NMEA 2000

1 NMEA 2000 STANDARD FOR SERIAL-DATA NETWORKING OF MARINE ELECTRONIC DEVICESISO Acknowledgment059392 Field #Field DescriptionThis message is provided by ISO 11783 for a handshake mechanism between transmitting and receiving devices. This message is the possible response to acknowledge the reception of a normal broadcast message or the response to a specific command to indicate compliance or Byte2 Group Function Value3 Reserved Bits4 PGN of Requested InformationISO Request059904 Field #Field DescriptionAs defined by ISO, this message has a data length of 3 bytes with no padding added to complete the single frame. The appropriate response to this message is based on the PGN being requested, and whether the receiver supports the requested being requestedISO Transport Protocol, Data Transfer060160 Field #Field DescriptionISO 11783 defines this PGN as part of the transport protocol method used for transmitting messages that have 9 or more data bytes.

2 This PGN represents a single packet of a multipacket message. 1 Sequence number of multi-packet frame2 Multi-packet packetized dataISO Transport Protocol, Connection Management - RTS group function060416 Field #Field DescriptionISO 11783 defines this group function PGN as part of the transport protocol method used for transmitting messages that have 9 or more data bytes. This PGN s role in the transport process is determined by the group function value found in the first data byte of the Group Function Code2 Total message size, bytes3 Total number of frames to be transmitted4 Reserved Bits5 PGN of multi-packet messageISO Transport Protocol, Connection Management - CTS group function060416 Field #Field DescriptionISO 11783 defines this group function PGN as part of the transport protocol method used for transmitting messages that have 9 or more data bytes. This PGN s role in the transport process is determined by the group function value found in the first data byte of the Group Function Code2 Number of frames that can be sent3 Number of next frame to be transmitted4 Reserved Bits5 PGN of multi-packet messagePage 1 of 52 Parameter Group FieldsVersion - 12-Apr-10 Copyright NMEA 1999-2010 NMEA 2000 STANDARD FOR SERIAL-DATA NETWORKING OF MARINE ELECTRONIC DEVICESISO Transport Protocol, Connection Management - EOM group function060416 Field #Field DescriptionISO 11783 defines this group function PGN as part of the transport protocol method used for transmitting messages that have 9 or more data bytes.

3 This PGN s role in the transport process is determined by the group function value found in the first data byte of the Group Function Code2 Total message size, bytes3 Total number of frames received4 Reserved Bits5 PGN of multi-packet messageISO Transport Protocol, Connection Management - BAM group function060416 Field #Field DescriptionISO 11783 defines this group function PGN as part of the transport protocol method used for transmitting messages that have 9 or more data bytes. This PGN s role in the transport process is determined by the group function value found in the first data byte of the Group Function Code2 Total message size, bytes3 Total number of frames to be transmitted4 Reserved Bits5 PGN of multi-packet messageISO Transport Protocol, Connection Management - Abort group function060416 Field #Field DescriptionISO 11783 defines this group function PGN as part of the transport protocol method used for transmitting messages that have 9 or more data bytes.

4 This PGN s role in the transport process is determined by the group function value found in the first data byte of the Group Function Code2 Reserved Bits3 PGN of multi-packet messageISO Address Claim060928 Field #Field DescriptionThis network management message is used to claim network address, reply to devices requesting the claimed address, and to respond with device information ( name ) requested by the ISO Request or Complex Request Group Function. This PGN contains several fields that are requestable, either independently or in any Number (ISO Identity Number)2 Manufacturer Code3 Device Instance Lower (ISO ECU Instance)4 Device Instance Upper (ISO Function Instance)5 Device Function (ISO Function)6 Reserved7 Device Class8 System Instance (ISO Device Class Instance)9 Industry Group10 Reserved (ISO Self Configurable)Page 2 of 52 Parameter Group FieldsVersion - 12-Apr-10 Copyright NMEA 1999-2010 NMEA 2000 STANDARD FOR SERIAL-DATA NETWORKING OF MARINE ELECTRONIC DEVICESISO Commanded Address065240 Field #Field DescriptionISO 11783 defined this message to provide a mechanism for assigning a network address to a node.

5 The name information in the data portion of the message must match the name information of the node whose network address is to be set. 1 Unique Number (ISO Identity Number)2 Manufacturer Code3 Device Instance Lower (ISO ECU Instance)4 Device Instance Upper (ISO Function Instance)5 Device Function (ISO Function)6 Reserved Bits7 Device Class8 System Instance (ISO Device Class Instance)9 Industry Group10 Reserved (ISO Self Configurable)11 New Source AddressNMEA - Request group function126208 Field #Field DescriptionThe Request / Command / Acknowledge Group type of function is defined by first field. The message will be a Request, Command, or Acknowledge Group Request Group Function Code2 Requested PGN3 Transmission interval4 Transmission interval offset5 Number of Pairs of Request Parameters to follow6 Field number of first requested parameter7 Value of first requested parameter8 Variable Number of fields, Field number 6 repeated9 Variable Number of fields, Field number 7 repeatedNMEA - Command group function126208 Field #Field DescriptionThe Request / Command / Acknowledge Group type of function is defined by first field.

