UG-572 Datasheet, PDF (10/20 Pages) Winchester Electronics Corporation – C JACK

UG-572
EVALUATION SOFTWARE FUNCTIONS
The ADE7978/ADE7933 evaluation software allows access to
all registers and features of the ADE7978. The menu options
available are
• Hardware Reset
• Read and Write Registers
• All Register Access
• Waveform Sampling
• Read RMS Registers
• Read Fundamental RMS
• Temperature Monitor
• Total Active Power
• Total Reactive Power
• Apparent Power
• Total Harmonic Distortion
• Fundamental Active Power
• Fundamental Reactive Power
• Power Quality
• Quick Setup
• Exit (Stops LabView)
The options provide access to all internal registers and allow
the evaluation of the ADE7978/ADE7933 chipset performance/
features. To access these functions, click the desired option in
the options list (see Figure 11).
Clicking an option in the list displays a window where the
specific function can be accessed. Each window includes an
Exit button used to return to the main window.
Note that only one option from the options list can be open at a
time; click Exit to return to the main window before choosing
another option from the list.
HARDWARE RESET
The Hardware Reset button of the ADE7978/ADE7933
evaluation board resets the ADE7978/ADE7933 chipset. Then,
the Front Panel is set back to the Select Com Mode step, and all
registers go back to their default values.
EVAL-ADE7978EBZ User Guide
READ AND WRITE REGISTERS
The Read and Write Registers window is shown in Figure 14.
Every register of the ADE7978 can be accessed using the drop-
down menu at the center of the screen. The switch above this
menu is used to choose between using register names or register
addresses. With Register Name, the name of the register can be
typed into the drop-down field to find a specific register. With
Register Number, the address of the desired register to read or
write to can be input The register can be read or written to via
Read Registers or Write Registers. The bottom left has a field
for entering the data to be written to the register and a Write
Successful light.
When Read is clicked, the register identified in the Register
Name box is read and its value is visualized in the Data Read
from Register box.
When Write is clicked, the register identified in the Register
Name box is written with the value from the Data to Write to
Register box.
Exit returns the program to the main menu.
Figure 14. Read and Write Registers
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