with keyed male and female endsmade up in various lengths with keyed male and female ends—virtually foolproof. So all I had to do was screw together the —virtually foolproof. So all I had to do was screw together the cables and wire the one power feed; everything came on, and cables and wire the one power feed; everything came on, and the display recognized all sensors and was ready to show me the display recognized all sensors and was ready to show me screens of info.screens of info. If I were fitting out a new boat or refitting an If I were fitting out a new boat or refitting an old one, there’d be a NMEA 2000 trunk running through her, old one, there’d be a NMEA 2000 trunk running through her, and I’d be looking at electronics, engines, and whatever other and I’d be looking at electronics, engines, and whatever other systems could take good advantage of it.” systems could take good advantage of it.” Used with Used with permission. Ben Ellison, SAIL & Power and Motor Yachtpermission. Ben Ellison, SAIL & Power and Motor Yacht


QualificationsQualifications• 42 years in the marine electronics industry42 years in the marine electronics industry• Born and raised in a commercial fishing familyBorn and raised in a commercial fishing family• Sailboat enthusiast (have owned sailboats)Sailboat enthusiast (have owned sailboats)

– Many family holidays were spent sailing on the New England coastMany family holidays were spent sailing on the New England coast

• Led engineering and product development groups at Led engineering and product development groups at Raytheon Marine, Standard Communications, Robertson-Raytheon Marine, Standard Communications, Robertson-Shipmate, and SEA-DatamarineShipmate, and SEA-Datamarine

• NMEA Standards Committee chairman 1999-2004NMEA Standards Committee chairman 1999-2004– Maintained and updated NMEA 0183 standardMaintained and updated NMEA 0183 standard– Managed beta development to first official release NMEA 2000Managed beta development to first official release NMEA 2000®®

• Active participating member of NMEA since 1970’sActive participating member of NMEA since 1970’s


NMEA NMEA (National Marine Electronics Association)(National Marine Electronics Association)

• Association of Marine Electronics: dealers, sales reps, Association of Marine Electronics: dealers, sales reps, manufacturers, distributors, mass-merchantsmanufacturers, distributors, mass-merchants

• Has provided product standards since late 1970’sHas provided product standards since late 1970’s• Best known for NMEA 0183Best known for NMEA 0183• Publisher of Marine Electronics JournalPublisher of Marine Electronics Journal• Has other programs aimed at improving quality of marine Has other programs aimed at improving quality of marine

electronics industry:electronics industry:– Installation Standards, CMET (Certified Marine Electronics Installation Standards, CMET (Certified Marine Electronics

Technician), and installer certification programsTechnician), and installer certification programs

• Cooperates with North American organizations such as Cooperates with North American organizations such as ABYC and NMMAABYC and NMMA

• Coordinates with Global Standard Committees such as IECCoordinates with Global Standard Committees such as IEC


NMEA 0183 CommunicationsNMEA 0183 Communications• NMEA 0183 was introduce in 1983NMEA 0183 was introduce in 1983• NMEA 0183 single talker, multiple listenerNMEA 0183 single talker, multiple listener• NMEA 0183 not a network (point to point communication)NMEA 0183 not a network (point to point communication)• Can result in very complex wiring systemsCan result in very complex wiring systems

Multiplexer


NMEA 0183 Short ComingsNMEA 0183 Short Comings

• Communication Speed is 4800 baud or bits per secondCommunication Speed is 4800 baud or bits per second• High speed 0183 is 38,400 baud but seldom usedHigh speed 0183 is 38,400 baud but seldom used• Typical 0183 message is 400 bits Typical 0183 message is 400 bits

– This means system is limited to 12 messages per secondThis means system is limited to 12 messages per second

• Compass alone may output heading message 10 times per Compass alone may output heading message 10 times per second, rate of turn 4 times per second, and vessel attitude 1 second, rate of turn 4 times per second, and vessel attitude 1 per second (15 messages per second)per second (15 messages per second)

