EEPROM
Electrically erasable programmable read-only memory
EIA-232
Serial communication standard according to Electronics Industries Asso-
ciation
EIA-485
Serial communication standard according to Electronics Industries Asso-
ciation
EMC
Electromagnetic compatibility
Ethernet
A standard for connecting a family of frame-based computer networking
technologies into a LAN
FIFO
First in, first out
FLC
Full load current
FPGA
Field-programmable gate array
FTP
File transfer protocol
FTPS
FTP Secure
GFC
General fault criteria
GOOSE
Generic Object-Oriented Substation Event
GPS
Global Positioning System
HMI
Human-machine interface
HSO
High-speed output
HSR
High-availability seamless redundancy
HTTPS
Hypertext Transfer Protocol Secure
HV
High voltage
IDMT
Inverse definite minimum time
IEC
International Electrotechnical Commission
IEC 60870-5-103 1. Communication standard for protective equipment
2. A serial master/slave protocol for point-to-point communication
IEC 61850
International standard for substation communication and modeling
IEC 61850-8-1
A communication protocol based on the IEC 61850 standard series
IEC 61850-9-2
A communication protocol based on the IEC 61850 standard series
IEC 61850-9-2 LE Lite Edition of IEC 61850-9-2 offering process bus interface
IED
Intelligent electronic device
IEEE 1686
Standard for Substation Intelligent Electronic Devices' (IEDs') Cyber Se-
curity Capabilities
IP
Internet protocol
IP address
A set of four numbers between 0 and 255, separated by periods. Each
server connected to the Internet is assigned a unique IP address that
specifies the location for the TCP/IP protocol.
IRF
1. Internal fault
2. Internal relay fault
IRIG-B
Inter-Range Instrumentation Group's time code format B
LAN
Local area network
LC
Connector type for glass fiber cable, IEC 61754-20
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1MRS757644 H
Glossary
620 series
Technical Manual
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