4–6 350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
A1 STATUS CHAPTER 4: ACTUAL VALUES
• PRP_HSR B TX - This is the number of correct messages transmitted over port B.
• PRP_HSR A ERR - This is the number of bad messages received over port A.
• PRP_HSR B ERR - This is the number of bad messages received over port B.
IEEE 1588 PTP (Precision Time Protocol)
PATH: ACTUAL VALUES > A1 STATUS > PTP
Grandmaster ID:
GRAND MAS HI + GRAND MAS LO is the grandmaster identity code being received from the
present PTP grandmaster, if any. When the relay is not using any PTP grandmaster, this
actual value is zero. The grandmaster identity code is specified by PTP to be globally
unique, so one can always know which clock is the grandmaster in a system with multiple
grandmaster-capable clocks.
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