ABB Relion 630 Series Applications Manual page 54

Section 5
Glossary
48
LHMI Local human-machine interface
PCM600 Protection and Control IED Manager
REM630 Motor protection and control IED
RJ-45 Galvanic connector type
RMS Root-mean-square (value)
SNTP Simple Network Time Protocol
SW Software
TCP/IP Transmission Control Protocol/Internet Protocol
TCS Trip-circuit supervision
VT Voltage transformer
WAN Wide area network
WHMI Web human-machine interface
1MRS756785 A
REM630
Application Manual