2 Functions
260
7SD610 Manual
C53000-G1176-C145-4
Figure 2-113 Standard interlockings
1) Source of Command REMOTE includes LOCAL.
LOCAL Command using substation controller
REMOTE Command via telecontrol station to power system management and from power system management to the
device)
The display shows the configured interlocking reasons. The are marked by letters as
explained in Table 2-17.
Table 2-17 Interlocking Commands
Figure 2-114 shows all interlocking conditions (which usually appear in the display of
the device) for three switchgear items with the relevant abbreviations explained in
Table 2-17. All parameterised interlocking conditions are indicated.
Interlocking Commands Command Display
Switching Authority L L
System Interlocking S S
Bay Interlocking Z Z
SET = ACTUAL (switch direction check) P P
Protection Blockage B B
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