HSR High-availability seamless redundancy
ICD IED capability description
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
IET600 Integrated Engineering Toolbox
IID Instantiated IED description
LD0 Logical device zero (0)
LE Light Edition
LED Light-emitting diode
LHMI Local human-machine interface
LLN0 Logical node zero (0)
LN Logical node
MAC Media access control
MicroSCADA Substation automation system
MMS 1. Manufacturing message specification
2. Metering management system
Modbus A serial communication protocol developed by the
Modicon company in 1979. Originally used for
communication in PLCs and RTU devices.
Multicast address An identifier for a group of hosts that have joined a
multicast group
NTP Network time protocol
P2P peer-to-peer
PCM600 Protection and Control IED Manager
PRP Parallel redundancy protocol
PTP Precision Time Protocol
RCB Report control block
SCADA Supervision, control and data acquisition
Section 9 1MRS757809 C
Glossary
112 REC615 and RER615
Engineering Guide
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