1MRS755225
Transformer Terminal
Technical Reference Manual, General
RET 54_
107
9.
Abbreviations
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
HMI
Human Machine Interface
HSPO
High-Speed Power Output
IDMT
Inverse Definite Minimum Time
I/O
Input/Output
IEC_103
IEC 60870-5-103, communication protocol standardized by
International Electrotechnical Commission
IRF
Internal Relay Fault
LCD
Liquid-Crystal Display
LED
Light-Emitting Diode
LON
Local Operating Network
LonMark
An independent world-wide industry association, which facilitates the
development and implementation of open, interoperable LonWorks
based control products and systems.
L/R
Local/Remote
LV
Low Voltage
MIMIC
A graphic configuration picture on the LCD of a relay
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
SPA
Data communication protocol developed by ABB
SPACOM
An ABB product family
TCR
Thermal Coefficient of Resistance
TCS
Trip Circuit Supervision
TLT
Transformer Linearization Tool
VT
Voltage Transformer
Содержание RET 54 Series
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