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8
Introduction to the installation and
commissioning manual
IP 40
IP 54
Ip>block
IRVBLK
IRV
ITU
k2
kForIEEE
LAN
LIB 520
LCD
LDCM
LDD
LED
LNT
LON
MAGN
MCB
MCM
MIM
MIP
MPPS
MPM
MV
MVB
MVsubEna
NegSeqROA
NSANGLE
NUMSTEP
NX
OCO cycle
PCI
Enclosure protects against solid foreign objects 1.0mm in diameter or
larger but no protection against ingression of liquid according to
IEC60529.
Degrees of protection provided by enclosures (IP code) according to
IEC 60529. Dust protected. Protected against splashing water. Equiva-
lent to NEMA type 12.
Block of the function at high phase current in percentage of base
Block of current reversal function
Activation of current reversal logic
International Telecommunications Union
Time multiplier in IDMT mode
Time multiplier for IEEE inverse type curve
Local area network
Liquid chrystal display
Line differential communication module
Local detection device
Light emitting diode
LON network tool
Local operating network
Magnitude of deadband value
Miniature circuit breaker
Mezzanine carrier module
Milliampere Input Module
Main processing module
Medium voltage
Multifunction vehicle bus. Standardized serial bus originally developed
for use in trains
Enable substitution
Operate angle for internal/external negative sequence fault discrimina-
tor.
Angle between local and remote negative sequence currents
Number of steps that shall be activated
Open-Close-Open cycle
Peripheral Component Interconnect
Chapter 1
Introduction
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