Section 6 1MAC308145-MB E
Glossary
82 RER620
Application Manual
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
Modbus A serial communication protocol developed by the Modicon
company in 1979. Originally used for communication in PLCs and
RTU devices.
MV Medium voltage
PCM600 Protection and Control Relay Manager
PO Power output
PT Potential transformer
RJ-45 Galvanic connector type
RS-232 Serial interface standard
RS-485 Serial link according to EIA standard RS485
SIM Sensor input module
SMT Signal monitoring tool
SO Signal output
TCP/IP Transmission Control Protocol/Internet Protocol
TCS Trip-circuit supervision
UPD Universal power driver
WAN Wide area network
WHMI Web human-machine interface
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