• Consider Compass, GPS, wind, depth, speed, temperature, Consider Compass, GPS, wind, depth, speed, temperature, and new and upcoming Automatic Identification System and new and upcoming Automatic Identification System (AIS), number of messages climbs to more than 100/second(AIS), number of messages climbs to more than 100/second

• NMEA 0183 simply can’t handle this volume of trafficNMEA 0183 simply can’t handle this volume of traffic


NMEA 0183 Short Comings (Cont.)NMEA 0183 Short Comings (Cont.)• Cable and connectors aren’t specified NMEA 0183 StandardCable and connectors aren’t specified NMEA 0183 Standard

– Plug-n-play impossible each manufacturer uses different connectorsPlug-n-play impossible each manufacturer uses different connectors– No standardization of wire color codingNo standardization of wire color coding– Reliability compromised as connection methods not specified, Reliability compromised as connection methods not specified,

corrosion due to poor wiring practices common placecorrosion due to poor wiring practices common place

• Although NMEA 0183 is a standard, no certification processAlthough NMEA 0183 is a standard, no certification process– Standard is loosely implemented leading to many interoperability Standard is loosely implemented leading to many interoperability

issues (manufacturer A wont talk to manufacturer B equipment)issues (manufacturer A wont talk to manufacturer B equipment)

• Ambiguities within NMEA 0183 StandardAmbiguities within NMEA 0183 Standard– Heading can be transmitted in one of several different messages Heading can be transmitted in one of several different messages

leading to interoperability problems between different manufacturers’ leading to interoperability problems between different manufacturers’ equipmentequipment


Ethernet ProtocolsEthernet Protocols• Ethernet protocols typically used for large data transfersEthernet protocols typically used for large data transfers

– Examples of shipboard applications include radar images, chart maps, Examples of shipboard applications include radar images, chart maps, weather overlay information, and echo sounder imagesweather overlay information, and echo sounder images

Black Box Radar

Black BoxEcho Sounder

Black BoxWeather

Ethernet Hub

Multi Function Display

0183Ports


Ethernet Protocols (Cont.)Ethernet Protocols (Cont.)• Marine examples of Ethernet use include Furuno NavNet, Marine examples of Ethernet use include Furuno NavNet,

Raymarine HSB2, Nobeltec black box radar and sounderRaymarine HSB2, Nobeltec black box radar and sounder• No marine Ethernet standard means proprietary messagingNo marine Ethernet standard means proprietary messaging

– data can not be exchanged across various manufacturer’s productsdata can not be exchanged across various manufacturer’s products

• Ethernet not typically used in industry as real time control Ethernet not typically used in industry as real time control interface (i.e., industrial, automotive, and aerospace interface (i.e., industrial, automotive, and aerospace industries use Controller Area Network or CAN)industries use Controller Area Network or CAN)

• CAN technology is more cost effective than Ethernet for real CAN technology is more cost effective than Ethernet for real time control applicationstime control applications

• CAN Technology is more time determinate than Ethernet CAN Technology is more time determinate than Ethernet allowing critical messages to pass (i.e., steering, throttle, allowing critical messages to pass (i.e., steering, throttle, and other safety critical data must get through in a timely and other safety critical data must get through in a timely fashion) fashion)


Why A New Standard - NMEA 2000Why A New Standard - NMEA 2000®®??• 11stst NMEA 0183 Short-Comings NMEA 0183 Short-Comings

– Point-to-point - means complex wiringPoint-to-point - means complex wiring– No data sharing between multiple equipmentNo data sharing between multiple equipment– Lacks bandwidth for today's data sharing Lacks bandwidth for today's data sharing – No physical layer specified plug-n-play impossibleNo physical layer specified plug-n-play impossible– No certification process - interoperability issuesNo certification process - interoperability issues– Interpretation ambiguities leads to differences between Interpretation ambiguities leads to differences between

engineers implementationengineers implementation• 22ndnd Ethernet protocols Short-Comings Ethernet protocols Short-Comings

– Good for massive data applications Good for massive data applications but not real time but not real time control applicationscontrol applications

– Cost prohibitiveCost prohibitive for simple sensors (i.e., temperature, for simple sensors (i.e., temperature, voltage, etc.)voltage, etc.)


