ABB RELION Series, Техническое руководство

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Section 17 Glossary
100BASE-FX A physical medium defined in the IEEE 802.3 Ethernet
standard for local area networks (LANs) that uses fiber
optic cabling
100BASE-TX A physical medium defined in the IEEE 802.3 Ethernet
standard for local area networks (LANs) that uses
twisted-pair cabling category 5 or higher with RJ-45
connectors
AC Alternating current
ACT 1. Application Configuration tool in PCM600
2. Trip status in IEC 61850
CAT 5 A twisted pair cable type designed for high signal
integrity
CAT 5e An enhanced version of CAT 5 that adds specifications
for far end crosstalk
CBB Cycle building block
COMTRADE Common format for transient data exchange for power
systems. Defined by the IEEE Standard.
CPU Central processing unit
CT Current transformer
CTS Clear to send
DAN Doubly attached node
DC 1. Direct current
2. Disconnector
3. Double command
DCD Data carrier detect
DFT Discrete Fourier transform
DHCP Dynamic Host Configuration Protocol
DNP3 A distributed network protocol originally developed by
Westronic. The DNP3 Users Group has the ownership
of the protocol and assumes responsibility for its
evolution.
DPC Double-point control
DSR Data set ready
DT Definite time
1MRS758755 A
Section 17
Glossary
REC615 and RER615 793
Technical Manual