ATM90E32 Arduino Library

This library powers the CircuitSetup Split Single Phase Energy Meter and the 6 Channel Expandable Energy Meter.

Use

Setup

#include <ATM90E32.h>
ATM90E32 energy_meter{};

void setup() {
   energy_meter.begin(CS_pin, lineFreq, PGAGain, VoltageGain, CurrentGainCT1, CurrentGainCT2, CurrentGainCT3);
}

Getting Basic Power Data

A loop to get basic power data:

void loop() {
    voltage1 = energy_meter.GetLineVoltageA();
    voltage2 = energy_meter.GetLineVoltageB();
    voltage3 = energy_meter.GetLineVoltageC();

    CT1 = energy_meter.GetLineCurrentA();
    CT2 = energy_meter.GetLineCurrentB();
    CT3 = energy_meter.GetLineCurrentC();
    
    watts1 = energy_meter.GetActivePowerA();
    watts2 = energy_meter.GetActivePowerB();
    watts3 = energy_meter.GetActivePowerC();
    totalWatts = energy_meter.GetTotalActivePower();
}

Getting Metering Values

The following are other functions for other metering data that the ATM90E32 calculates.

• GetReactivePowerA()
• GetReactivePowerB()
• GetReactivePowerC()
• GetTotalReactivePower()
• GetApparentPowerA()
• GetApparentPowerB()
• GetApparentPowerC()
• GetTotalApparentPower()
• GetPowerFactorA()
• GetPowerFactorB()
• GetPowerFactorC()
• GetTotalPowerFactor()
• GetPhaseA() //phase angle
• GetPhaseB()
• GetPhaseC()
• GetTotalActiveFundPower()
• GetTotalActiveHarPower()
• GetFrequency() //voltage frequency
• GetTemperature() //chip temperature

Getting Energy Over Time

The following functions get data from the ATM90E32 that is converted to kWh. The registers are cleared once they are read.

• GetImportEnergy() //forward active energy
• GetImportReactiveEnergy()
• GetImportApparentEnergy()
• GetExportEnergy() //reverse active energy
• GetExportReactiveEnergy()

System Status

These functions get the raw hex values from the system status registers

• GetSysStatus0()
• GetSysStatus1()
• GetMeterStatus0()
• GetMeterStatus1()

Getting Any Other Register Value

This function takes the name of any register (defined in ATM90E32.h) and outputs the value

• GetValueRegister(registerRead)