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ML0042 October 15, 2019 Copyright 2019 Bitronics, LLC
4.0 OPERATION
4.1 Display
The M660 meters can display several per-phase and total quantities for the circuit
being monitored. In order to make all quantities available, the display scrolls from
quantity to quantity approximately every 5 seconds. The quantities are refreshed once
a second. The Alphanumeric display at the bottom of the instrument indicates to the
user what quantity is being displayed. The Alphanumeric display also provides the
user with primary engineering units (Watts, kWatts, MWatts, etc.). The Middle Display
of the M663 retains all the functionality of the M660 Display including Scrolling, Home
Screen designation, Custom screens, Setup mode, etc. The M663 adds a Left
Display, a Right Display, a Left Button and a Right Button to the front panel. All three
displays can display several per-phase and total quantities for the circuit being
monitored. Any pre-defined or custom screen that is displayed on the Middle Display
can be copied to the Left or Right Display by pressing the corresponding Left or Right
button on the front panel. The last selection made is retained through power down
events. In addition to the front panel buttons, the screen selection for the Left and
Right Display may be made on the Settings/Screen Enable webpage. The screens
that appear on the left and right displays do not need to be enabled on the middle
display. Listed on the following pages are standard screens available in the M66X
(note that demand and harmonic summary screens are only available in model M3).
Configurable screen enable settings allow the user to enable or disable each of the
display screens, in order to view only a selected subset of all the measurements the
meter is capable of displaying. Refer to the section in this manual on Setup Mode for
instructions on programming Screen Enable Settings (Setup menu -
1.6
Scrn Ena).
The following screens are enabled by default:
Amps A,B,C
Volts AN,BN,CN
Volts AB,BC,CA
Total Watts / Total Vars
VAs Total / Power Factor
Frequency
Demand Amps A,B,C
The Default HOME screen is:
Amps A,B,C.
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