Garmin GPSMAP 922 Technical Reference for Garmin NMEA 2000 Products
Garmin GPSMAP 922 Manual
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- Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 1
Technical Reference for Garmin® NMEA 2000® Products + - - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 2
must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited. Information in this document is subject to change without notice. Garmin reserves the right to change or improve - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 3
instructions provided with the Garmin NMEA 2000-certified device. Sensor configuration information is also included in a Sensor Configuration Guide 0808 2380000. In Europe, go to www.garmin.com/support and click Contact Support for in-country support information, or contact Garmin (Europe) Ltd. by - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 4
Table of Contents Table of Contents Introduction...iii Contact Garmin...iii NMEA 2000 Fundamentals...1 Garmin NMEA 2000 Device Overview...1 Building a NMEA 2000 Network...3 Existing NMEA 2000 Installation Considerations...8 NMEA 2000 Glossary...8 General NMEA 2000 Data Type Requirements...9 NMEA - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 5
intended to be connected to an existing NMEA 2000 network on your boat. If you do not have a NMEA 2000 network on your boat, this guide will help you assemble one. Technical Reference for Garmin NMEA 2000 Products 1 - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 6
NMEA 2000 Fundamentals NMEA 2000 Components The main components of a NMEA 2000 network are T-connectors, terminators, backbone/drop cables, and a power cable. The following cables, connectors, and terminators are sold by Garmin, and as of January 2009, they are NMEA 2000 approved. NMEA 2000- - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 7
or sensor. Some devices or sensors can be powered by the NMEA 2000 network; others may require a separate power connection. Consult the installation instructions for each device you connect to your NMEA 2000 network to be sure you supply power to the device appropriately. When building a NMEA 2000 - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 8
NMEA 2000 Fundamentals Linear Backbone Construction Use the NMEA 2000 T-connectors to construct your NMEA 2000 backbone, and extend the backbone with appropriate lengths of backbone cable if necessary. Use one T-connector per device. Use the sides of the T-connector to construct the backbone of the - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 9
NMEA 2000 Fundamentals Power Connection and Distribution Your NMEA 2000 network must be connected to a 12 Vdc power supply. Do not connect your NMEA 2000 network to any other voltage source, such as a 24 Vdc power supply. Use a NMEA 2000 power cable to connect your NMEA 2000 backbone to the - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 10
NMEA 2000 Fundamentals End-powered NMEA 2000 network, incorrectly designed: + - Power cable Length = 2 m NMEA 2000- NMEA 2000- NMEA 2000- compliant device compliant device compliant device INCORRECT LEN = 4 Drop cable Length = 2 m LEN = 5 Drop cable Length = 6 m LEN = 7 Drop cable - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 11
NMEA 2000 Fundamentals Proper Termination You must install terminators at the ends of your NMEA 2000 backbone for it to function correctly. You have two options when installing terminators on your NMEA 2000 network. 1. Typical Terminators If your NMEA 2000 network is built with correct linear - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 12
NMEA 2000 Fundamentals Cable Length and Device Limits When building your NMEA 2000 network, keep in mind these limitations: • The distance between any two points on the NMEA 2000 network must not exceed 100 m (328 ft). To estimate this distance, measure between the terminators on your backbone and - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 13
General NMEA 2000 Data Type Requirements General NMEA 2000 Data Type Requirements Each NMEA 2000-certified sensor provides unique information to the NMEA 2000-certified display devices (such as a GPSMAP 4000/5000 series chartplotter or a GMI 10) on the NMEA 2000 network. The data you can view on - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 14
General NMEA 2000 Data Type Requirements Category Navigation Information (continued) Trip Weather Data Type GPS Speed Position Turn Odometer Trip Odometer Average GPS Speed Maximum GPS Speed Water Odometer Water Trip Odometer Average Water Speed Maximum Water Speed Barometer Air Temperature - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 15
