Section 4 Glossary
615 series Series of numerical IEDs for low-end protection and
supervision applications of utility substations, and industrial
switchgear and equipment
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
1MRS756880 C Section 4
Glossary
REM615 45
Point List Manual
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