Section 4 Glossary
AFL Application function block library
ASDU Application-layer service data unit
CB Circuit breaker
DPI Double point information
DR Disturbance recorder
EMC Electromagnetic compatibility
FUN Default function type
GI General interrogation
HMI Human-machine interface
I/O Input/output
IEC International Electrotechnical Commission
IEC 60870-5-103 Communication standard for protective equipment; A
serial master/slave protocol for point-to-point
communication
IEC 61850 International standard for substation communication and
modelling
IED Intelligent electronic device
INF Default information number
LED Light-emitting diode
LHMI Local human-machine interface
PCM600 Protection and Control IED Manager
TCS Trip-circuit supervision
1MRS756882 B Section 4
Glossary
REM615 27
Point List Manual