6 The message will be a Request, Command, or Acknowledge Group Group Function Code2 Commanded PGN3 Priority Setting4 Reserved Bits5 Number of Pairs of Commanded Parameters to follow6 Field number of first commanded parameter7 Value of first command parameter8 Variable Number of fields, Field number 6 repeated9 Variable Number of fields, Field number 7 repeatedPage 3 of 52 Parameter Group FieldsVersion - 12-Apr-10 Copyright NMEA 1999-2010 NMEA 2000 STANDARD FOR SERIAL-DATA NETWORKING OF MARINE ELECTRONIC DEVICESNMEA - Acknowledge group function126208 Field #Field DescriptionThe Request / Command / Acknowledge Group type of function is defined by first field. The message will be a Request, Command, or Acknowledge Group Group Function Code2 Requested or Commanded PGN # being acknowledged3 PGN error code4 Transmission Interval / Priority error code5 Number of Requested or Commanded Parameters6 First parameter error code7 Variable Number of fields, Field number 6 repeatedNMEA - Read Fields - group function126208 Field #Field DescriptionThe Request / Command / Acknowledge Group type of function is defined by first field.

7 The message will be a Request, Command, or Acknowledge Group Request Group Function Code2 PGN Number3 Manufacturer's Code4 Reserve Bits5 Industry Group6 Unique ID7 Number of pairs of Commanded Parameters Fields8 Number of pairs of Fields to Read9 Field Number of first Commanded Parameter10 Value of first Commanded Parameter11 Variable Number of fields, field 9 repeated12 Variable Number of Fields, field 10 repeated13 Field Number of first Field to Read14 Variable Number of Fields, field 13 repeatedPage 4 of 52 Parameter Group FieldsVersion - 12-Apr-10 Copyright NMEA 1999-2010 NMEA 2000 STANDARD FOR SERIAL-DATA NETWORKING OF MARINE ELECTRONIC DEVICESNMEA - Read Fields Reply - group function126208 Field #Field DescriptionThe Request / Command / Acknowledge Group type of function is defined by first field. The message will be a Request, Command, or Acknowledge Group Request Group Function Code2 PGN Number3 Manufacturer's Code4 Reserve Bits5 Industry Group6 Unique ID7 Number of pairs of Commanded Parameters Fields8 Number of pairs of Fields to Read9 Field Number of first Commanded Parameter10 Value of first Commanded Parameter11 Variable Number of fields, field 9 repeated12 Variable Number of Fields, field 10 repeated13 Field Number of first Field to Read14 Value of first Field to Read15 Variable Number of Fields, field 13 repeated16 Variable Number of Fields, field 14 repeatedNMEA - Write Fields - group function126208 Field #Field DescriptionThe Request / Command / Acknowledge Group type of function is defined by first field.

8 The message will be a Request, Command, or Acknowledge Group Request Group Function Code2 PGN Number3 Manufacturer's Code4 Reserve Bits5 Industry Group6 Unique ID7 Number of pairs of Commanded Parameters Fields8 Number of pairs of Fields to Written9 Field Number of first Commanded Parameter10 Value of first Commanded Parameter11 Variable Number of fields, field 9 repeated12 Variable Number of Fields, field 10 repeated13 Field Number of first Field to be Written14 Value of first Field to be written15 Variable Number of Fields, field 13 repeated16 Variable Number of Fields, field 14 repeatedPage 5 of 52 Parameter Group FieldsVersion - 12-Apr-10 Copyright NMEA 1999-2010 NMEA 2000 STANDARD FOR SERIAL-DATA NETWORKING OF MARINE ELECTRONIC DEVICESNMEA - Write Fields Reply - group function126208 Field #Field DescriptionThe Request / Command / Acknowledge Group type of function is defined by first field.

9 The message will be a Request, Command, or Acknowledge Group Request Group Function Code2 PGN Number3 Manufacturer's Code4 Reserve Bits5 Industry Group6 Unique ID7 Number of pairs of Commanded Parameters Fields8 Number of pairs of Fields to Written9 Field Number of first Commanded Parameter10 Value of first Commanded Parameter11 Variable Number of fields, field 9 repeated12 Variable Number of Fields, field 10 repeated13 Field Number of first Field to be Written14 Status of first Field Written15 Variable Number of Fields, field 13 repeated16 Variable Number of Fields, field 14 repeatedPGN List - Transmit PGN's group function126464 Field #Field DescriptionThe Transmit / Receive PGN List Group type of function is defined by first field. The message will be a Transmit or Receive PGN List group PGN Group Function Code2 First PGN supported3 Variable Number of fields, Field number 2 repeatedPGN List - Received PGN's group function126464 Field #Field DescriptionThe Transmit / Receive PGN List Group type of function is defined by first field.

10 The message will be a Transmit or Receive PGN List group PGN Group Function Code2 First PGN supported3 Variable Number of fields, Field number 2 repeatedPage 6 of 52 Parameter Group FieldsVersion - 12-Apr-10 Copyright NMEA 1999-2010 NMEA 2000 STANDARD FOR SERIAL-DATA NETWORKING OF MARINE ELECTRONIC DEVICESS ystem Time126992 Field #Field DescriptionThe purpose of this PGN is twofold: To provide a regular transmission of UTC time and date. To provide synchronism for measurement Bits4 Date5 TimeProduct Information126996 Field #Field DescriptionProvides product information onto the network that could be important for determining quality of data coming from this product. 1 NMEA 2000 Database Version2 NMEA Manufacturer's Product Code3 Manufacturer's Model ID4 Manufacturer's Software Version Code5 Manufacturer's Model Version6 Manufacturer's Model Serial Code7 NMEA 2000 Certification Level8 Load EquivalencyConfiguration Information126998 Field #Field DescriptionFree-form alphanumeric fields describing the installation ( , starboard engine room location) of the device and installation notes ( , calibration data).