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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