IEEE Institute of Electrical and Electronics Engineers
IEEE 802.12 A network technology standard that provides 100 Mbits/s on twisted-
pair or optical fiber cable
IEEE P1386.1 PCI Mezzanine Card (PMC) standard for local bus modules. References
the CMC (IEEE P1386, also known as Common Mezzanine Card)
standard for the mechanics and the PCI specifications from the PCI SIG
(Special Interest Group) for the electrical EMF (Electromotive force).
IEEE 1686 Standard for Substation Intelligent Electronic Devices (IEDs) Cyber
Security Capabilities
IED Intelligent electronic device
IET600 Integrated engineering tool
I-GIS Intelligent gas-insulated switchgear
IOM Binary input/output module
Instance When several occurrences of the same function are available in the IED,
they are referred to as instances of that function. One instance of a
function is identical to another of the same kind but has a different
number in the IED user interfaces. The word "instance" is sometimes
defined as an item of information that is representative of a type. In
the same way an instance of a function in the IED is representative of a
type of function.
IP 1. Internet protocol. The network layer for the TCP/IP protocol suite
widely used on Ethernet networks. IP is a connectionless, best-effort
packet-switching protocol. It provides packet routing, fragmentation
and reassembly through the data link layer.
2. Ingression protection, according to IEC 60529
IP 20 Ingression protection, according to IEC 60529, level 20
IP 40 Ingression protection, according to IEC 60529, level 40
IP 54 Ingression protection, according to IEC 60529, level 54
IRF Internal failure signal
IRIG-B: InterRange Instrumentation Group Time code format B, standard 200
ITU International Telecommunications Union
LAN Local area network
LIB 520 High-voltage software module
LCD Liquid crystal display
LDCM Line data communication module
LDD Local detection device
LED Light-emitting diode
LNT LON network tool
LON Local operating network
MCB Miniature circuit breaker
MCM Mezzanine carrier module
MIM Milli-ampere module
MPM Main processing module
MVAL Value of measurement
MVB Multifunction vehicle bus. Standardized serial bus originally developed
for use in trains.
Section 23 1MRK 511 358-UEN A
Glossary
470
Application manual
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