Section 9
Glossary
AWG
American wire gauge
CT
Current transformer
EMC
Electromagnetic compatibility
Ethernet A standard for connecting a family of frame-based computer
networking technologies into a LAN
HMI
Human-machine interface
HW
Hardware
IEC
International Electrotechnical Commission
LCD
Liquid crystal display
LED
Light-emitting diode
LHMI
Local human-machine interface
RoHS
Restriction of hazardous substances
RS-485 Serial link according to EIA standard RS485
SI
Sensor input
STP
Shielded twisted-pair
SW
Software
USB
Universal serial bus
VT
Voltage transformer
2NGA000821 A
Section 9
Glossary
REX610
55
Installation Manual