Page 1 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential GH2183 GPS/Gyro Compass User Manual also covers models G2183 GPS and H2183 Gyro Compass Revision 1.000 02/19/2010 AIRMAR Technology Corporation 35 Meadowbrook Drive Milford, NH 03055-4613 (603) 673-9570 PROPRIETARY AND CONFIDENTIAL THIS DOCUMENT AND THE DATA DISCLOSED HEREIN OR...
Page 2 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential...
Page 3: Table Of Contents
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Table of Contents Introduction......................1 NMEA 2000® Interface ..................1 2.1. Terminology......................2 2.2. Sequence ID (SID)....................3 2.3. Precedence of Data ..................... 4 2.4. Transmitted NMEA 2000® PGNs..............4 PGN 059392 ISO Acknowledgment..............6 PGN 060928 ISO Address Claim ...............
Page 4 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential PGN 126208 Request Group Function ............. 57 PGN 126208 Command Group Function ............59 PGN 126720 Addressable Multi-Frame Proprietary ........61 PGN 126720-1 Proprietary: Master Reset ............ 62 PGN 126720-130 Proprietary: Reset EEPROM ........... 63 PGN 126720-132 Proprietary: Reset GPS............
Page 5: Introduction
GH2183 both contain a Global Positioning System receiver with WAAS (Wide Area Augmentation System) capability. The H2183 and GH2183 both contain a 3-axis magnetoinductive electronic compass. A 3-axis accelerometer provides pitch and roll information, which is used by the compass to provide a Z-field correction.
Page 6: Terminology
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential 2.1. Terminology The following terms related to the NMEA 2000® protocol appear on the detailed PGN pages to follow. PGN: Parameter Group Number. NMEA 2000® messages are organized into logical collections of data called Parameter Groups. The NMEA assigns each Parameter Group a unique Parameter Group Number, or PGN.
Page 7: Sequence Id (Sid)
Parameter Groups are synchronized to the same sample interval. In the GH2183/G2183, the following PGNs will contain identical SID values, indicating that the data from each of these PGNs was taken at the same time, even though the PGNs...
Page 8: Precedence Of Data
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential 2.3. Precedence of Data In a given installation, certain data items received by the model H2183 might be available from more than one source. In this circumstance, the following precedence rules apply for the H2183 only.
Page 9 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Table 1: NMEA 2000® Transmitted PGNs Description 59392 ISO Acknowledgement 60928 ISO Address Claim 65285 Proprietary: Boot State Acknowledgment 65287 Proprietary: Access Level 65410 Proprietary: Internal Device Temperature and Supply Voltage 126208 Acknowledge Group Function 126464 PGN List –...
Page 10: Pgn 059392 Iso Acknowledgment
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 059392 ISO Acknowledgment (0x0E800) Single Frame: Yes Priority: 6/N/N Update Rate: 0/N/N Destination: Address Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 11: Pgn 060928 Iso Address Claim
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 060928 ISO Address Claim (0x0EE00) Single Frame: Yes Priority: 6/N/N Update Rate: 0/N/N Destination: Address Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 12: Pgn 065285 Proprietary: Boot State Acknowledgment
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 065285 Proprietary: Boot State Acknowledgment (0x0FF05) Single Frame: Yes Priority: 7/N/N Update Rate: 0/N/N Destination: Global Query Support: No Access Level: 0 Field Request Name Type Resolution...
Page 13: Pgn 065287 Proprietary: Access Level
H2183 The Access Level proprietary PGN is a security mechanism that provides the GH2183/G2183/H2183 with a method to limit access to certain functions to devices that understand the proper unlock sequence. Certain operations will not be possible unless the Access Level is first increased to the required value. A nonzero Access Level remains in effect until the unit powers down, or 15 minutes has elapsed, whichever comes first, after which the Access Level returns to zero.
Page 14 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Note that the value in field 4 (Format Code) may correspond to a specific set of algorithms for calculating the key from a given seed. If field 4 is specified in a Request Group PGN 126208, but does not agree with the format code known by the device, then the request will be NAK'ed. If field 4 is not specified in a request, then the PGN will be transmitted with the format code known to the device.
Page 15 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential 2. The unit will respond with PGN 65287, with the current Access Level in field 5, and with a random Seed in field 7. 3. Using the Seed provided in step 2, calculate a Key according to the algorithm corresponding to the desired Access Level.
Page 16: Pgn 065410 Proprietary: Device Temperature And Supply Voltage
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 065410 Proprietary: Device Temp. and Supply Voltage (0xFF82) Single Frame: Yes Priority: 7/Y/Y Update Rate: 0/Y/Y Destination: Global Query Support: Yes Access Level: 0 Field Request Name...
