ABB REF 610 Technical Reference Manual page 87

1MRS 755310 Feeder Protection Relay
Technical Reference Manual
Structure 3
This structure contains Modbus event records. Refer to section Event records for the
reading method.
Table 4.1.15.2-7 Event record
Address Signal name
671
Latest selection code
672 Sequence number
673 Unread records left
674 Time stamp of the event, date
675 Time stamp of the event, date and time
676 Time stamp of the event, time
677 Time stamp of the event, time
678 Modbus DI point or informative event (SPA
channel)
• DI event
• Informative event
679 DI value or SPA event code
• DI event
• Informative event
1)
Readable and writeable register.
Range
1) 1...3
-1...-99
1...255
0...99
0...999
0/1
0
1
0/1
0...63
REF 610
Comment
1 = read oldest
unread record
2 = read oldest
stored record
3 = clear Modbus
event buffer
-1...-99 = move to
the nth newest
record
2 bytes: YY.MM
2 bytes: DD.HH
2 bytes: MM.SS
0...999 ms
When MSB = 0,
bits 14...0
indicate the DI
point.
When MSB = 1,
bits 14...0
indicate the SPA
channel.
In case of a DI
event, the
register will
contain the DI
value.
In case of an
informative event,
the register will
contain the SPA
event code.
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