ENTRY No. Group 64 (0x40)
31 LPL (LON protocol layer)
32 TRC (Traceability)
33 BP (Bay protection)
Table 16: Used attributes of ASDU 10 for diagnostic events
COT CAA FUN
1 Spontaneous 0 for REB500 CU 254 Generic
1 to 60 for REB500 BU
With the exception of the header (entry 0), the current values of the entries are not available on
request. The response to the corresponding generic read command is therefore COT 43
‘invalid data response to generic read command’.
The current value of the group header (entry 0) corresponds to the number of subsystems in
the REB500 system software.
Table 17: Directory entry for GIN 0x4000 (header)
COD Data type Length Number Value / Significance
<10> Description <1> OS8ASCII 21 1 “Diagnostic information”
<1> Current value <3> UI 1 1 Number of SW subsystems
All the other entries in this group consist of the following attributes that are needed to
describe a diagnostic event generated by one of the software subsystems.
The status of a diagnostic event is indicated by an ASCII string, which can have one of the
following values:
• Initializing
• Major error
• Minor error
• Not ready
• Ready
• Last wish
• Shutdown
• No status
The error code is assigned by the application when the status changes and precisely describes
the cause of the error.
Table 18: Directory entry for GIN 0x40 (xx)
COD
Data type Length Number Value / Significance
<10> Description <1> OS8ASCII 3 1 BBP (example)
<1> Current value <23>
DATASTRUCTU
RE
29 1 (Includes the following three
definitions)
<1> OS8ASCII 12 1 Status
<3> UI 1 1 Error code
<14> BINARY
TIME
7 1 Time stamp (CP56Time2a)
Section 4 1MRK 511 451-UEN B
IEC60870-5-103
20 Distributed busbar protection REB500
Communication protocol manual IEC60870-5-103
© Copyright 2019 ABB. All rights reserved
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