NMEA 2000NMEA 2000®® Beginnings Beginnings

• NMEA 2000NMEA 2000®® has been in process of development since 1994 has been in process of development since 1994

• Industry developed by more than 40 marine companies and Industry developed by more than 40 marine companies and organizationsorganizations

• Development aided and guided by US Coast Guard, Development aided and guided by US Coast Guard, Oklahoma State University, Sun MicrosystemsOklahoma State University, Sun Microsystems

• Developed in cooperation with: Developed in cooperation with:

– Society of Automotive EngineersSociety of Automotive Engineers

– Agriculture and Forestry organizationsAgriculture and Forestry organizations

– IEC and ISOIEC and ISO


NMEA 2000NMEA 2000®® Objectives Objectives• Network standard - data streaming around boat being shared Network standard - data streaming around boat being shared

amongst various components amongst various components • Facilitate real time control and status informationFacilitate real time control and status information

– Navigation Information (time, position, speed, heading, variation, rate Navigation Information (time, position, speed, heading, variation, rate of turn, set/drift, depth, waypoint, ETA, distance log, etc.)of turn, set/drift, depth, waypoint, ETA, distance log, etc.)

– Autopilot control and status (rudder command, rudder angle, cross Autopilot control and status (rudder command, rudder angle, cross track error, radius turn order, etc.)track error, radius turn order, etc.)

– Drive-by-Wire Functions (electronic steering, throttle, shifting)Drive-by-Wire Functions (electronic steering, throttle, shifting)– Engine/Transmission Monitoring (RPM, temperatures, pressures, Engine/Transmission Monitoring (RPM, temperatures, pressures,

voltages, fuel rates, trim, etc.)voltages, fuel rates, trim, etc.)– Vessel Monitoring System (pitch, roll, tank levels, batteries)Vessel Monitoring System (pitch, roll, tank levels, batteries)– Electrical system control and status (DC/AC load switching and status)Electrical system control and status (DC/AC load switching and status)– Automatic Identification System (vessel data transmission and status Automatic Identification System (vessel data transmission and status

reporting)reporting)– Environmental Information (wind speed and direction, temperature, Environmental Information (wind speed and direction, temperature,

humidity, barometric pressure, sea temp, tide, current, salinity, etc.)humidity, barometric pressure, sea temp, tide, current, salinity, etc.)


NMEA 2000 Objectives (Cont.)NMEA 2000 Objectives (Cont.)

• Bandwidth to accommodate needs today and Bandwidth to accommodate needs today and tomorrowtomorrow

• A specified physical layer (cable/connectors) to A specified physical layer (cable/connectors) to ensure plug-n-play compatibilityensure plug-n-play compatibility

• Product certification to reduce/eliminate Product certification to reduce/eliminate interoperability interoperability

• Cost effective to implementCost effective to implement• Time determinate protecting mission-critical data Time determinate protecting mission-critical data deliverydelivery

• Fail Safe and/or Redundant CapabilityFail Safe and/or Redundant Capability


NMEA 2000NMEA 2000®® Based on CAN Hardware Based on CAN Hardware

• Controller Area Network (CAN) chosen by NMEA as the Controller Area Network (CAN) chosen by NMEA as the hardware platform for NMEA 2000hardware platform for NMEA 2000®®

– CAN is a high-integrity serial data communications bus for real-time CAN is a high-integrity serial data communications bus for real-time applicationsapplications

– CAN has excellent error detection and confinement capabilitiesCAN has excellent error detection and confinement capabilities

– CAN operates at data rates of up to 1 Megabits per secondCAN operates at data rates of up to 1 Megabits per second

– CAN was originally developed for automotive applications but is now CAN was originally developed for automotive applications but is now used across many industries including aerospace and industrial used across many industries including aerospace and industrial automation for real time control and status applicationsautomation for real time control and status applications

– CAN is an international standard: ISO 11898CAN is an international standard: ISO 11898


NMEA 2000NMEA 2000®® Messaging Messaging

• Many industry groups use CAN hardware platform and create Many industry groups use CAN hardware platform and create their own messagingtheir own messaging

