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5.3
Display
5.3.1
Introduction
5.3.2
Basic Layout
Active power direction
Reactive power direction
Quadrant display
© Landis+Gyr AG
E650 meters are provided with a liquid crystal display (LCD).
The display can be provided with background lighting for easier reading
(optional). This is switched on by pressing one of the display keys and is
extinguished automatically after a short time if no further key is pressed.
The basic layout shows all the indication possibilities of the display.
Fig. 5.4
Basic layout of the liquid crystal display (LCD)
1
Active power direction (+P: import, -P: export)
2
Reactive power direction (not used with ZMD400AT)
3
Phase voltages (flash if rotating field reversed)
4
Battery status (charge voltage)
5
Units field
6
Index field (8 digits)
7
Value field (8 digits)
8
12 arrow symbols for status information (e.g. tariffs)
Shows always the sum of the three phases:
Indicates for combimeters ZMD400CT always the sum of the three phases (not
used for active energy meters ZMD400AT).
Indicates for combimeters ZMD400CT in which quadrants the present
measurement is made (not used for active energy meters ZMD400AT):
D000030110 d – E650 Series 3 (ZMD400AT/CT, ZFD400AT/CT) – User Manual
positive active energy direction (imported from power
company)
negative active energy direction (exported to power
company)
negative active energy direction of individual phases
(second arrow flashes).
positive reactive energy direction
negative reactive energy direction
st
1
quadrant
nd
2
quadrant
rd
3
quadrant
th
4
quadrant
Operation
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