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Technical Reference for Garmin NMEA 2000 Products 

General NMEA 2000 Data Type Requirements

Category

Data Type

PGN Data Required

Typical Sender

  

Cardinal Wind Direction 

130306 - Wind Data, 129026 - COG/SOG, 129029 

- GNSS Position, 127250 - Vessel Heading, and 

128259 - Water Speed

(If a Heading Sensor and Water Speed Sensor are 

not present, a less accurate reading can be calculated 

using only the Wind Sensor and GPS antenna 

[006 - Wind Data, 2026 - COG/SOG and 

202 - GNSS Position]

)

(If a GPS antenna is not present, a less accurate 

reading can be calculated using only the Wind Sensor, 

Water Speed Sensor, and Heading Sensor [006 

- Wind Data, 2720 - Vessel Heading, and 22 

- Water Speed])

Either:

Wind Sensor, a Water Speed 

Sensor, a Heading Sensor, and a 

GPS Antenna 

Wind Sensor and a GPS Antenna

Wind Sensor and a Water Speed 

Sensor, and a Heading Sensor

  

Beaufort Scale 

130306 - Wind Data, 129026 - COG/SOG, 129029 

- GNSS Position, 127250 - Vessel Heading, and 

128259 - Water Speed

(If a Heading Sensor and Water Speed Sensor are 

not present, a less accurate reading can be calculated 

using only the Wind Sensor and GPS antenna 

[006 - Wind Data, 2026 - COG/SOG and 

202 - GNSS Position]

)

(If a GPS antenna is not present, a less accurate 

reading can be calculated using only the Wind Sensor, 

Water Speed Sensor, and Heading Sensor [006 

- Wind Data, 2720 - Vessel Heading, and 22 

- Water Speed])

Either:

Wind Sensor, a Water Speed 

Sensor, a Heading Sensor, and a 

GPS Antenna 

Wind Sensor and a GPS Antenna

Wind Sensor and a Water Speed 

Sensor, and a Heading Sensor

  

Sunrise/Sunset 

129026 - COG/SOG and 129029 - GNSS Position

GPS Antenna

Sailing 

Apparent Wind Speed 

130306 - Wind Data

Wind Sensor

  

Apparent Wind Angle 

130306 - Wind Data

Wind Sensor

  

True Wind Speed 

130306 - Wind Data and 128259 - Water Speed 

(If a 

Water Speed Sensor is not present, a less accurate 

reading can be calculated using a GPS antenna 

instead [2026 - COG/SOG and 202 - GNSS 

Position])

Either a Wind Sensor and Speed Sensor 

or a Wind Sensor and a GPS Antenna

  

True Wind Angle 

130306 - Wind Data and 128259 - Water Speed 

(If a 

Water Speed Sensor is not present, a less accurate 

reading can be calculated using a GPS antenna 

instead [2026 - COG/SOG and 202 - GNSS 

Position])

Either a Wind Sensor and Speed Sensor 

or a Wind Sensor and a GPS Antenna

  

Wind VMG (Velocity Made Good)  130306 - Wind Data and 128259 - Water Speed 

(If a 

Water Speed Sensor is not present, a less accurate 

reading can be calculated using a GPS antenna 

instead [2026 - COG/SOG and 202 - GNSS 

Position])

Either a Wind Sensor and Speed Sensor 

or a Wind Sensor and a GPS Antenna

  

Waypoint VMG 

129284 - Nav Data

Garmin Chartplotter and GPS Antenna

  

Maximum Apparent Wind Speed  130306 - Wind Data

Wind Sensor

  

Maximum True Wind Speed 

130306 - Wind Data and 128259 - Water Speed 

(If a 

Water Speed Sensor is not present, a less accurate 

reading can be calculated using a GPS antenna 

instead [2026 - COG/SOG and 202 - GNSS 

Position])

Either a Wind Sensor, a Heading Sensor, 

and Speed Sensor 

or a Wind Sensor, a 

Heading Sensor, and a GPS Antenna

  

Opposite Tack Heading 

130306 - Wind Data, 127250 - Vessel Heading, and 

128259 - Water Speed 

(If a Water Speed Sensor is 

not present, a less accurate reading can be calculated 

using a GPS antenna instead [2026 - COG/SOG 

and 202 - GNSS Position])

Either a Wind Sensor and both Water 

Speed and Heading Sensors, 

or a Wind 

Sensor and a GPS Antenna

(Continued)

Summary of Contents for Forerunner 225

Page 1: ...Technical Reference for Garmin NMEA 2000 Products...

Page 2: ...rint one copy of this manual or of any revision hereto provided that such electronic or printed copy of this manual must contain the complete text of this copyright notice and provided further that an...

Page 3: ...EA 2000 sensors These sections contain PGN and configuration information for the following products GPSMAP 4 5000 Series chartplotters GMI 10 GFS 10 Intelliducers GWS 10 GHP 10 CCU and GHC 10 GXM 51 V...

Page 4: ...17 VHF 200 17 NMEA 2000 Certified Sensor Configuration Information 18 GPS 17x GPS Antenna 18 Enabling and Disabling WAAS Wide Area Augmentation System EGNOS Euro Geostationary Navigation Overlay Serv...

Page 5: ...be packaged with a drop cable and a T connector Garmin displays may also include additional NMEA 2000 components such as a power cable The NMEA 2000 components included with a Garmin sensor or displa...

