Section 4 Glossary - ABB Relion 620 Series Manual

1MRS757660 A
Section 4
RET620
Point List Manual
Glossary
AFL Application function block library
CROB Control relay output block
CTO Common time of occurrence. The time and date CTO object is
an information object that represents the absolute time of day.
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 International Electrotechnical Commission
IEC 61850 International standard for substation communication and
modeling
IED Intelligent electronic device
IET600 Integrated Engineering Toolbox in PCM600
LHMI Local human-machine interface
PCM600 Protection and Control IED Manager
SBO Select-before-operate
WHMI Web human-machine interface
Section 4
Glossary
77