Section 4 Glossary - ABB Relion REC615 Manual

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Section 4
Remote Monitoring and Control REC615
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.
EF Earth fault
EMC Electromagnetic compatibility
HMI Human-machine interface
IEC International Electrotechnical Commission
IEC 61850 International standard for substation communication and
modeling
IED Intelligent electronic device
LHMI Local human-machine interface
OC Overcurrent
PCM600 Protection and Control IED Manager
SBO Select-before-operate
Section 4
Glossary
69