1MRS750915-MUM
REM 54_
103
Machine Terminal
Technical Reference Manual, General
9. Abbreviations
AI Analog input
CB Circuit breaker
CBFP Circuit breaker failure protection
CPU Central processing unit
CT Current transformer
DI Digital input
DO Digital output
EMC Electromagnetic compatibility
GND Ground
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
MIMIC A graphic configuration picture on the LCD of a relay
MV Nedium voltage
NO/NC Normally open/ normally closed
PCB Printed circuit board
PLC Programmable logic controller
PO Power output
POD Protocol object dictionary
PS Power supply
RTD Resistance temperature device
SMS Substation monitoring system
SNVT Standard network variable type
SO Signal output
SPA Data communication protocol, developed by ABB
SPACOM ABB product family
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