Section 9
Glossary
ANSI American National Standards Institute
CT
Current transformer
EMC
Electromagnetic compatibility
HW
Hardware
IED
Intelligent electronic device
LCD
Liquid crystal display
LCP
Liquid crystal polymer
LED
Light-emitting diode
LHMI Local human-machine interface
PA
Polyamide
PBT
Polybutylene terephthalate
PC
1. Personal computer
2. Polycarbonate
RoHS Restriction of the use of certain hazardous substances in electrical and
electronic equipment
SW
Software
VT
Voltage transformer
WHMI Web human-machine interface
1MAC457436-IB B
Section 9
Glossary
620 series ANSI
65
Installation Manual