EM 6400 User Manual v03.02. – d12
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2.1.Physical Description
FRONT: The front panel has 3 rows of 4 digits / characters each, with auto scaling “K” kilo,
“M” Mega and “--” minus indications. The “kilo” and “Mega” indications lit together show
Giga readings. The Load bar graph to the right of the display gives the indication of
consumption in terms of the % A Load with respect to the FS selected. Five smart-keys make
navigating the parameters very quick and intuitive for viewing data and configuring (Setup)
the EM 6400.
REAR: The voltage and current terminals and the communication port are located on the
back of the meter. CAUTION: These contain hazardous voltages during operation and
must be operated only by qualified and authorized technicians.
2.2.Front Panel
The front panel contains the following indicators and controls:
• Three rows of alphanumeric displays, 4 digits each that display three RMS parameters
simultaneously, or one energy parameter. The displayed readings update every second.
• For each row: Kilo, Mega (Kilo + Mega = Giga) indicator and a Negative (-) indicator.
• Load bar, which gives a unique analog indication of % loading (% FS CT Pri).
• Five keys to scroll through the display page.
The EM 6400 solves the problem of tiny cluttered indicators by prominently displaying the
parameter name right on the large, alphanumeric readouts. For the first time in a panel meter,
the parameter name is as clearly readable as the value. The name will be displayed for 2
seconds as well as each time you press a key and then the Value for 8 seconds. This method
also allows programmable phase soft-Labels in the EM 6400 DigitAN meters. You can
choose from 123 (Factory setting), ABC, RYB, PQR or RST.
Figure 2.2: The EM 6400 front panel with display and keypad
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