1MRS750527-MUM
REF 54_
9
Feeder Terminal
Technical Reference Manual, General
1.7. Abbreviations
Term Description
AI Analog Input
CB Circuit Breaker
CBFP Circuit Breaker Failure Protection
CPU Central Processing Unit
CT Current Transformer
DI Digital Input
DNP Distributed Network Protocol
DO Digital Output
EMC Electro-Magnetic Compatibility
GND Ground
GOOSE Generic Object Oriented Substation Event
HMI Human-Machine Interface
HSPO High-Speed Power Output
I/O Input/Output
IRF Internal Relay Fault
LCD Liquid Crystal Display
LED Light-Emitting Diode
LON Locally Operating Network
L/R Local/Remote
LV Low Voltage
MV Medium Voltage
NO/NC Normally Open/ Normally Closed
PCB Printed Circuit Board
PLC Programmable Logic Controller
PMT Protocol Mapping Tool
PO Power Output
PS Power Supply
RTD Resistance Temperature Device
SNVT Standard Network Variable Type
SO Signal Output
SMS Substation Monitoring System
TCR Thermal Coefficient of Resistance
TCS Trip Circuit Supervision
VT Voltage Transformer
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