ABB Relion Series 670 Manual page 53

1MRK 511 349-UEN -
670 series 2.1 IEC
Communication protocol manual
A GOOSE message is forced to be transmitted when a trigger change is detected for
a data attribute. All members of the data set are copied in the send buffer with their
actual value and the message is sent. The subscribers, who knows the address of this
GOOSE message, receives the telegram. The GOOSE message includes a sequence
number to verify that all messages are received.
Data sets and control blocks
Section 6
47