Page 18: Pgn 126464 Pgn List - Transmit/Received Pgn's Group
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 126464 PGN List - Transmit/Received PGNs Group (0x1EE00) Single Frame: No Priority: 6/Y/N Update Rate: 0/N/N Destination: Address Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 19 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential The list of Transmitted PGNs, broken down by model, is as follows: Description 59392 ISO Acknowledgment 60928 ISO Address Claim 126208 Acknowledge Group Function 126464 PGN List – Transmit and Received PGNs Group Function...
Page 20 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential The list of Received PGNs, broken down by model, is as follows. Description 59904 ISO Request 60928 ISO Address Claim 126208 Request Group Function 126208 Command Group Function 127258 Magnetic Variation...
Page 21: Pgn 126720 Addressable Multi-Frame Proprietary
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 126720 Addressable Multi-Frame Proprietary (0x1EF00) Single Frame: No Priority: 7/Y/N Update Rate: 0/N/N Destination: Address Query Support: Yes Access Level: See PID variants Field Request Name Type Resolution...
Page 22: Pgn 126720-32 Proprietary: Attitude Offsets
This PGN does not respond to ISO Requests (PGN 59904). This PGN performs the same function in the GH2183/H2183 as the NMEA 0183 proprietary command, $PAMTC,ATTOFF. Note that in the NMEA 0183 command, the arguments are in degrees, while in the NMEA 2000® PGN, the arguments are in radians. The values are stored in the EEPROM in radians.
Page 23 EEPROM memory within the device, and so remain programmed even after cycling power. The azimuth offset angle is used by the GH2183/H2183 to adjust the vessel’s heading measured by the internal compass. The azimuth offset angle, along with the pitch and roll offset angles, are also used to adjust the reported pitch and roll values in the transmitted PGN 127257, and in the transmitted NMEA 0183 $WIXDR sentence.
Page 24 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential PGN 126720 Field Value 135 (decimal) 4 (decimal) 32 (decimal) Pitch offset angle Roll offset angle 6. At this point the transmitted PGN 127257 should be producing values that are centered around 0.0 degrees for both pitch and roll.
Page 25: Pgn 126720-33 Proprietary: Calibrate Compass
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 126720-33 Proprietary: Calibrate Compass (0x1EF00) Single Frame: No Priority: 7/Y/N Update Rate: 0/N/N Destination: Address Query Support: Yes Access Level: 0/1 Field Request Name Type Resolution Value Remark Param.
Page 26 Calibration needs to be done in calm seas, away from other boats or ferrous objects (structures or aids to navigation). Trying to turn a 2-3 minute circle in strong currents or congested areas will be difficult, if not hazardous. The user calibration sequence for the GH2183 or H2183 is as follows: The compass sensor is installed on the vessel. The unit under test is powered up.
Page 27 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Note: During user compass calibration, heading is not valid and will be output as DataNotAvailable. After calibration is complete, heading will again be valid, and if calibration was successful it will continue to be valid, but if calibration failed, heading will alternate between valid for 10 seconds and not valid for 10 seconds.
Page 28: Pgn 126720-35 Proprietary: Simulate Mode
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 126720-35 Proprietary: Simulate Mode (0x1EF00) Single Frame: No Priority: 7/Y/N Update Rate: 0/N/N Destination: Address Query Support: Yes Access Level: 1 Field Request Name Type Resolution Value Remark Param.
Page 29 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential To change the state of the Simulate Mode option (field 5), use the Command Group Function PGN 126208, specifying the individual fields in PGN 126720-35 as follows. PGN 126720 Field Value 135 (decimal)
Page 30: Pgn 126720-46 Proprietary: Nmea 2000® Options
The data provided by the GH2183/G2183/H2183 are sampled, or measured, at different rates, depending on the nature of the data being measured. For example, the GPS receiver in the GH2183 provides new position fix data once per second, while the compass heading sensor provides new data ten times per second. The rate at which a given source of data is measured is unrelated to the rate at which its corresponding PGN is transmitted.
Page 31 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Measurement Interval Transmission Interval Field 5 Actual Rate of Transmission Comment 500 mS 100 mS 00 = disabled 500 mS In the default case, the device will not transmit data any faster than it is sampled, or measured, even if requested to do so.
Page 32: Pgn 126720-47 Proprietary: Received Pgn Source
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 126720-47 Proprietary: Received PGN Source (0x1EF00) Single Frame: No Priority: 7/Y/N Update Rate: 0/N/N Destination: Address Query Support: Yes Access Level: 0 Field Request Name Type Resolution...
Page 33 Rule value 1: for the received PGN specified in field 5, use the device on the bus transmitting the given PGN, and having the highest priority CAN name (lowest value) with a manufacturer code of 135, corresponding to AIRMAR Technology Corporation. If there are no Airmar devices on the bus transmitting the given PGN, then use the device having the highest priority CAN name, regardless of its manufacturer code.
