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5
Operation
5.1
Operation with Auxiliary Power Supply
5.2
Control Elements
5.2.1
Display Keys
© Landis+Gyr AG
This chapter describes the appearance, layout and function of all operating
elements and displays of the ZxD400xT meters as well as operating se-
quences.
Illustrations
The illustrations of the face plate and display in this section always show
the ZxD400CT combimeter (with additional optical test output for reactive
energy, together with direction of reactive power and quadrant display).
Meters equipped with an auxiliary power supply which is supplied with
electricity (see section 3.4 "Connection Diagrams (Examples)") are com-
pletely functional even in case of a power cut. Despite missing voltage at
the terminals they can be read out via display, remote readout etc. and
parameterised, if desired.
Connect the auxiliary power supply as follows:
Fig. 5.1
Auxiliary power supply connections
Type 045x: 1 and 2: 100–240 V AC/DC
Type 046x: 1: + (12–24 V DC)
Type 046x: 2: – (12–24 V DC)
E650 meters have the two display keys "down" and "up" and a reset key as
conventional operating elements. The display can also be controlled with
the aid of a light source via the optical interface.
The two display keys "down" and "up" are placed on the main face plate
(top) on the right of the liquid crystal display.
D000030110 d – E650 Series 3 (ZMD400AT/CT, ZFD400AT/CT) – User Manual
Operation
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