ABB Relion 620 Series Protocol Manual page 61

Modbus communication
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1MRS757645 B
620 series
Communication Protocol Manual
easiest way to detect the duplication is to check the sequence number of the event
records. The sequence numbers remain similar to the duplicated event records.
Extended event record structure
The extended register addresses are 49250 and 49263-49361.
Table 34:
Extended event record structure with the maximum of 10 event records
Address
Register
49250
Num of records
49251
Selection
49252
Sequence Number 1
49253
Unread records left 1
49254
TimeStamp 1
49255
TimeStamp 1
49256
TimeStamp 1
49257
TimeStamp 1
49258
Event Type 1
49259
Data Object Id 1_1
49260
Data Object Id 2_1
49261
Data Value 1
49262
Data Value 1
49263
Sequence Number 2
49264
Unread records left 2
49265
TimeStamp 2
49266
TimeStamp 2
49267
TimeStamp 2
49268
TimeStamp 2
49269
Event Type 2
49270
Data Object Id 1_2
49271
Data Object Id 2_2
49272
Data Value 2
49273
Data Value 2
49274
Sequence Number 3
:
49285
Sequence Number 4
:
49296
Sequence Number 5
:
49307
Sequence Number 6
:
49318
Sequence Number 7
Table continues on next page
Vendor-specific implementation
Values
1...10
:
:
:
:
:
:
:
:
Section 3
Description
Write: Number of Event
structures
Write: Selection code
Event record 1
Event record 2
Event record 3
:
Event record 4
:
Event record 5
:
Event record 6
:
Event record 7
55

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