![background image](http://html.mh-extra.com/html/abb/relion-615-series/relion-615-series_technical-manual_2395970.webp)
handling is needed. However, in case of simultaneous open and close
control, the open control is always prioritized.
A070878-ANSI V1 EN
Figure 487:
Control procedure in SBO method
Local/Remote operations
The local/remote selection affects the 52, 29DS and 29GS.
•
Local: the opening and closing via communication is disabled.
•
Remote: the opening and closing via LHMI is disabled.
•
AU_OPEN
and
AU_CLOSE
inputs function regardless of the local/remote selection.
9.1.5
Application
In the field of distribution and sub-transmission automation, reliable control and status
indication of primary switching components both locally and remotely is in a significant
role. They are needed especially in modern remotely controlled substations.
Control and status indication facilities are implemented in the same package with 52,
29DS and 29GS. When primary components are controlled in the energizing phase, for
example, the correct execution sequence of the control commands must be ensured. This
can be achieved, for example, with interlocking based on the status indication of the
Section 9
1MAC059074-MB A
Control functions
964
615 series ANSI
Technical Manual
Содержание Relion 615 series
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