Siemens Siprotec 7UM611 Manual page 227

Figure 2-83
For devices with operator panel the display shows the configured interlocking reasons.
They are marked by letters explained in the following table.
Table 2-14
The following figure shows all interlocking conditions (which usually appear in the
display of the device) for three switchgear items with the relevant abbreviations ex-
plained in the previous table. All parameterized interlocking conditions are indicated.
Figure 2-84
7UM61 Manual
C53000-G1176-C127-3
®
DIGSI –dialog box for setting the interlocking conditions
Command types and corresponding messages
Interlocking Commands
Switching authority
System interlocking
Zone controlled
SET= ACTUAL (switch direction check)
Protection blockage
Example of configured interlocking conditions
2.36 Command Processing
Abbrev. Message
L
S
Z
P
B
L
S
Z
P
B
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