– Bus, truck, and agricultural industries created messaging standard Bus, truck, and agricultural industries created messaging standard called J1939called J1939

– Industrial automation industry created messaging called DeviceNetIndustrial automation industry created messaging called DeviceNet

– NMEA or marine electronics industry created messaging called NMEA NMEA or marine electronics industry created messaging called NMEA 2000® 2000®

• NMEA 2000 currently has over 100 message types for NMEA 2000 currently has over 100 message types for exchanging informationexchanging information

– Position, heading, AIS, radar tracked targets, waypoints, cross track Position, heading, AIS, radar tracked targets, waypoints, cross track error, engine and transmission status, environmental, tanks, etc.error, engine and transmission status, environmental, tanks, etc.


Physical Interface (Cable and Connectors)Physical Interface (Cable and Connectors)• NMEA 2000NMEA 2000®® specifies cable/connectors ensuring plug-n-play specifies cable/connectors ensuring plug-n-play • Standardized Waterproof cableStandardized Waterproof cable

– 5 conductor (2 wires for data, 2-wires for power and ground, 1 shield)5 conductor (2 wires for data, 2-wires for power and ground, 1 shield)– Data pair independently shielded, power pair independently shielded, Data pair independently shielded, power pair independently shielded,

plus overall shield encompassing data and power pairsplus overall shield encompassing data and power pairs– Color coded wires to reduce wiring errorsColor coded wires to reduce wiring errors

• Standardized waterproof connectorsStandardized waterproof connectors– Can be submerged in the bilge and still operateCan be submerged in the bilge and still operate– Keyed contact insuring correct wiringKeyed contact insuring correct wiring– Gold plated terminals for reliable connectionsGold plated terminals for reliable connections– Threaded connectors prevent inadvertent disconnectsThreaded connectors prevent inadvertent disconnects

• Engineered for ServiceabilityEngineered for Serviceability– Device can be plugged or unplugged without powering down networkDevice can be plugged or unplugged without powering down network– Device failure or removal of product does not effect rest of networkDevice failure or removal of product does not effect rest of network


NMEA 2000NMEA 2000®® Cable and Cable and AccessoriesAccessories

Bulk Cable Double Ended Cordset Terminators Powertaps

Field Attachable Connector

Multi Port Box Bulkhead Feed thru Tee Connector


Cable and Connector System TypesCable and Connector System Types

• Micro cable and connectors (thin)Micro cable and connectors (thin)– Device power directly from cable up to 1 ampDevice power directly from cable up to 1 amp– Supports up to 4 amps of current in any given branchSupports up to 4 amps of current in any given branch– Micro trunk line up to 100 meters or 328 feetMicro trunk line up to 100 meters or 328 feet– Maximum drop line length of 6 meters or 19 feetMaximum drop line length of 6 meters or 19 feet

• Mini cable and connectors (thick)Mini cable and connectors (thick)– Device power up to 1 ampDevice power up to 1 amp– Supports up to 8 amps of current in any given branchSupports up to 8 amps of current in any given branch– Mini trunk line lengths up to 200 meters or 656 feetMini trunk line lengths up to 200 meters or 656 feet– Maximum drop line length 6 meters or 19 feetMaximum drop line length 6 meters or 19 feet


CompassDisplay Display

Cordset

Tee TeeTee

TeeCordset Terminator

Cordset

Powertap

To Power Supply

TeeCordsetTerminator CordsetCordset

Tee

To Computer

NMEA 2000® / USB Gateway

GPS Antenna / Receiver

Cordset

Depth / Speed / Temperature

BulkCable

FieldAttachableConnectors

NMEA 2000 NMEA 2000 ®® Network Connection Example Network Connection Example


NMEA 2000NMEA 2000®® Certification Process Certification Process

• Any device claiming NMEA 2000Any device claiming NMEA 2000®® must be certified must be certified– Copyrighted term illegal to claim without certificationCopyrighted term illegal to claim without certification

– Each certified product has submitted an electronic fileEach certified product has submitted an electronic file» Proves product behavior and other parameters are correctProves product behavior and other parameters are correct

