peripheral/libupm/examples/javascript/h803x.js

/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */

/*
 * Author: Jon Trulson <jtrulson@ics.com>
 * Copyright (c) 2016 Intel Corporation.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


var sensorObj = require('jsupm_h803x');


/************** Main code **************/

var defaultDev = "/dev/ttyUSB0";

// if an argument was specified, use it as the device instead
if (process.argv.length > 2)
{
    defaultDev = process.argv[2];
}

console.log("Using device " + defaultDev);
console.log("Initializing...");

// Instantiate an H803X instance, using MODBUS slave address 1, and
// default comm parameters (9600, 8, N, 2)
var sensor = new sensorObj.H803X(defaultDev, 1);

// output the Slave ID (manufacturer, model, serno)
console.log("Slave ID:", sensor.getSlaveID());

console.log("");

// update and print available values every second
setInterval(function()
{
    // update our values from the sensor
    sensor.update();

    // H8035 / H8036
    console.log("Consumption (kWh):", sensor.getConsumption());
    console.log("Real Power (kW):", sensor.getRealPower());

    if (sensor.isH8036())
    {
        // The H8036 has much more data available...

          console.log("Reactive Power (kVAR):", sensor.getReactivePower());
          console.log("Apparent Power (kVA):", sensor.getApparentPower());
          console.log("Power Factor:", sensor.getPowerFactor());
          console.log("Volts Line to Line:", sensor.getVoltsLineToLine());
          console.log("Volts Line to Neutral:", sensor.getVoltsLineToNeutral());

          console.log("Current:", sensor.getCurrent());

          console.log("Real Power Phase A (kW):", sensor.getRealPowerPhaseA());
          console.log("Real Power Phase B (kW):", sensor.getRealPowerPhaseB());
          console.log("Real Power Phase C (kW):", sensor.getRealPowerPhaseC());

          console.log("Power Factor Phase A:", sensor.getPowerFactorPhaseA());
          console.log("Power Factor Phase B:", sensor.getPowerFactorPhaseB());
          console.log("Power Factor Phase C:", sensor.getPowerFactorPhaseC());

          console.log("Volts Phase A to B:", sensor.getVoltsPhaseAToB());
          console.log("Volts Phase B to C:", sensor.getVoltsPhaseBToC());
          console.log("Volts Phase A to C:", sensor.getVoltsPhaseAToC());
          console.log("Volts Phase A to Neutral: ",
                      sensor.getVoltsPhaseAToNeutral());
          console.log("Volts Phase B to Neutral: ",
                      sensor.getVoltsPhaseBToNeutral());
          console.log("Volts Phase C to Neutral: ",
                      sensor.getVoltsPhaseCToNeutral());

          console.log("Current Phase A:", sensor.getCurrentPhaseA());
          console.log("Current Phase B:", sensor.getCurrentPhaseB());
          console.log("Current Phase C:", sensor.getCurrentPhaseC());

          console.log("Avg Real Power (kW):", sensor.getAvgRealPower());
          console.log("Min Real Power (kW):", sensor.getMinRealPower());
          console.log("Max Real Power (kW):", sensor.getMaxRealPower());
    }

    console.log("");

}, 2000);


process.on('SIGINT', function()
{
    sensor = null;
    sensorObj.cleanUp();
    sensorObj = null;
    console.log("Exiting...");
    process.exit(0);
});