Page 34 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential To specify a certain transmitting device to be used to supply PGN 127258, set the Rule field (field 6) to a value of 3 or 4, and specify the CAN name of the transmitting device using the Command Group Function PGN 126208, specifying the individual fields in PGN 126720-47 as follows.
Page 35: Pgn 126720-48 Proprietary: Altitude Settings
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 126720-48 Proprietary: Altitude Settings (0x1EF00) Single Frame: No Priority: 7/Y/N Update Rate: 0/N/N Destination: Address Query Support: Yes Access Level: 0 Field Request Name Type Resolution Value Remark Param.
Page 36 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Field Request Name Type Resolution Value Remark Param. Altitude Option for Barometric Pressure DF52 3 bits 0 = Do not use altitude for barometric Default value = 2. pressure altimeter setting This field has no effect.
Page 37: Pgn 126720-49 Proprietary: Set Waas Satellite
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential 126720-49 Proprietary: Set WAAS Satellite (0x1EF00) Single Frame: No Priority: 7/Y/N Update Rate: 0/N/N Destination: Address Query Support: Yes Access Level: 0 Field Request Name Type Resolution Value Remark Param. Manufacturer Code...
Page 38: Pgn 126720-50 Proprietary: Enable Gps Type 0 Messages
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential 126720-50 Proprietary: Enable GPS Type 0 (0x1EF00) Messages Single Frame: No Priority: 7/Y/N Update Rate: 0/N/N Destination: Address Query Support: Yes Access Level: 0 Field Request Name Type Resolution Value Remark Param.
Page 39: Pgn 126992 System Time
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 126992 System Time (0x1F010) Single Frame: Yes Priority: 3/Y/Y Update Rate: 1000 ms/Y/Y Destination: Global Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 40: Pgn 126996 Product Information
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 126996 Product Information (0x1F014) Single Frame: No Priority: 6/Y/N Update Rate: 0/N/N Destination: Global Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 42: Pgn 127250 Vessel Heading
• In the GH2183, magnetic variation is calculated using the present position and today's date provided by the GPS once it has achieved a fix. If a GPS fix has been previously attained, then the variation value will have been stored in EEPROM and will be used until the GPS achieves a new fix. (See the transmitted Magnetic Variation PGN 127258).
Page 43: Pgn 127251 Rate Of Turn
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 127251 Rate of Turn (0x1F113) Single Frame: Yes Priority: 2/Y/Y Update Rate: 100 mS/Y/Y Destination: Global Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 44: Pgn 127257 Attitude
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 127257 Attitude (0x1F119) Single Frame: Yes Priority: 3/Y/Y Update Rate: 1000 mS/Y/Y Destination: Global Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 45: Pgn 127258 Magnetic Variation
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 127258 Magnetic Variation (0x1F11A) Single Frame: Yes Priority: 7/Y/Y Update Rate: 1000 mS/Y/Y Destination: Global Query Support: No Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 46: Pgn 129025 Position, Rapid Update
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 129025 Position, Rapid Update (0x1F801) Single Frame: Yes Priority: 2/Y/Y Update Rate: 100 mS/Y/Y Destination: Global Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 47: Pgn 129026 Cog & Sog, Rapid Update
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 129026 COG & SOG, Rapid Update (0x1F802) Single Frame: Yes Priority: 2/Y/Y Update Rate: 250 mS/Y/Y Destination: Global Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 49: Pgn 129033 Time & Date
H2183 Fields 1 and 2 will only contain valid data once the GH2183/G2183 has achieved a position fix. To change the Local Offset value (field 3), use the Command Group Function PGN 126208, specifying the individual fields in PGN 129033 as follows.
Page 50: Pgn 129044 Datum
Value 4-character Local Datum code KGS, OHI-A, OHI-B, OHI-C, OHI-D, OHI-M, SIR, P90, and S85 are not currently supported by the GPS Engine used in the GH2183/G2183, and therefore are not available for use as Local Datum (field 1). See also the NMEA 0183 transmitted sentence $GPDTM, and the received NMEA 0183 proprietary command $PAMTC,DATUM.
Page 51: Pgn 129538 Gnss Control Status
H2183 Each field in this PGN contains a setting stored in nonvolatile EEPROM within the GH2183/G2183. The default values are shown in the Remarks column. The value in each field may be changed using PGN 126208, Command Group Function.
Page 52: Pgn 129539 Gnss Dops
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 129539 GNSS DOPs (0x1FA03) Single Frame: Yes Priority: 6/Y/Y Update Rate: 1000 mS/Y/Y Destination: Global Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 53: Pgn 129540 Gnss Sats In View
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 129540 GNSS Sats in View (0x1FA04) Single Frame: No Priority: 6/Y/Y Update Rate: 1000 mS/Y/Y Destination: Global Query Support: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial-Data Networking of Marine Electronic Devices available from NMEA.