General NMEA 2000 Data Type Requirements Category Sailing (Continued) 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 - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 16
General NMEA 2000 Data Type Requirements Category Water System Data Type Depth Temperature Speed Set Drift Time Of Day Date Timer Unit Voltage PGN Data Required 128267 - Water Depth 130312 - Temp, 130310 - Envir Param Old, or 130311 - Envir Param 128259 - Water Speed 129026 - COG/SOG, 129029 - - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 17
-certified display devices. For NMEA 2000 configuration information on every available Garmin NMEA 2000-certified display device, see the owner's manual for your display device. GPSMAP 6000/7000 Series Chartplotters Receive 059392 ISO Acknowledgment 059904 ISO Request 060928 ISO Address Claim - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 18
NMEA 2000-Compatible Display Device PGN Information GPSMAP 4000/5000 Series Chartplotters Receive 059392 059904 060928 126208 126464 126992 126996 127250 127488 127489 127505 128259 128267 129025 129026 129029 129539 129540 130306 130310 130311 130312 130313 130314 ISO Acknowledgment ISO Request - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 19
NMEA 2000-Compatible Display Device PGN Information GPSMAP 700 Series Chartplotters Receive 059392 ISO Acknowledgment 059904 ISO Request 060928 ISO Address Claim 126208 NMEA - Command/Request/Acknowledge Group Function 126464 Transmit/Receive PGN List Group Function 126996 Product - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 20
NMEA 2000-Compatible Display Device PGN Information GPSMAP 4x1/5x1 Series Chartplotters Receive 059392 ISO Acknowledgment 059904 ISO Request 060928 ISO Address Claim 126208 NMEA - Command/Request/Acknowledge Group Function 126464 Transmit/Receive PGN List Group Function 126996 Product - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 21
NMEA 2000-Certified Sensor PGN Information GMI 10 Receive 059392 059904 060928 126208 126464 126992 126996 127250 127488 127488 127489 127489 127489 127489 127505 128259 128267 129025 129026 129029 129044 129283 129284 129285 129539 129540 130306 130310 130311 130312 130313 130314 ISO - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 22
NMEA 2000-Certified Sensor PGN Information NMEA 2000-Certified Sensor PGN Information The following tables list the non-proprietary PGN information for all Garmin NMEA 2000-certified sensors. GPS 17x (GPS Antenna) Transmit Receive 059392 060928 126208 126464 126992 126996 129025 129026 129029 - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 23
NMEA 2000-Certified Sensor PGN Information Transmit 126464 126996 127488 Transmit/Receive PGN List Group Function Product Information Engine Parameters - Rapid Update Receive 126208 NMEA - Command/Request/Acknowledge Group Function GFL 10 (Garmin Fluid Level Adapter) Transmit 059392 ISO - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 24
NMEA 2000-Certified Sensor PGN Information GWS 10 (Garmin Wind Sensor) Transmit 059392 ISO Acknowledgment 060928 ISO Address Claim 126208 NMEA - Command/Request/Acknowledge Group Function 126464 Transmit/Receive PGN List Group Function 126996 Product Information 130306 Wind Data - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 25
NMEA 2000-Certified Sensor Configuration Information GXM 51 (XM Weather and Radio - North America Only) Transmit Receive 059392 060928 126208 126464 126996 ISO Acknowledgment ISO Address Claim NMEA - Command/Request/Acknowledge Group Function Transmit/Receive PGN List Group Function Product - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 26
NMEA 2000-Certified Sensor Configuration Information AIS 300 Receive 059392 059904 060928 126208 126992 ISO Acknowledgment ISO Request ISO Address Claim NMEA - Command/Request/Acknowledge Group Function System Time AIS 600 Receive 059392 059904 060928 126208 126992 ISO Acknowledgment ISO Request - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 27
NMEA 2000-certified sensors each have a Sensor Configuration Guide included in the package. For convenience, this Disabling WAAS (Wide Area Augmentation System)/EGNOS (Euro Geostationary Navigation Overlay Service) When enabled, WAAS/EGNOS provides more-accurate position information. For more - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 28
, connect the wiring harness on the GFS 10 to the fuel gauge or fuel-level sensor of your boat according to the GFS 10 Installation Instructions. To calibrate fuel-level information from the GFS 10: 1. While in still water, on the NMEA 2000 device configuration menu, select the GFS 10 device - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 29
