ABB RELION REX640 Operation Manual page 136

Section 8
Glossary
130
FTPS FTP Secure
GDE Graphical Display Editor in PCM600
GND Ground/earth
GOOSE Generic Object-Oriented Substation Event
HF High frequency
HMI Human-machine interface
HSR High-availability seamless redundancy
HTTPS Hypertext Transfer Protocol Secure
HW Hardware
IEC International Electrotechnical Commission
IEC 61850 International standard for substation communication
and modeling
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
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
LCP Liquid crystal polymer
LCT Life cycle traceability
LED Light-emitting diode
LF Low frequency
LHMI Local human-machine interface
MMS 1. Manufacturing message specification
2. Metering management system
Modbus A serial communication protocol developed by the
Modicon company in 1979. Originally used for
communication in PLCs and RTU devices.
Modbus ASCII Link mode using 7-bit ASCII characters
1MRS759118 A
REX640
Operation Manual