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Figure 3-31 Influence Option When Linking a DPC Type Data Object
The setting options work for the device receiving the data.
Quality Attribute: Validity
The validity values
reserved
and
questionable
are replaced at the receiving end by the
invalid
value.
•
Check box is not set.
•
Check box is set and receipt of Validity =
good
The validity attribute and data value are forwarded
without change.
Check box is set and receipt of Validity =
invalid
is
set (also applies to values
reserved
and
ques-
tionable
).
•
The validity attribute is set to
good
and
processed further using this value.
•
The data value is set to the defined substitute
value and processed further using this substitute
value.
Quality Attribute: OperatorBlocked (opBlk)
•
Check box is not set.
•
Check box is set and received OperatorBlocked
=
FALSE
The OperatorBlocked attribute and data value are
forwarded without change.
Check box is set and received OperatorBlocked =
TRUE
•
The OperatorBlocked attribute is set to
FALSE
and processed further using this value.
•
The data value is set to the defined substitute
value and processed further using this substitute
value.
Interaction of the Quality Attribute Validity and OperatorBlocked
OperatorBlocked check box is set and receipt of Oper-
atorBlocked =
TRUE
Regardless of whether the validity check box is set or
not, and regardless of the current validity, the validity
attribute is set to
good
and the substitute value of
the OperatorBlocked data object is set. That is, the
OperatorBlocked settings overwrite the Validity
settings.
System Functions
3.3 Processing Quality Attributes
82 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
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