E-Mon E-PS-A-RTU-N - Manual (Page 43)

Chapter 3 Display
O P E R A T I O N S M E N U O P E R A T I O N S
PowerSmart+ Advanced Power Quality Meter 43
Label Parameter Options Default Description
Ct CT primary current 1-20,000 A 5 A The primary rating of the phase
current transformer
d.P Power block demand
period 1, 2, 3, 5,
10, 15, 20,
30, 60 min,
E=external
sync 30 min The length of the demand
period for power demand
calculations. If the external
synchronization is selected, a
pulse front on the digital input
DI1 denotes the start of the
demand interval.
nd.P The number of blocks in
the sliding window 1-15 1 The number of blocks to be
averaged for sliding window
demands
Ad.P Ampere, volt and THD
demand period 0-1800 sec 900 sec The length of the demand
period for ampere, volt and
THD demand calculations
Freq Nominal frequency 50,60 Hz 60 Hz The nominal line frequency
LoAd Maximum demand load
current 0-20,000 A 0 The maximum demand load
current (0 = CT primary)
Always specify the wiring mode and transformer ratings prior to setting up setpoints and analog
outputs.
The maximum value for the product of the phase CT primary current and PT ratio is
57,500,000. If the product is greater, power readings are zeroed.
Device Options Device Options Device Options Device Options
This menu allows you to change the user-configurable device options or put the
meter into energy test mode. To enter the menu, select the “OPtS” entry from the
Main menu, and then press the ENTER button.
To select a setup option:
Press the SELECT button to activate the middle window.
Use the UP and DOWN arrow buttons to scroll to the desired option.
To change the option:
Press the SELECT button to activate the lower window.
Use the UP and DOWN arrow buttons to select the desired option.
Press ENTER to confirm your changes and to store your new setting, or press ESC to
discard changes.
To exit the menu, press ESC.
The following table lists available options.
OPtS
rEAc
P.cAL