ABB RED615 Technical Manual page 892

Section 17
Glossary
886
phases with a separate line or terminal, only one
conductor is represented.
SLD Single-line diagram
SMT Signal Matrix tool in PCM600
SNTP Simple Network Time Protocol
SOTF Switch on to fault
ST Connector type for glass fibre cable
SW Software
TCP/IP Transmission Control Protocol/Internet Protocol
TCS Trip-circuit supervision
Tx Transmit/Transmitted
UTC Coordinated universal time
VT Voltage transformer
WAN Wide area network
WHMI Web human-machine interface
1YHT530004D05 D
615 series
Technical Manual