Page 54: Pgn 130944 Proprietary: Post
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 2000® TRANSMITTED PARAMETER GROUP 130944 Proprietary: POST (0x1FF80) Single Frame: No Priority: 7/Y/N Update Rate: 0/Y/N Destination: Global Query Support: Yes Access Level: 0 Field Request Name Type Resolution Value Remark Param.
Page 55 This PGN does not respond to ISO Requests (PGN 59904). This PGN provides a method of reporting the results of the Power On Self Test performed by the GH2183/G2183/H2183. The various tests performed by the POST are simple tests to determine if the hardware is minimally responding to software stimuli. The POST function should not be regarded as a comprehensive indicator that a given unit is healthy.
Page 56 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Description Failure Codes Compass sensor 0x01 = Sensor fault 0x02-0xEF = reserved GPS receiver 0x01 = Fault 0x02-0xEE = reserved 0xEF = Test results not yet available Attitude sensor 0x01 = Sensor fault...
Page 57 Proprietary and Confidential 2.5. Received NMEA 2000® PGNs The NMEA 2000® PGNs recognized by the GH2183/G2183/H2183 are summarized in Table 2. Each of the PGNs in Table 2 is described in detail on the subsequent pages. Table 2: NMEA 2000® Received PGNs...
Page 58: Pgn 059904 Iso Request
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 2000® RECEIVED PARAMETER GROUP_ 059904 ISO Request (0x0EA00) Single Frame: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial- Data Networking of Marine Electronic Devices available from NMEA.
Page 59: Pgn 060928 Iso Address Claim
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 2000® RECEIVED PARAMETER GROUP_ 060928 ISO Address Claim (0x0EE00) Single Frame: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial- Data Networking of Marine Electronic Devices available from NMEA.
Page 60: Pgn 065286 Proprietary: Boot State Request
H2183 When this destination global PGN is received, the unit will respond by transmitting PGN 65285 (see). It is intended that all Airmar devices connected to the NMEA 2000® bus will likewise also reply accordingly when receiving this PGN.
Page 61: Pgn 126208 Request Group Function
For proprietary PGNs described in this document, fields 1, 2, and 3 (manufacturer code, reserved bits, and industry group) of the proprietary PGN may optionally be combined into a single 16-bit field when specifying fields in PGN 126208. For Airmar proprietary PGNs, the 16-bit field is constructed as follows:...
Page 62 • bits 10-0 = binary 000 1000 0111 = decimal 135 (manufacturer code for Airmar Technology) The concatenation of these 16 bits produces the binary value 1001 1000 1000 0111 = hexadecimal 0x9887. Therefore, instead of specifying the two fields, 11-bit field 1 and 3-bit field 3 for a proprietary PGN, it is permissible to specify a single 16 bit field 1, containing the value 0x9887, for the proprietary PGNs described in this document.
Page 63: Pgn 126208 Command Group Function
For proprietary PGNs described in this document, fields 1, 2, and 3 (manufacturer code, reserved bits, and industry group) of the proprietary PGN may optionally be combined into a single 16-bit field when specifying fields in PGN 126208. For Airmar proprietary PGNs, the 16-bit field is constructed as follows: •...
Page 64 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential See also related PGNs: • the received Request Group Function PGN 126208 • the transmitted Acknowledge Group Function PGN 126208...
Page 65: Pgn 126720 Addressable Multi-Frame Proprietary
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 2000® RECEIVED PARAMETER GROUP_ 126720 Addressable Multi-Frame Proprietary (0x1EF00) Single Frame: No Access Level: See PID variants Field Name Type Resolution Value Remark Manufacturer Code DD172 DF52 11 bits 135 (decimal) Manufacturer Code for Airmar Technology.
Page 66: Pgn 126720-1 Proprietary: Master Reset
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 2000® RECEIVED PARAMETER GROUP_ 126720-1 Proprietary: Master Reset (0x1EF00) Single Frame: No Access Level: 1 Field Name Type Resolution Value Remark Manufacturer Code DD172 DF52 11 bits 135 (decimal) Manufacturer Code for Airmar Technology.
Page 67: Pgn 126720-130 Proprietary: Reset Eeprom
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 2000® RECEIVED PARAMETER GROUP_ 126720-130 Proprietary: Reset EEPROM (0x1EF00) Single Frame: No Access Level: 1 Field Name Type Resolution Value Remark Manufacturer Code DD172 DF52 11 bits 135 (decimal) Manufacturer Code for Airmar Technology.
Page 68 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Note that this PGN requires Access Level 1, even when resetting the Unique Number to its factory default value (option 0x4). The proprietary PGN to change the Unique Number to a value other than the factory default value, which is described in another document, requires Access Level 2.
