The technical key property in PCM600 corresponds to the IED name
attribute in SCL files. Avoid changing the IED name attribute outside
PCM600, because data in PCM600 may get lost when importing the
SCL files.
The technical key must be the same for the communication between the IED and
PCM600. The technical key can be read from the IED and updated to PCM600, or the
PCM600 technical key can be written to the IED. Alternatively, a user-defined
technical key can be defined.
When writing a configuration to the IED, PCM600 checks for a mismatch between the
IED object and the physical IED technical key.
GUID-EF8A07F6-C6D1-4AA8-BDAD-A5F29F33389A V1 EN
Figure 23: Reboot suggestion
Ensure that the IED object in PCM600 has the same IP address as the
physical IED that is intended to be connected through the technical key
concept.
Change the technical key for an IED object in the Object Properties
dialog box in PCM600.
4.8.1 IEC 61850 naming conventions to identify an IED
The IEC 61850 naming conventions to identify an IED are only valid when the IEC
61850 standard is used for station bus communication. According to the IEC 61850–6
clause 8.4, the SCL model allows two kinds of project designations in the object
properties: a technical key and a user-oriented textual designation.
Technical key is used in engineering drawings and for signal identifications. This is
contained in the attribute name as an identification of each object. If the value is used
as a 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
1MRS240044-IB A Section 4
Setting up a project
REF615R 47
Engineering Manual
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