[dw_block-aufheben-1, 2, en_US]
Figure 6-48
Terminating the Blocking
User I/O Objects of the External 1-of-N Check Function Block
Name
I/O Description Range
Release request
O This output remains active
from the time of the
switching prompt until
the new position is
reached.
true/false
>Release active
I If this input is set, the
switching device is
released for switching
operation. As long as this
input is set, this switching
device is blocked for addi-
tional switching opera-
tions.
true/false
Blocking by Protection Function
•
Default setting (_:107) Check blk. by protection = yes
In devices with protection and control functions, Siemens recommends that no switching commands can be
issued while protection functions have picked up.
Control Functions
6.3 Control Functionality
352 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
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