Page 69: Pgn 126720-132 Proprietary: Reset Gps
Upon receiving this PGN, the GH2183/G2183 will reset its internal GPS module. In order for this received PGN to be recognized by the GH2183/G2183, the Manufacturer Code, Industry Group, and Proprietary ID (fields 1, 3, and 4) must match the values shown.
Page 70: Pgn 127258 Magnetic Variation
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 2000® RECEIVED PARAMETER GROUP_ 127258 Magnetic Variation (0x1F11A) Single Frame: Yes Access Level: 0 For further information about the NMEA 2000® protocol, including field descriptions refer to the document, NMEA 2000® Standard for Serial- Data Networking of Marine Electronic Devices available from NMEA.
Page 71: Nmea 0183 Interfaces
Proprietary and Confidential NMEA 0183 Interfaces The Airmar GH2183/G2183/H2183 has a single standard NMEA 0183-compliant output channel, and a single standard NMEA 0183-compliant input channel. The unit transmits standard NMEA 0183 sentences on its output channel. It also recognizes standard and proprietary NMEA 0183 sentences received on its input channel.
Page 72 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential The Maximum Length (chars) column in the table indicates an expected worst-case scenario that can be used for bandwidth budgeting. The total time in seconds required to transmit all enabled sentences in a single interval is ×...
Page 73: Gpdtm
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 0183 TRANSMITTED SENTENCE Summary NMEA 0183 standard Datum Reference. GH2183 $GPDTM G2183 supported in: H2183 Syntax $GPDTM,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>*hh<CR><LF> Fields Three character alphabetical code for local datum: <1> W84 (WGS84) W72 (WGS72) S85 (SGS85)
Page 74 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Latitude and longitude offsets are positive numbers; the altitude offset may be negative. Offsets change with position; position in the local datum is offset from the position in the reference datum in the directions indicated:...
Page 75: Gpgga
5 = Float RTK 6 = Estimated (dead reckoning) Mode 7 = Manual Input Mode 8 = Simulator Mode The only values transmitted by the GH2183/G2183 for the quality indicator are 0,1, and 8. Number of satellites in use, 0-12 <7>...
Page 76 Geoidal separation, meters (to the nearest whole meter). This field is <11> not provided by the GH2183/G2183, and appears as a null field. M. This field is not provided by the GH2183/G2183, and appears as a <12> null field. Age of Differential GPS data, seconds. This field is not provided by the <13>...
Page 77: Gpgll
E = Estimated (dead reckoning) mode M = Manual input mode S = Simulator mode N = Data not valid The only values transmitted by the GH2183/G2183 for the Mode indicator are A, S, and N. Default State Disabled. Once per second when enabled.
Page 78: Gpgsa
Fields M = Manual, forced to operate in 2D or 3D mode <1> A = Automatic, allowed to automatically switch 2D/3D In the GH2183/G2183, field <1> always contains the value of "A" (automatic). 1 = Fix not available <2> 2 = 2D fix...
Page 79: Gpgsv
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 0183 TRANSMITTED SENTENCE Summary NMEA 0183 standard GNSS Satellites in View. GH2183 $GPGSV G2183 supported in: H2183 Syntax $GPGSV,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>, <12>,<13>,<14>,<15>,<16>,<17>,<18>,<19>*hh<CR><LF> Fields Total number of GSV sentences (1 to 3) <1> Sentence number (1, 2, or 3) <2>...
Page 80 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Default State Disabled. Once per second when enabled. This sentence is transmitted in groups of up to three instances, containing data for up to 4 satellites with each instance, for a total of up to 12 satellites. Fields <1> and <3> only contain data in the first instance;...
Page 81: Hchdg
<5> W if field <4> is degrees West Default State Enabled. In the GH2183, the default transmission rate is 10 times per second. In the H2183, the default transmission rate is 10 times per second. Notes This sentence may be enabled or disabled via the $PAMTC,EN,HDG command.
Page 82: Hchdt
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential NMEA 0183 TRANSMITTED SENTENCE Summary NMEA 0183 standard Heading relative to True North GH2183 $HCHDT G2183 supported in: H2183 Syntax $HCHDT,<1>,<2>*hh<CR><LF> Fields Heading relative to True North <1> T = True <2>...
Page 83: Gprmc
D = Differential mode E = Estimated (dead reckoning) mode M = Manual input mode S = Simulator mode N = Data not valid The only values transmitted by the GH2183/G2183 for the Mode indicator are A, S, and N.
Page 84 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Default State Enabled. Transmitted once per second. Notes This sentence may be enabled or disabled via the $PAMTC,EN,RMC command.
Page 85: Tirot
Status: A = Data Valid; V = Data Invalid. <2> Default State Enabled. In the GH2183, the default transmission rate is once per second. In the H2183, the default transmission rate is 5 times per 3 seconds. Notes This sentence may be enabled or disabled via the $PAMTC,EN,ROT command.
