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Section 4
IEC 60870-5-103
Table 20: Group for displaying status information
Entry No.
0 (Heading)
1
2
...
255
Table 21:
COT
1 Spontaneous
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".
4.5.3
Entries for single-point indications
Table 22:
COD
<10> Description
<1> Current value
Table 23:
COD
<10> Description
<1> Current value
The following table gives an example of the ASDU 10 Generic Data that is transferred
spontaneously for a single-point indication.
Table 24: TYPE IDENTIFICATION: Generic data
0
0
1
0
Read value of single entry <244>
Table continues on next page
20
Group No. 66 (0x42) to Group No. 69
(0x45)
Single-point indications
Indication #1
Indication #2
...
Indication #255
Used attributes of ASDU 10 for status information
CAA
0 / 1..60 REB500 CU / REB500 BU
Directory entry for GIN 0x4200 (header)
Data type
<1> os8ascii
<3> UI
Directory entry for GIN 0x42 (xx)
Data type
<1> os8ascii
<23> data
structure
<9> Double
Point
Information
<14> binary
time
0
0
1
0
1
0
0
0
0
0
0
1
Spontaneous <1>
REB500 CU/BU No.
GEN <254>
© 2019 - 2020 Hitachi Power Grids. All rights reserved
Group No. 70 (0x46) to Group No. 73
(0x49)
Double-point indications
Indication #1
Indication #2
...
Indication #255
Length
Number
Value / Significance
24
1
Single-point indications
1
1
Number of SPI defined in this group
Length
Number
Value / Significance
20
1
Event text defined by user
14
1
(Includes the following two
definitions)
1
1
OFF (1) / ON (2)
7
1
Time stamp (CP56Time2a)
Type Identification
Variable Structure
Qualifier
Cause Of Transmission
Common Address of
ASDU
Function type
Information number
Communication protocol manual IEC 60870-5-103
1MRK 511 451-UEN Rev. C
FUN
254 Generic
GUID-AD226E53-FF68-4ADB-BA19-CB654D580D49 v2
10
DATA UNIT IDENTIFIER
SQ=1,
SQ_No.= 1
COT
<0 .. 60>
FUN
INFORMATION
OBJECT
INF
Distributed busbar protection REB500
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