10 Glossary
AWG American wire gauge
CT Current transformer
EIA-485 Serial communication standard according to Electronics Industries Asso-
ciation
EMC Electromagnetic compatibility
HMI Human-machine interface
HW Hardware
IEC International Electrotechnical Commission
IRIG-B Inter-Range Instrumentation Group's time code format B
LC Connector type for glass fiber cable, IEC 61754-20
LCP Liquid crystal polymer
LHMI Local human-machine interface
PC 1. Personal computer
2. Polycarbonate
RJ-45 Galvanic connector type
RoHS Restriction of hazardous substances
RS-485 Serial link according to EIA standard RS485
RTD Resistance temperature detector
SHMI Switchgear HMI
SI Sensor input
SW Software
USB Universal serial bus
VT Voltage transformer
WHMI Web human-machine interface
Glossary 1MRS759115 E
104 REX640
Installation Manual
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General
