Section 4
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
1MRS757656 A
Section 4
Glossary
REM620
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Point List Manual