Page 86: Gpvtg
E = Estimated (dead reckoning) mode M = Manual input mode S = Simulator mode N = Data not valid The only values transmitted by the GH2183/G2183 for the Mode indicator are A, S, and N. Default State Disabled. Once per second when enabled.
Page 87: Yxxdr
D = degrees <7> ROLL (ID indicating roll of vessel) <8> Default State $YXXDR(B): Enabled. In the GH2183, the default transmission rate is 5 times per 4 seconds. In the H2183, the default transmission rate is 5 times per 2 seconds. Notes...
Page 88 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential The fields in an XDR sentence are grouped in sets of four. There may be up to four sets, with four fields per set, in a single transmitted XDR sentence. Each set contains, in order, the four fields <Type>, <Data>, <Units>, and <ID>.
Page 89: Gpzda
At Chatham Is. (New Zealand) at 1230 (noon) local time on June 10, 1995: $GPZDA,234500,09,06,1995,-12,45*6C<CR><LF> In the Cook Islands at 1500 local time on June 10, 1995: $GPZDA,013000,11,06,1995,10,30*4A<CR><LF> In the GH2183/G2183, the local time zone fields in the NMEA 0183 $GPZDA sentence may only be changed by receiving an NMEA 2000® Command Group...
Page 90 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Function PGN 126208 to change the Local Offset field 3 of the Time and Date PGN 129033. (See page 45.) The local time zone is not changeable via the NMEA 0183 interface.
Page 91: Received Nmea 0183 Sentences And Commands
Proprietary and Confidential 3.2. Received NMEA 0183 Sentences and Commands The GH2183/G2183/H2183 has an NMEA 0183-compliant input channel that is capable of receiving standard NMEA sentences as well as proprietary commands for initialization, calibration, or to modify the behavior of the unit.
Page 92 $--VTG Standard NMEA COG and SOG (for magnetic variation) No No $PAMTC,ALT Program the GH2183/G2183 with an altitude to be used for calculation of 2D position fixes. $PAMTC,ATTOFF Program the GH2183/H2183 with angular attitude offsets: azimuth, pitch, and roll $PAMTC,BAUD...
Page 93: Rmc
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ Summary NMEA 0183 standard Recommended Minimum Specific GNSS Data. GH2183 $--RMC G2183 supported in: H2183 Syntax $--RMC,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>, <9>,<10>,<11>,<12>*hh<CR><LF> Fields UTC of position <1> Status: A = Data Valid; V = Navigation Receiver Warning <2>...
Page 94 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Notes This received sentence may be used by the H2183 to provide magnetic variation used for calculating heading relative to true north. Refer to the remarks for the transmitted Vessel Heading PGN 127250 for precedence rules regarding data received via this sentence.
Page 95: Vtg
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ Summary NMEA 0183 standard Course Over Ground and Ground Speed. GH2183 $--VTG G2183 supported in: H2183 Syntax $--VTG,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<CR><LF> Fields Course Over Ground, degrees True <1> T = True <2>...
Page 96: Pamtc
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ $PAMTC Summary Prefix for recognized proprietary commands. Syntax $PAMTC,<1>…*hh<CR><LF> Fields Command mnemonic. This may be any of the following: <1> ATTOFF BAUD DATUM ERST OPTION POST RESET The number and meaning of any subsequent fields is dependent on the command mnemonic.
Page 97: Pamtc,Alt
If either of the fields <2> or <3> are null fields, the corresponding stored value will remain unchanged. The $PAMTC,ALT,Q command is used to query the values of the parameters currently programmed into the GH2183/G2183. The unit will reply with...
Page 98 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential $PAMTR,ALT,a,b where a and b correspond to fields <2> and <3>, respectively, in the $PAMTC,ALT,SET command. Field <2> corresponds to the NMEA 2000® transmitted PGN 129538, field 9. Field <3> corresponds to the NMEA 2000® transmitted PGN 129538, field 10.
Page 99: Pamtc,Attoff
NMEA 2000® PGN, the arguments are in radians. The values stored in the GH2183/H2183 are in radians. Therefore, when using the $PAMTC,ATTOFF command, there may be a slight rounding error causing the values read back from the GH2183/H2183 to be different than the commanded values by one least significant digit.
Page 100 Proprietary and Confidential The $PAMTC,ATTOFF,SET,<3>,<4>,<5> command is used to program the GH2183/H2183 with the attitude offset angles when the sensor is not oriented parallel to the centerline, and perpendicular to the deck of the vessel. The programmed values are stored in nonvolatile EEPROM memory within the device, and so remain programmed even after cycling power.
Page 101 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential in this sentence is a null field, indicating we are not changing its value at this time. 6. At this point the transmitted XDR sentences should be producing values that are centered around 0.0 degrees for both pitch and roll.
