ABB Relion 630 Series Engineering Manual page 37

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1MRS756800 F
630 series
Engineering Manual
A technical key is used on engineering drawings and for signal identifications.
This is contained in the attribute name as identification of each object. If this
value is used as reference to an object, it is contained in an attribute name starting
with a string denoting the reference target object type, and ending with the string
Name. The technical key is used within SCL for referencing other objects.
Observe that name is a relative identification within a hierarchy of objects.
A user oriented textual designation is contained in attribute desc. Attributes are
not allowed to contain carriage return, line feed or tab characters. The semantics
of desc shall also be relative within an object hierarchy.
PCM600 takes care of these two possibilities. The two possible signal designations are
available per object in the object properties for all hierarchical levels beginning with
the station as the highest level.
The technical key is automatically generated based on the rules and type
specifications of IEC 61346 and the extended definitions done for substations by a
technical committee. The technical key is shown in Object Properties underSCL
Technical Key or Technical Key.
The station is predefined by "AA1" where 1 is the index. To get the real station
name that is used it is possible to rename the 'SCL Technical Key' for the station
to the name used by the project. To minimize the word length take a short form,
because this will be used also in the messages transmitted to identify the events
etc. In the example = DMSTAT.
The voltage level. In the example = 400 kV and C1 selected from the drop down
list below the SCL Technical Key.
The bay and the IED are appended with the coding defined in the IEC 61346
standard and the substation definition lists. Bay = F409 and Q1. IED = TR_421
and SB1.
The user oriented textual designation is visible in the plant structure for each object.
It is the name given by default or changed via the Rename possibility.
Section 4
Setting up a project
31
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