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IEC 61850-8-1
A communication protocol based on the IEC 61850
standard series
IED
Intelligent electronic device
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.
LAN
Local area network
LC
Connector type for glass fibre cable
LCD
Liquid crystal display
LCP
Liquid crystal polymer
LCT
Life cycle traceability
LED
Light-emitting diode
LHMI
Local human-machine interface
Modbus
A serial communication protocol developed by the
Modicon company in 1979. Originally used for
communication in PLCs and RTU devices.
Modbus ASCII
Modbus link mode. Character length 10 bits.
Modbus RTU
Modbus link mode. Character length 11 bits.
Modbus TCP/IP
Modbus RTU protocol which uses TCP/IP and
Ethernet to carry data between devices
NCC
Network control center
OPC
Object linking and embedding for process control
PA
Polyamide
PBT
Polybutylene terephthalate
PC
Personal computer; Polycarbonate
PCM600
Protection and Control IED Manager
R/L
Remote/Local
RAM
Random access memory
RJ-45
Galvanic connector type
RoHS
Restriction of the use of certain hazardous substances
in electrical and electronic equipment
ROM
Read-only memory
RS-232
Serial interface standard
RS-485
Serial link according to EIA standard RS485
RTC
Real-time clock
Section 9
1MRS756708 C
Glossary
122
615 series
Operation Manual