Page 102: Pamtc,Baud
4800 baud to 38400 baud. The following assumes there is a single host device communicating with the GH2183/G2183/H2183: 1. Send the $PAMTX command to the GH2183/G2183/H2183 (at 4800 baud) to temporarily disable transmission of periodic sentences. 2. Send the $PAMTC,BAUD,38400 command (at 4800 baud) to instruct the unit to change its baud rate to 38400.
Page 103: Pamtc,Comp
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ COMP $PAMTC, Summary User calibration commands for the internal compass sensor. Syntax One of the following forms: $PAMTC,COMP,GO*hh<CR><LF> $PAMTC,COMP,RESETALL*hh<CR><LF> $PAMTC,COMP,RESETCAL*hh<CR><LF> $PAMTC,COMP,RESETDAMP*hh<CR><LF> $PAMTC,COMP,SET,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<CR><LF> $PAMTC,COMP,Q*hh<CR><LF> $PAMTC,COMP,X*hh<CR><LF> $PAMTC,COMP,VERIFY*hh<CR><LF>...
Page 104 (structures or aids to navigation). Trying to turn a 2-3 minute circle in strong currents or congested areas will be difficult, if not hazardous. The user calibration sequence for the GH2183 or H2183 is as follows: 1. The compass sensor is installed on the vessel. The unit under test is powered up.
Page 105 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential $PAMTR,COMP,PASS, <1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<CR><LF> Or, upon failure it will reply with: $PAMTR,COMP,FAILx, <1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<CR><LF> Where x indicates the type of failure, 1 = Timeout, 2 = Tilt Error, or 3 = Other Error. Timeout errors: 5 minute timeout occurred before successful completion or more than 30 seconds was taken to turn thru 45 degrees.
Page 106 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential $PAMTC,COMP,RESETALL Summary Reset the user calibration coefficients and damping control to the default values. Syntax $PAMTC,COMP,RESETALL*hh<CR><LF> Reply The compass will reset the user calibration coefficients and damping control (fields 1-9) and reply with: $PAMTR,COMP,RESETALL, <1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<CR><LF>...
Page 107 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential $PAMTC,COMP,SET Summary Set one or more user compass calibration coefficients. Syntax $PAMTC,COMP,SET,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<C R><LF> where fields <1> through <9> contain the data to be set into the compass’s nonvolatile EEPROM corresponding to the fields as follows.
Page 108 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential $PAMTC,COMP,Q Summary Query the compass for the stored user compass calibration coefficients. Syntax $PAMTC,COMP,Q*hh<CR><LF> Reply The compass will reply with: $PAMTR,COMP,Q, <1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<CR><LF> where fields <1> through <9> contain the data from the compass’s nonvolatile EEPROM corresponding to the fields as follows.
Page 109 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential $PAMTC,COMP,X Summary Terminate the user compass calibration mode. Syntax $PAMTC,COMP,X*hh<CR><LF> Reply $PAMTR,COMP,X, <1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<CR><LF> Notes Upon receiving $PAMTC,COMP,X user calibration mode will be terminated, if it had been previously entered by a $PAMTC,COMP,GO. The reply will always be issued.
Page 110 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential $PAMTC,COMP,VERIFY Summary Verify the user compass calibration mode. Syntax $PAMTC,COMP,VERIFY*hh<CR><LF> The verify user calibration sequence for the is as follows: GH2183/H2183 1. The compass is installed on the vessel. The unit under test is powered up. User calibration has been completed successfully.
Page 111: Pamtc,Datum
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ DATUM $PAMTC, Summary Define the local datum to which GPS position locations are referenced. GH2183 $PAMTC,DATUM G2183 supported in: H2183 Syntax One of the following forms: $PAMTC,DATUM,SET,<3>,<4>*hh<CR><LF> $PAMTC,DATUM,Q*hh<CR><LF>...
Page 112 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential The value established by this command will be used by the transmitted $GPDTM sentence. KGS, OHI-A, OHI-B, OHI-C, OHI-D, OHI-M, SIR, P90, and S85 are not currently supported by the GPS Engine used in the...
Page 113: Pamtc,En
Fields <2> The identifier ALL, or one of the following sentence ID’s: Model GH2183: DTM, GGA, GLL, GSA, GSV, HDG, HDT, RMC, ROT, VTG, XDR, ZDA Model G2183: DTM, GGA, GLL, GSA, GSV, RMC, VTG, Model H2183: HDG, HDT, ROT, XDR <3>...
Page 114 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential The amount of time between successive transmissions of the specified <4> sentence, in tenths of a second. For example, if field <4> contains the value 5, this specifies an interval of 0.5 seconds between successive transmissions of the specified sentence.
Page 115 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential If either of fields <3> or <4> is a null field, then that field will remain unchanged from its previous value. The selections as to which sentences are enabled for transmission, and the rate at which each sentence is transmitted, are stored in nonvolatile EEPROM memory within the unit.