• Certification facilitates plug-n-playCertification facilitates plug-n-play– Interpretation and ambiguities in certified standard greatly Interpretation and ambiguities in certified standard greatly

reduced over that of NMEA 0183reduced over that of NMEA 0183

• NMEA 2000NMEA 2000®® guarantees backward compatibility guarantees backward compatibility– Older product will not be made obsoleteOlder product will not be made obsolete


NMEA 2000 NMEA 2000 ®® Open Standard vs. Proprietary Open Standard vs. Proprietary

• Universally open standard meansUniversally open standard means– Any manufacturer can participateAny manufacturer can participate– End user of products can make choices between brandsEnd user of products can make choices between brands– Free Enterprise philosophyFree Enterprise philosophy

• Proprietary standard meansProprietary standard means– A company decides which of its competitors may or may A company decides which of its competitors may or may

not participate and under what termsnot participate and under what terms– End user has only the options that the manufacturer End user has only the options that the manufacturer

decidesdecides– Dictatorial philosophyDictatorial philosophy


Certified Products as of 9/22/05Certified Products as of 9/22/05• Airmar Smart Depth NMEA 2000® Depth, Speed and Temperature Airmar Smart Depth NMEA 2000® Depth, Speed and Temperature • Volvo Penta Engine Gateway EVC system. Volvo Penta Engine Gateway EVC system. • Outboard Engine Controller Evinrude's V4 and V6 ETEC outboards Outboard Engine Controller Evinrude's V4 and V6 ETEC outboards • Faria NMEA Info Center RPM, boost pressure, oil pressure, coolant Faria NMEA Info Center RPM, boost pressure, oil pressure, coolant

temperature, battery voltage etc. temperature, battery voltage etc. • Faria Mini-gateway RPM, Boost pressure, Oil pressure, Coolant Faria Mini-gateway RPM, Boost pressure, Oil pressure, Coolant

Temperature, Battery Voltage etc. Temperature, Battery Voltage etc. • Kvaser Neptune Gateway between NMEA 0183 and NMEA 2000®.Kvaser Neptune Gateway between NMEA 0183 and NMEA 2000®.• Lowrance EP 15 fluid level sensor Lowrance EP 15 fluid level sensor • Lowrance EP 20 Suzuki engine interface Lowrance EP 20 Suzuki engine interface • Lowrance EP 10 fuel flow sensor Lowrance EP 10 fuel flow sensor • Lowrance EP 25 paddle wheel speed sensor Lowrance EP 25 paddle wheel speed sensor • Lowrance EP 35 temperature sensor Lowrance EP 35 temperature sensor


Cont’d Certified ProductsCont’d Certified Products

• Maretron DST100 Depth/speed/temperature Maretron DST100 Depth/speed/temperature

• Maretron N2KMeter Diagnostic tool of NMEA 2000® Maretron N2KMeter Diagnostic tool of NMEA 2000®

• Maretron GPS100 12 channel with automatic WAAS Maretron GPS100 12 channel with automatic WAAS

• Maretron DSM200 displays all data numerically or graphically.Maretron DSM200 displays all data numerically or graphically.

• Maretron USB100 Gateway for USB using NMEA0183 Maretron USB100 Gateway for USB using NMEA0183

• Maretron SSC200 Solid-state rate-gyro compass Maretron SSC200 Solid-state rate-gyro compass

• Maretron NMEA 2000® Maretron NMEA 2000® Cables/Connector approved for NMEA 2000®.Cables/Connector approved for NMEA 2000®.

