10
Introduction to the technical reference manual Chapter 1
Introduction
INAMPL Present magnitude of residual current
INSTMAGN Magnitude of instantaneous value
INSTNAME Instance name in signal matrix tool
IOM Binary Input/Output module
IPOSIM Imaginary part of positive sequence current
IPOSRE Real component of positve sequence current
IP 20 Enclosure protects against solid foreign objects 12.5mm in diameter and
larger but no protection against ingression of liquid according to
IEC60529. Equivalent to NEMA type 1.
IP 40 Enclosure protects against solid foreign objects 1.0mm in diameter or
larger but no protection against ingression of liquid according to
IEC60529.
IP 54 Degrees of protection provided by enclosures (IP code) according to
IEC 60529. Dust protected. Protected against splashing water. Equiva-
lent to NEMA type 12.
Ip>block Block of the function at high phase current in percentage of base
IRVBLK Block of current reversal function
IRV Activation of current reversal logic
ITU International Telecommunications Union
k2 Time multiplier in IDMT mode
kForIEEE Time multiplier for IEEE inverse type curve
LAN Local area network
LIB 520
LCD Liquid chrystal display
LDCM Line differential communication module
LDD Local detection device
LED Light emitting diode
LNT LON network tool
LON Local operating network
MAGN Magnitude of deadband value
MCB Miniature circuit breaker
MCM Mezzanine carrier module
MIM Milliampere Input Module
MIP
MPPS
MPM Main processing module
MV Medium voltage
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