•
This trigger forces the transmission of all process values defined in the data set
when a timer value (the integrity period) expires.
•
general interrogation
•
This trigger is forced by the clients (= station level IED; NCC gateway, station
HMI, ...). Normally a GI is asked for, when the client and the server start or
restart a session. When the client is able to receive the actual values and when
the logical device has scanned all process values at least once, an image of the
actual process signal status can be transmitted to the client.
Note that the possible trigger options for each attribute are
included and defined in the datatype template section in SCL.
Link BRCB to a client LN
The BRCB has to know to whom the events shall be transmitted. This is the signal routing
engineering step. The IEC standard 61850–6 describes that this is given by including the
LN of the client IED in the ReportBlockEnabled option.
The selected client IED with the corresponding LN, for example, ITCI is included in the
SCL structure of the Report Control description of the IED section.
The description of the BRCB with selected DataSet, configured parameters and selected
IEDs is included in the SCL file in the IED section in the LN0 structure for the LD where
this LN0 belongs to.
Section 6
1MRK 511 281-UUS A
Data sets and control blocks
42
650 series ANSI
Communication protocol manual
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