IEC 61850 Substation automation communication standard
IEC 61850–8–1 Communication protocol standard
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
LDAPS Lightweight Directory Access Protocol
LDCM Line data communication module
LDD Local detection device
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
Section 9 1MRK 500 131-UEN Rev. C
Glossary
62 Switchgear control unit SAM600-IO
Operation manual
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