ABB 620 Series Manual page 33

1MAC459571-IB C
Section 6
620 series ANSI
Communication Protocol Manual
Glossary
620 series Series of numerical protection and control relays for high-end
protection and supervision applications of utility substations, and
industrial switchgear and equipment
AI Analog input
ANSI American National Standards Institute
BI Binary input
BOS Binary output status
CB Circuit breaker
CRC Cyclical redundancy check
CROB Control relay output block
Data set The content basis for reporting and logging containing
references to the data and data attribute values
DFC Data flow control
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
EMC Electromagnetic compatibility
EPA Enhanced performance architecture
Ethernet A standard for connecting a family of frame-based computer
networking technologies into a LAN
FCB 1. Flow control bit
2. Frame count bit
GUI Graphical user interface
IEC International Electrotechnical Commission
IEC 60870-5 IEC standard for telecontrol equipment and systems. Part 5
defines transmission protocols.
IEC 61850 International standard for substation communication and
modeling
Section 6
Glossary
27