Page 116 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential The $PAMTC,EN,Q command provides a query function to allow reading the current settings from the working copy in RAM. The reply to the $PAMTC,EN,Q command is a series of sentences with the following format: $PAMTR,EN,<1>,<2>,<3>,<4>,<5>*hh<CR><LF>...
Page 117 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Example 2: To reload the factory defaults for the $PAMTC,EN settings into EEPROM without affecting other EEPROM settings, send the following sequence of commands to the unit: $PAMTC,EN,LD $PAMTC,EN,S Example 3: To enable transmission of the VTG sentence and set it to transmit at the slow rate of...
Page 118: Pamtc,Erst
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ ERST $PAMTC, Summary Reset the user portion of nonvolatile EEPROM to its factory default state. GH2183 $PAMTC,ERST G2183 supported in: H2183 Syntax $PAMTC,ERST*hh<CR><LF> Notes This command performs the same function as the received proprietary NMEA...
Page 119: Pamtc,Option
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ OPTION $PAMTC, Summary Enable or disable certain features, or query their state. GH2183 $PAMTC,OPTION G2183 supported in: H2183 Syntax One of the following forms: $PAMTC,OPTION,SET,<3>,<4>*hh<CR><LF> $PAMTC,OPTION,Q,<3>*hh<CR><LF> Fields Option 2: 2 = Set GPS fix mode <3>...
Page 120 Notes Option 2: The GPS receiver in the GH2183/G2183 can calculate a position fix when it has achieved a lock on at least three GPS satellites. If it has achieved a lock on four or more satellites, the unit may be able to calculate a 3D position fix, meaning it can determine latitude, longitude, and altitude.
Page 121 GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential sky must be satisfactory in order to achieve good geometry in the fix calculation, as determined by the HDOP, VDOP, and PDOP values. See also NMEA 2000® PGN 129538. Option 3: The Wide Area Augmentation System (WAAS) uses a system of land based reference stations and geostationary satellites to augment the Global Positioning System (GPS) in order to provide additional accuracy, integrity, and availability.
Page 122: Pamtc,Post
<1> = Format Code <2> = Factory EEPROM <3> = User EEPROM <4> = Compass sensor (GH2183 and H2183 only) <5> = GPS receiver (GH2183 and G2183 only) <6> = Attitude sensor (GH2183 and H2183 only) <7> = Rate gyro (GH2183 and H2183 only) <8>...
Page 123 Proprietary and Confidential The Power-On Self Test is performed automatically a few seconds after applying power to the unit. A properly operating GH2183 will reply with $PAMTR,POST,0,0,0,0,0,0,0,0,0,GCR200. A properly operating G2183 will reply with $PAMTR,POST,0,0,0,,0,,,0,0,GCR200. A properly operating H2183 will reply with $PAMTR,POST,0,0,0,0,,0,0,0,0,GCR200.
Page 124: Pamtc,Qps
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ $PAMTC, Summary Query part number and serial number information. GH2183 $PAMTC,QPS G2183 supported in: H2183 Syntax $PAMTC,QPS*hh<CR><LF> The device will reply with a sentence in the following form: $PAMTR,QPS,<1>,<2>*hh<CR><LF>...
Page 125: Pamtc,Qv
The device will reply with a sentence in the following form: $PAMTR,QV,<1>,<2>,<3>,<4>,<5>,<6>,<7>*hh<CR><LF> where <1> = Null field <2> = Hardware version <3> = OEM option <4> = Null field <5> = Bootloader firmware version <6> = Application firmware version <7> = GPS module version (models GH2183 and G2183 only)
Page 126: Pamtc,Reset
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ RESET $PAMTC, Summary Reset the unit. GH2183 $PAMTC,RESET G2183 supported in: H2183 Syntax $PAMTC,RESET*hh<CR><LF> The device will reset as though power had been removed and reapplied. All settings will revert to their power-on defaults.
Page 127: Pamtc,Sim
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ $PAMTC, Summary Turn Simulate Mode On or Off. GH2183 $PAMTC,SIM G2183 supported in: H2183 Syntax One of the following forms: Turn Simulate Mode Off $PAMTC,SIM,0*hh<CR><LF> (default state). Turn Simulate Mode On.
Page 128: Pamtx
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential _NMEA 0183 RECEIVED SENTENCE_ $PAMTX Summary Suspend and resume transmission of NMEA sentences. GH2183 $PAMTX G2183 supported in: H2183 Syntax $PAMTX,<1>*hh<CR><LF> Fields 0 = temporarily suspend transmission of all NMEA sentences. (default) <1>...
Page 129: Revision History
GH2183/G2183/H2183 User Manual revision 1.000 Proprietary and Confidential Revision History Created 1.000 Date: 02/19/10 Description: Released Changes: Removed NMEA 2000 Proprietary PGN information contained in Technical Manual...

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