Config > Gauge Type. 3. Choose 1 Coil or 2 Coil and repeat the gauge-type setting test. Troubleshooting the Fuel-Flow Reading If the fuel-flow information received from the GFS 10 appears inaccurate, you can manually adjust the fuel-flow reading. To adjust the fuel-flow reading: 1. While viewing the - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 30
For other Garmin marine devices, select Config > Rudder Angle Calibration. 4. Follow the on-screen instructions to calibrate the starboard and port rudder angles. 5. Select OK when the calibration is complete. Troubleshooting the Gauge Type When connected to a gauge, the GRA 10 adapter gauge type is - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 31
adapter automatically detects the type of gauge it is connected to. When you troubleshoot the gauge-type setting, if the rudder-angle reading on a connected select Config > Engine Tilt Calibration. 4. Follow the on-screen instructions to calibrate the engine tilt. 5. Select OK when the calibration - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 32
Number. • For other Garmin marine devices, select Config > Engine Number. 3. Select the number of the engine that the adapter is associated with. 4. Select Done. Troubleshooting the Gauge Type When connected to a gauge, the GET 10 adapter gauge type is set to Auto Detect by default, and the adapter - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 33
gauge type is set to Auto Detect by default, and the adapter automatically detects the type of gauge it is connected to. When you troubleshoot the gauge-type setting, if the engine-tilt reading on a connected Garmin chartplotter or marine instrument changes with the engine RPM, the adapter may - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 34
in the tank, based on the total tank capacity. 9. Select Done. 10.Repeat steps 6 through 9 to add additional, optional fluid-level calibration points. Troubleshooting the Tank Number If multiple GFL 10 adapters are assigned to the same NMEA 2000 fluid type, each adapter is assigned a unique tank - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 35
NMEA 2000 Checklist To test the gauge-type setting: 1. When the boat is not moving, put the engine in neutral. 2. Use the throttle to increase the engine RPM. If the fluid-level reading changes with the engine RPM, change the gauge type. To change the gauge type: 1. From the NMEA 2000 Devices list, - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 36
chartplotters, select Review > Trim Tab Calibration. • For other Garmin marine devices, select Config > Trim Tab Calibration. 3. Follow the on-screen instructions to calibrate the trim tab position. Configuring the GBT 10 Adapter if the Trim Tab Calibration Selection Is Not Displayed Depending on - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 37
Garmin chartplotters, select Review > Calibrate Water Speed. • For other Garmin marine devices, select Config > Calibrate Water Speed. 3. Follow the on-screen instructions to calibrate the water speed. Assigning a NMEA 2000 Temperature Source To use the GST 10 adapter, you must select the source for - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 38
NMEA 2000 Checklist 4. Select Done. Troubleshooting the Sensor Number If multiple GST 10 adapters are assigned to the same NMEA 2000 temperature source, each adapter is assigned a unique sensor number automatically. - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 39
NMEA 2000 Checklist Location Water Air outside Air inside Engine room Main cabin TEMPSOURCE Value 0 1 2 3 4 Location Live well Bait well Refrigeration Heating system Freezer TEMPSOURCE Value 5 6 7 8 13 To configure the temperature offset if the menu option is not displayed: If the temperature - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 40
mounting the sensor, you must adjust the angle offset if you did not orient the GWS 10 as described in the GWS 10 Installation Instructions. To configure the wind angle offset (orientation): 1. While viewing the NMEA 2000 device information, select Config > Wind Angle Offset. 2. Select the angle in - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 41
NMEA 2000 Checklist Configuring the Wind Angle Filter The wind angle filter governs how quickly the NMEA 2000-compatible display device shows a change in the wind angle. A lower filter setting shows changes in the wind angle more gradually, and may stabilize the display. To configure the wind angle - Garmin GPSMAP 922 | Technical Reference for Garmin NMEA 2000 Products - Page 42
NMEA 2000 Checklist Use this checklist to confirm your NMEA 2000 installation. Is the NMEA 2000 network connected to power, and is the power balanced correctly 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
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Technical Reference
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