SCL XML-based substation description configuration language
defined by IEC 61850
Single-line diagram 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.
SLD
Single-line diagram
SMT Signal Matrix tool in PCM600
SNTP Simple Network Time Protocol
STP Shielded twisted-pair
Subnet mask A set of four numbers used to create IP address numbers
that are used only within a particular network, subnet
SVG Scalable vector graphics
SW Software
TCP Transmission Control Protocol
TCP/IP Transmission Control Protocol/Internet Protocol
Tx Transmit/Transmitted
UDP User datagram protocol
UL Underwriters Laboratories
UTC Coordinated universal time
VT Voltage transformer
WAN Wide area network
WHMI Web human-machine interface
Section 9 1MAC456939-IB D
Glossary
142 620 series ANSI
Operation Manual