• Offshore Systems ( UK) Ltd. Capacitive Fuel Level Sender Offshore Systems ( UK) Ltd. Capacitive Fuel Level Sender

• Offshore Systems ( UK) Ltd. Tank Sender Adaptor levels from Fuel, Offshore Systems ( UK) Ltd. Tank Sender Adaptor levels from Fuel, Freshwater, Wastewater, Blackwater, Oil and Live Well sendersFreshwater, Wastewater, Blackwater, Oil and Live Well senders


Cont’d Certified ProductsCont’d Certified Products• Raymarine Raymarine ST 290 Data processing unitST 290 Data processing unit of the new ST290 range of the new ST290 range• RaymarineRaymarine E80/E02011-Colour Radar/Chart Plotter E80/E02011-Colour Radar/Chart Plotter • RaymarineRaymarine E120/E2013- Colour Radar/ Chart Plotter E120/E2013- Colour Radar/ Chart Plotter • Simrad Simrad RFC35R-2000RFC35R-2000 Ratesensor stabilized fluxgate compass. Ratesensor stabilized fluxgate compass. • SimradSimrad AP25 AP25 Autopilot. Autopilot. • SimradSimrad AP26 AP26 Autopilot. Autopilot. • SimradSimrad AP16 AP16 Autopilot. Autopilot. • SimradSimrad AT44 AT44 Converter Converter • SimradSimrad CP31/CX33 CP31/CX33 Combi Combi • SimradSimrad CX34 CX34 Combi Nav system Combi Nav system • SimradSimrad EQ33 EQ33 Echo Sounder Echo Sounder • SimradSimrad IS12 IS12 Combi. Combi. • SimradSimrad IS12 IS12 Compass. Compass.


Cont’d Certified ProductsCont’d Certified Products

• Teleflex Teleflex i6000 Shift and Throttle Control Systemi6000 Shift and Throttle Control System for Boat Engine for Boat Engine

• Yamaha Marine Yamaha Marine 6Y883688 Triducer6Y883688 Triducer

• Yamaha MarineYamaha Marine 6Y88350T10 Tachometer Square 6Y88350T10 Tachometer Square

• Yamaha MarineYamaha Marine 6Y88350S00 Speedometer/Fuel Management Square 6Y88350S00 Speedometer/Fuel Management Square

• Yamaha MarineYamaha Marine 6Y88350010 Speedometer/Fuel Management Round 6Y88350010 Speedometer/Fuel Management Round

• Yamaha MarineYamaha Marine 6Y88350T00 Tachometer Square 6Y88350T00 Tachometer Square

• Yamaha MarineYamaha Marine 6Y88350F00 Fuel Management Square 6Y88350F00 Fuel Management Square

• Yamaha MarineYamaha Marine 6Y88350000 Speedometer Square 6Y88350000 Speedometer Square


NMEA 2000NMEA 2000®® Summary Summary• A network standard engineered for onboard vessel real time A network standard engineered for onboard vessel real time

control and status communicationcontrol and status communication• Engineered for needs of today and future vessel network data Engineered for needs of today and future vessel network data

sharingsharing• Robust cable system with plug-n-play compatibility across Robust cable system with plug-n-play compatibility across

different manufacturers’ productsdifferent manufacturers’ products• Product certification reduces interoperability issues between Product certification reduces interoperability issues between

different manufacturers’ productsdifferent manufacturers’ products• Cost effective and proven CAN hardware technology used in Cost effective and proven CAN hardware technology used in

many different industries for real time control and statusmany different industries for real time control and status• Time determinate system where critical messages get Time determinate system where critical messages get

through in timely fashionthrough in timely fashion• Accommodates fail safe or redundant systemsAccommodates fail safe or redundant systems


Industry Expert Opinion on NMEA 2000Industry Expert Opinion on NMEA 2000®®

"I am convinced that networked electronics and, to an "I am convinced that networked electronics and, to an even greater extent, the application of the same even greater extent, the application of the same technology to whole-boat power distribution technology to whole-boat power distribution systems, will result in the greatest revolution in boat systems, will result in the greatest revolution in boat systems that we have seen in at least three decades. systems that we have seen in at least three decades. The NMEA, with its NMEA 2000The NMEA, with its NMEA 2000®® protocol and protocol and corresponding 'physical layer', is in the forefront of corresponding 'physical layer', is in the forefront of this revolution, and playing a powerful leadership this revolution, and playing a powerful leadership role." role." Used with permission. Nigel Calder Used with permission. Nigel Calder


THE THE ENDEND

annapolis sailboat show - maretron

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