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Glossary
ACD
IEC 61850 data type: Directional protection activation information
ACK
Data transfer acknowledgment
ACT
IEC 61850 data type: Protection activation information
Back-up battery
The back-up battery ensures that specified data areas, flags, times and counters are kept retentive.
Bay Controller
Bay controllers are devices with control and supervision functions and optional protection functions.
BCR
IEC 61850 data type: Binary counter reading - dual meter registration
Bit Pattern Indication
A bit pattern indication is a processing function, with the help of which adjacent numerical process informa-
tion can be logged coherently and processed further in parallel via multiple inputs. The bit pattern length can
be chosen from 1 to 6 bytes.
BRCB
See Buffered Report Control Block.
Buffered Report Control Block
Buffered Report Control Block (BRCB) is a form of report controlling. Internal events trigger the immediate
sending of reports or saving of events for the transfer. Data values cannot therefore be lost on account of
transport flow control conditions or connection interruptions. BRCB provides the functionality SOE (See
Sequence of Events).
Chatter Blocking
A rapidly intermittent input (for example, owing to a relay contact fault) is disconnected after a parameteriz-
able monitoring time and therefore cannot generate any more signal changes. The function prevents the
system from overloading in the event of an error.
CID
See Configured IED Description
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
1239
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