ABB Relion 620 Series, Installation Manual

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Section 8
Glossary
620 series 35
Installation Manual
Section 8 Glossary
615/620 seriesSeries of numerical IEDs for low-end protection and supervision
applications of utility substations, and industrial switchgear and
equipment
ANSI American National Standards Institute
CT Current transformer
DNP3 A distributed network protocol originally developed by Westronic.
The DNP3 Users Group has the ownership of the protocol and
assumes responsibility for its evolution.
EMC Electromagnetic compatibility
HMI Human-machine interface
IEC 61850 International standard for substation communication and modelling
IED Intelligent electronic device
LCD Liquid crystal display
LCP Liquid crystal polymer
LED Light-emitting diode
LHMI Local human-machine interface
PA Polyamide
PBT Polybutylene terephthalate
PC Personal computer; Polycarbonate
PCM600 Protection and Control IED Manager
RoHS Restriction of the use of certain hazardous substances in electrical
and electronic equipment
VT Voltage transformer