Siemens SIPROTEC 7SS523 V3.2 Manual page 237

Distributed busbar/ breaker failure protection
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from the PC
with DIGSI
To block the TRIP command via the central unit (PC linked to central unit) proceed
as follows:
Click Control in the navigation window.
Double-click Tagging in the function selection. The Tagging window opens (see
Figure 6-16, page 221).
To block the TRIP command, click the command button ON in the corresponding
row. To reset the blocking of the TRIP command, click the command button OFF.
Next a security prompt takes place.
While the Tagging window is opened, there will be no further security prompts when
you change the tagging status.
Click Yes to apply the command. The blocking of the TRIP command can be pro-
tected by the password for switching/selecting/updating. If you have activated this
password, you will be prompted to enter it before the command is executed since a
connection was first established. A dialog box opens for this purpose.
Enter the correct password in the box named Password and then click OK. If the
password is wrong, you will receive an error message. When the password is cor-
rect, the command will be executed.
Figure 6-16 Tagging window in DIGSI
Note
You can also block the TRIP command via the operator panel of the central unit. If you
want to know more on this topic, please read the System Description /1/.
Controlling Device Functions
7SS52 V4 Manual
C53000-G1176-C182-1
221

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