ABB Relion SMU615, Applications Manual

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5 Glossary
AI Analog input
BCU Breaker control unit
BI/O Binary input/output
BO Binary output
CB Circuit breaker
DAN Doubly attached node
DC
1. Direct current
2. Disconnector
3. Double command
DPC Double-point control
EMC Electromagnetic compatibility
Ethernet A standard for connecting a family of frame-based computer networking
technologies into a LAN
FIFO First in, first out
FTP File transfer protocol
FTPS FTP Secure
GOOSE Generic Object-Oriented Substation Event
HSR High-availability seamless redundancy
HTTPS Hypertext Transfer Protocol Secure
I/O Input/output
IEC International Electrotechnical Commission
IEC 61850 International standard for substation communication and modeling
IEC 61850-8-1 A communication protocol based on the IEC 61850 standard series
IEC 61850-9-2 A communication protocol based on the IEC 61850 standard series
IEC 61850-9-2 LE Lite Edition of IEC 61850-9-2 offering process bus interface
IED
Intelligent electronic device
IEEE 1686 Standard for Substation Intelligent Electronic Devices' (IEDs') Cyber Se-
curity Capabilities
IP address A set of four numbers between 0 and 255, separated by periods. Each
server connected to the Internet is assigned a unique IP address that
specifies the location for the TCP/IP protocol.
LAN Local area network
LE Light Edition
LED Light-emitting diode
LHMI Local human-machine interface
MCB Miniature circuit breaker
Table continues on the next page
Glossary 1MRS758580 C
74 SMU615
Application Manual