ABB RELION REX640 Operation Manual page 160

Glossary
RTC
RTD
SCL
SHMI
SI
Single-line dia-
gram
SLD
SMV
SNTP
SSH
STP
SW
TCP
TCP/IP
TLS
UDP
USB
VT
WAN
WHMI
XRIO
160
Real-time clock
Resistance temperature detector
XML-based system configuration description language defined by IEC
61850
Switchgear HMI
Sensor input
Simplified notation for representing a three-phase power system. Instead
of representing each of three phases with a separate line or terminal, only
one conductor is represented.
Single-line diagram
Sampled measured values
Simple network time protocol
Secure shell
Shielded twisted-pair
Software
Transmission control protocol
Transmission control protocol/Internet protocol
Transport layer security
User datagram protocol
Universal serial bus
Voltage transformer
Wide area network
Web human-machine interface
eXtended relay interface by OMICRON
1MRS759118 D
REX640
Operation Manual