Page 6: ...30 meter spool 98 5 feet backbone only 010 11171 01 Specialty Cable Connectors Right angle drop cable 2 meters 6 5 feet pictured 010 11089 00 Field installable connector Male not pictured 010 11094 0...

Page 7: ...kbone Note the power consumption of each device Load Equivalency Number Sample NMEA 2000 Network Ignition or in line switch T connector Male terminator Power cable Battery 12 Vdc Backbone extension ca...

Page 8: ...near construction to your NMEA 2000 network T connectors can be separated by backbone cables or connected directly together Although the male and female connectors on the T connectors and backbone cab...

Page 9: ...EA 2000 network use this equation Voltage Drop Cable resistance ohms m Distance from the battery to the farthest device in meters Network Load 0 1 Garmin cable resistance value 0 053 Network Load the...

Page 10: ...CORRECT NMEA 2000 compliant device LEN 4 NMEA 2000 compliant device LEN 5 NMEA 2000 compliant device LEN 7 Power cable Length 2 m Drop cable Length 2 m Backbone cable Length 10 m Backbone cable Length...

Page 11: ...onnector drop cable terminator combination is not feasible or is too bulky for the area use an in line terminator instead of the final T connector on the backbone Connect the final device to the in li...

Page 12: ...siderations contact your boat manufacturer or a certified NMEA 2000 technician for assistance NMEA 2000 Glossary T connector Three way connector with one male and two female micro connectors A T conne...

Page 13: ...ture 127489 Eng Dynamic NMEA 2000 compatible engine Boost Pressure 127488 Engine Rapid NMEA 2000 compatible engine Trim 127488 Engine Rapid NMEA 2000 compatible engine Rudder Angle 127245 Rudder Rudde...

Page 14: ...sor Wind Speed 130306 Wind Data 129026 COG SOG 129029 GNSS Position 127250 Vessel Heading and 128259 Water Speed If a Heading Sensor and Water Speed Sensor are not present a less accurate reading can...

Page 15: ...Position GPS Antenna Sailing Apparent Wind Speed 130306 Wind Data Wind Sensor Apparent Wind Angle 130306 Wind Data Wind Sensor True Wind Speed 130306 Wind Data and 128259 Water Speed If a Water Speed...

Page 16: ...or Speed 128259 Water Speed Water Speed Sensor Set 129026 COG SOG 129029 GNSS Position 128259 Water Speed and 127250 Vessel Heading GPS Antenna Water Speed Sensor and Heading Sensor Drift 129026 COG S...

Page 17: ...0928 ISO Address Claim 060928 ISO Address Claim 126208 NMEA Command Request Acknowledge Group Function 126208 NMEA Command Request Acknowledge Group Function 126464 Transmit Receive PGN List Group Fun...

Page 18: ...System Time 126996 Product Information 126996 Product Information 127250 Vessel Heading 127488 Engine Parameters Rapid Update 127488 Boost Pressure 127489 Coolant Pressure 127489 Fuel Pressure 127489...

Page 19: ...gement 059392 ISO Acknowledgement 060928 ISO Address Claim 059904 ISO Request 126208 NMEA Command Request Acknowledge Group Function 060928 ISO Address Claim 126464 Transmit Receive PGN List Group Fun...

Page 20: ...Receive PGN List Group Function 126464 Transmit Receive PGN List Group Function 126996 Product Information 126996 Product Information 127250 Vessel Heading 127258 Magnetic Variation 127488 Engine Para...

Page 21: ...mmand Request Acknowledge Group Function 126996 Product Information VHF 200 Transmit Receive 059392 ISO Acknowledgment 059392 ISO Acknowledgment 060928 ISO Address Claim 059904 ISO Request 126208 NMEA...

Page 22: ...information The speed filter averages the data provided by the GPS 17x to provide smoother position data updates The speed filter is most helpful when stationary or in low speed situations 1 While vi...

Page 23: ...uel page or fuel instrument screen on your NMEA 2000 device select Menu Fuel Economy Source 2 Select either GPS Speed or Water Speed to specify which speed sensor is used to calculate fuel economy Usi...

Page 24: ...e fuel level changes with the motion of the boat Perform this test when the boat is not moving To test the gauge type setting 1 When the boat is not moving put the engine in neutral 2 Use the throttle...

Page 25: ...e NMEA 2000 device configuration menu select a specific Intelliducer and select Config Keel Offset 2 Enter the measured distance from the Intelliducer location to the water line or to the keel of the...

Page 26: ...e in the wind speed more gradually and help the gauge needle or wind speed number to move or change more steadily Auto automatically adjusts the filter settings based on wind conditions Configuring th...

Page 27: ...the command with a number between 0 and 254 representing a time constant in increments of 0 25 second or 255 to represent the Automatic setting for example ANGLEFILTER 12 To configure the wind speed f...

Page 28: ...24 Technical Reference for Garmin NMEA 2000 Products NMEA 2000 Certified Sensor Configuration Information...

Page 29: ...rectly on the network page 5 Is the NMEA 2000 network power connected through the ignition switch if not did you install a switch page 5 Is the NMEA 2000 power cable grounded Is the bare wire connecte...

Page 30: ...2009 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 USA Garmin Europe Ltd Liberty House Hounsdown Business Park Southampton Hampshire SO40 9RB UK G...

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