Structure Of The Function Group - Siemens 6MD85 Manual

Function-Group Types
5.5 Function-Group Type Circuit Breaker, 3-Pole
The circuit breaker [status only] is used only for acquiring the circuit-breaker switch position. This type can be
used to model switches that can only be read but not controlled by the SIPROTEC 5 device.
The available functions are described in the chapters
Functions.
5.5.2

Structure of the Function Group

Besides the user functions, the Circuit-breaker function group contains certain functionalities that are essen-
tial for general purposes and therefore cannot be loaded or deleted:
•
Trip logic
•
Mapping the physical circuit breaker
•
Circuit-breaker position recognition for protection functions
•
Detection of manual closure
•
General settings
The following figure shows the structure of the Circuit-breaker function group. The individual function blocks
in the image are described in the following chapters.
[dwfgstru-080812-01.tif, 1, en_US]
Figure 5-17
The Circuit-breaker function group has interfaces with:
•
Measuring points
•
Protection function groups
Interfaces with Measuring Points
The function group contains the measured values needed from the measuring points associated with this
function group.
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Structure of the Circuit-Breaker Function Group
7 Protection and Automation Functions
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
and 6 Control