Section 3 Substation Configuration description
Language (SCL)
SEMOD129808-4 v8
Four dif
ferent types of SCL files - SCD, CID, IID, and ICD, can be exported from
PCM 600.
The SCL language is based on
XML. However, detailed knowledge of the XML
contents is not needed.
The SCL XML file (ICD/SCD/CID/IID) contains five sections, which are specified
in IEC 61850–6 clause 9.
• Header
• Substation section describes the functional structure and its relation to primary
devices.
• Communication section describes the connection between the IED access
points to the respective subnetwork. and includes also the properties
(addresses) of the access points.
• IED section contains a description of the supported communication services,
the access point(s) and the IEDs logical devices, logical nodes and their
attributes.
• Data type template section contains a declaration of all types used in the SCL
file, logical nodes type, DO types, attributes and enums.
The system structure is defined by the organization of the plant structure in
PCM600. The signal engineering and the signal routing are IET600 tasks, signal
engineering regarding DS, rcb,gcb, GOOSE subscribers can be done also in
PCM600. The IED needs to be configured with PCM600 before the system is
configured with IET600.
The SCL engineering must be done in an SCL engineering tool. The data sets and
the control blocks are logically defined as part of the logical nodes (see IEC
61850–7–2 clause 9). The IED also needs a correctly configured communication
section for GOOSE engineering, which can be done in IET600 or PCM600.
The data type templates section provides the correct content description of each
logical node type to all tools and users (clients) of the information. Each IED and
vendor may have their own logical node type definitions included in the data type
template section together with all other logical node types based on the standard.
1MRK 511 393-UEN A Section 3
Substation Configuration description Language (SCL)
670 series 2.2 IEC 23
Communication protocol manual
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