EVAL-ADE7816EBZ【PDF 16/48 页】BOARD EVALUATION FOR ADE7816

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ADE7816

QUICK START

This section outlines the procedure for powering up and initializing

the ADE7816 . Figure 23 shows a flow diagram of the initialization

steps. For detailed information, refer to the section of the data

sheet that pertains to each step, as indicated in Figure 23.

WTHR1 = 0x000002

WTHR0 = 0x000000

VARTHR1 = 0x000002

VARTHR0 = 0x000000

PCF_A_COEFF = 0x400CA4 (50Hz)

PCF_B_COEFF = 0x400CA4 (50Hz)

PCF_C_COEFF = 0x400CA4 (50Hz)

Data Sheet

After power is supplied to the ADE7816 and communication

is established, a set of registers must be written (see Figure 23).

Table 8 lists details about each register.

The registers listed in Table 8 are essential for correct operation.

After these registers are set, enable any meter-specific features

before enabling the DSP to begin the energy calculations.

POWER UP THE

ADE7816

(SEE POWER AND

GROUND SECTION)

SET AND LOCK

COMMUNICATION MODE

(SEE COMMUNICATION

SECTION)

WRITE REQUIRED

REGISTER

DEFAULTS

PCF_D_COEFF = 0x400CA4 (50Hz)

PCF_E_COEFF = 0x400CA4 (50Hz)

PCF_F_COEFF = 0x400CA4 (50Hz)

DICOEFF = 0xFFF8000

CONFIGURE METER

SPECIFIC INTERRUPTS,

POWER QUALITY

FEATURES, AND

CALIBRATE

(SEE THE INTERRUPTS,

POWER QUALITY

FEATURES, AND ENERGY

CALIBRATION SECTIONS)

NOTE THAT THE FINAL

REGISTER SHOULD BE

WRITTEN 3 TIMES TO

CLEAR THE BUFFER

Table 8. Required Register Defaults

ENABLE THE ENERGY

METERING DSP

(SEE STARTING AND

STOPPING THE DSP

SECTION)

INITIALIZATION

COMPLETE

Figure 23. Quick Start

(SEE STARTING AND

STOPPING THE DSP

SECTION)

Register

Register

Address

0x43AB

0x43AC

0x43AD

0x43AE

0x43B1

0x43B2

0x43B3

0x43B4

0x43B5

0x43B6

0x4388

Name

WTHR1

WTHR0

VARTHR1

VARTHR0

PCF_A_COEFF

PCF_B_COEFF

PCF_C_COEFF

PCF_D_COEFF

PCF_E_COEFF

PCF_F_COEFF

DICOEFF

Register Description

Threshold register for active energy

Threshold register for active energy

Threshold register for reactive energy

Threshold register for reactive energy

Phase calibration for Current Channel A

Phase calibration for Current Channel B

Phase calibration for Current Channel C

Phase calibration for Current Channel D

Phase calibration for Current Channel E

Phase calibration for Current Channel F

Digital integrator algorithm; required only

Required Value

0x000002

0x000000

0x000002

0x000000

0x400CA4 (50 Hz)

0x400CA4 (50 Hz)

0x400CA4 (50 Hz)

0x400CA4 (50 Hz)

0x400CA4 (50 Hz)

0x400CA4 (50 Hz)

0xFFF8000

Reference Information

Refer to the Active Energy Threshold section.

Refer to the Active Energy Threshold section.

Refer to the Reactive Energy Threshold section.

Refer to the Reactive Energy Threshold section.

Refer to the Energy Phase Calibration section.

Refer to the Energy Phase Calibration section.

Refer to the Energy Phase Calibration section.

Refer to the Energy Phase Calibration section.

Refer to the Energy Phase Calibration section.

Refer to the Energy Phase Calibration section.

Refer to the Digital Integrator section.

if using di/dt sensors

Rev. A | Page 16 of 48

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