Definitions And Abbreviations - Metcom Solutions MCS301 Product Manual

MCS301 - 3ph meter
1.2

Definitions and Abbreviations

Abbreviation Eexplanation
THD Total Harmonic Distortion
HES Head-End-System for remote meter reading
HHU Hand Held Unit for local meter reading
FW Firmware of the meter
SW Software
HW Hardware of the meter
PQ Power Quality
CT External current transformer
VT External voltage transformer
Sag Under voltage
Swell Over voltage
LLS Low level security, (Password)
HLS High level security, (Key exchange)
DST Day light saving
TOU Time of use, tariffication
IDIS Interoperable Device Interface Specification
MCS301 meter - product Manual 1.25
Page 10 of 142
MetCom Solutions GmbH