Siemens SIPROTEC 4 7SJ61 Manual page 225

[objekteigenschaft-verriegelungsbeding-020313-kn, 1, en_US]
Figure 2-87
On devices with operator panel, the display shows the configured interlocking reasons. They are marked with
letters explained in the following table.
Table 2-18
Interlocking Commands
Switching Authority
System interlocking
Zone controlled
SET = ACTUAL (switch direction check)
Protection blocking
The following figure shows all interlocking conditions (which usually appear in the display of the device) for
three switchgear items with the relevant abbreviations explained in the previous table. All parameterized
interlocking conditions are indicated.
[verriegelungsbed-020315-wlk, 1, en_US]
Figure 2-88
SIPROTEC 4, 7SJ61, Manual
C53000-G1140-C210-6, Edition 05.2016
DIGSI dialog box for setting the interlocking conditions
Command types and corresponding messages
Example of configured interlocking conditions
Abbrev.
L
S
Z
P
B
Functions
2.18 Breaker Control
Display
L
A
Z
P
B
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