GOOSE Generic Object-Oriented Substation Event
HMI Human-machine interface
HSO High-speed output
HSR High-availability seamless redundancy
HTTPS Hypertext Transfer Protocol Secure
HW Hardware
I/O Input/output
IEC 61850 International standard for substation communication and
modeling
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
IP Internet protocol
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.
IRIG-B
Inter-Range Instrumentation Group's time code format B
LAN Local area network
LC Connector type for glass fiber cable
LCD Liquid crystal display
LED Light-emitting diode
LHMI Local human-machine interface
LLDB Live line dead bus
MAC Media access control
MCB Miniature circuit breaker
Modbus A serial communication protocol developed by the Modicon
company in 1979. Originally used for communication in
PLCs and RTU devices.
NC Normally closed
NO Normally open
PCM600 Protection and Control IED Manager
PO Power output
PRP Parallel redundancy protocol
Section 6 1MAC109016-MB C
Glossary
212 REF615 ANSI
Application Manual
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