UG-194 datasheet(11/20 Pages) AD

11 / 20 page

Evaluation Board User Guide

UG-194

Rev. A | Page 11 of 20

WAVEFORM SAMPLING

The Waveform Sampling window is available from the MENU

box. The Waveform Sampling window is shown in Figure 14.

To use the Waveform Sampling window, SPI must be selected

as the communication interface (see Figure 7).

Figure 14. Waveform Sampling Window

This window allows raw waveform data to be captured and

displayed on a graph. To save the data to a file, click the Store

data to file? toggle switch and enter a destination file name in

the adjacent box.

ADE7953 INTERRUPTS

The ADE7953 Interrupts window is available from the MENU

box. The ADE7953 Interrupts window is shown in Figure 15.

Figure 15. ADE7953 Interrupts Window

This window allows access to the status and enable registers

associated with the Current Channel A, Current Channel B,

and voltage channel interrupts.

The switch buttons in the ADE7953 Interrupts window allow

the individual interrupt enable bits to be selected. After the

appropriate interrupt enable bits are selected, they can be

written to the part by clicking Write IRQ Enable Register.

The lights represent the corresponding interrupt status registers.

These registers can be read and reset by clicking Read IRQ Status

or Read IRQ Status with Reset.

POWER QUALITY

The Power Quality window is available from the MENU box.

The Power Quality window is shown in Figure 16.

Figure 16. Power Quality Window

The following features can be configured using the Power

Quality window:

•

Peak detection

•

Sag detection

•

No-load detection

•

Zero-crossing detection

•

Power factor measurement

•

Angle measurement

•

Reverse power

The tabs in the Power Quality window are used to select

the appropriate feature. Each feature can be configured and

then written to the part by clicking WRITE. The ADE7953

Interrupts window shown in Figure 15 can be accessed from

the Power Quality window by clicking IRQ’s.

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