Maretron GPS100 - Manual (Page 25)

® ®
Revision 1.2 Appendix A – NMEA 2000 ® Interfacing Page A9
PGN 126208 – NMEA Request Group Function – Transmission Periodic Rate
This PGN will enable or disable the periodic transmission of specific PGNs.
Field 1: Complex Command Group Function Code (8 bits) – set this field’s value to 0x00,
which denotes a request PGN
2: Requested PGN (24 bits) – set this field’s value to the corresponding PGN for which
you wish to change the periodic rate.
3: Transmission Interval (32 bits) – set this field’s value to 0x0 to disable the periodic
transmission of the PGN identified in field 2 above. Otherwise, program in the default
periodic rate to restore periodic transmission of the PGN identified in field 2 above.
The resolution of this field is 1 millisecond.
4: Transmission Interval Offset (16 bits) – set this field’s value to 0xFFFF; all other
values will cause the request to be rejected.
5: Number of Pairs of Commanded Parameters to Follow (8 bits) – set this field’s value
to 0x0.