[standardveriegelungen-wlk-020802, 1, en_GB]
Figure 2-77
Standard interlockings
1) Source of Command REMOTE includes LOCAL.
(NAH Command using substation controller
FERN Command via telecontrol station to power system management and from power system manage-
ment to the device)
The display shows the configured interlocking reasons. They are marked by letters as explained in Table 2-11 .
Table 2-11
Interlocking Commands
Interlocking Commands Command (abbrevia-
tion)
Display
Control Authority SV S
System Interlocking AV A
Bay Interlocking BI F
SET = ACTUAL (switch direction check)
SΙ Ι
Protection Blockage SB B
Figure 2-78 shows all interlocking conditions (which usually appear in the display of the device) for three
switchgear items with the relevant abbreviations explained in Table . Table 2-11 explained abbreviations. All
parameterized interlocking conditions are indicated.
Functions
2.10 Command Processing
172 SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018
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