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Receive data from your Viessmann boiler

https://www.viessmann-community.com/t5/Getting-started-programming-with/Some-code-to-receive-info-from-the-Viessmann-boiler-v0-2/td-p/192538

HTML & PHP code

        <html> 
 <title>Viessmann</title>
 <body>

 
<?php

//Get all boiler features
//$getURL='https://api.viessmann.com/iot/v1/equipment/installations/'.$installationId.'/gateways/'.$gatewaySerial.'/devices/'.$deviceId.'/features';

//Get all boiler features required by the present project
$getURL='https://api.viessmann.com/iot/v1/equipment/installations/'.$installationId.'/gateways/'.$gatewaySerial.'/devices/'.$deviceId.'/features?regex='
		.'heating.burners.0'.'%7C'
		.'heating.burners.0.statistics'.'%7C'
		.'heating.boiler.sensors.temperature.commonSupply'.'%7C'
		.'heating.dhw.temperature.main'.'%7C'
		.'heating.dhw.sensors.temperature.hotWaterStorage'.'%7C'
		.'heating.circuits.0.operating.programs.normal'.'%7C'
		.'heating.circuits.0.sensors.temperature.room';

$headerRequest = array(
		"Content-Type: application/x-www-form-urlencoded",
		"Authorization: Bearer $autorizationTOKEN"
);

  
$cURLConnection = curl_init();
curl_setopt($cURLConnection, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; MSIE 7.01; Windows NT 5.0)");
curl_setopt($cURLConnection, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($cURLConnection, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($cURLConnection, CURLOPT_FOLLOWLOCATION, 0);
curl_setopt($cURLConnection, CURLOPT_RETURNTRANSFER,true);
curl_setopt($cURLConnection, CURLOPT_HTTPHEADER, $headerRequest); 
curl_setopt($cURLConnection, CURLOPT_CONNECTTIMEOUT, 130);
curl_setopt($cURLConnection, CURLOPT_TIMEOUT, 130);
curl_setopt($cURLConnection, CURLOPT_URL,$getURL);

$apiResponse = curl_exec($cURLConnection);
$apiErr = curl_error($cURLConnection);

curl_close($cURLConnection);

$jsonResponse = json_decode($apiResponse, true);

 
usort($jsonResponse['data'], function($a,$b){
	return $a["feature"]>$b["feature"];
});

//echo "<br><br><br>";
//print_r($jsonResponse);
//print_r($apiErr);
//echo "<br><br><br>";

$BurnerStatus = $jsonResponse['data']['1']['properties']['active']['value']; // heating.burners.0
echo "BurnerStatus: ".$BurnerStatus."<br>"; 
if ($BurnerStatus == "1") {
		$BurnerStatus = "<span style='vertical-align:middle; '>On</span><img src='viessmann_burner_on.png' alt='burner_on' width='20%' style='vertical-align:middle; '>";
	} else {
		$BurnerStatus = "<span style='vertical-align:middle; '>Off</span><img src='viessmann_burner_off.png' alt='burner_off' width='20%' style='vertical-align:middle; '>";
	}

$BurnerHours = $jsonResponse['data']['2']['properties']['hours']['value']; //heating.burners.0.statistics
echo "BurnerHours: ".$BurnerHours."<br>";
$MaxEnergyConsumption = $BurnerHours*160/1000;
echo "MaxEnergyConsumption (160W/h): ".$EnergyConsumption." kWh<br>";


$BurnerStarts = $jsonResponse['data']['2']['properties']['starts']['value']; //heating.burners.0.statistics
echo "BurnerStarts: ".$BurnerStarts."<br>";


$MeasureUnit = $jsonResponse['data']['0']['properties']['value']['unit']; //heating.boiler.sensors.temperature.commonSupply
if ($MeasureUnit == "celsius") {
		$MU = " &deg;C ";
	} else {
		$MU = " &deg;F ";
	}


$TemperatureCommon = $jsonResponse['data']['0']['properties']['value']['value']; //heating.boiler.sensors.temperature.commonSupply
echo "TemperatureCommon: ".$TemperatureCommon." ".$MU."<br>";

$HotWaterSet = $jsonResponse['data']['6']['properties']['value']['value']; //heating.dhw.temperature.main
$HotWater = $jsonResponse['data']['5']['properties']['value']['value']; //heating.dhw.sensors.temperature.hotWaterStorage
echo "HotWater: ".$HotWaterSet." / ".$HotWater." ".$MU."<br>";

$RadiatorsSet = $jsonResponse['data']['3']['properties']['temperature']['value']; //heating.circuits.0.operating.programs.normal
$TemperatureRoom = $jsonResponse['data']['4']['properties']['value']['value']; //heating.circuits.0.sensors.temperature.room
echo "Radiators: ".$RadiatorsSet ." / ".$TemperatureRoom." ".$MU."<br>";


?>

<div style="position:relative; ">
			<img src="viessmann_map.png" alt="map" style="display:block; margin-left:auto; margin-right:auto; "> 
	<div style="position:absolute; top: 12%; left:52%; font-size:150%; ">
		<?php echo "Boiler<br>".
			"TemperatureCommon: ".number_format($TemperatureCommon,0).$MU."<br>".
			"BurnerHours: ".$BurnerHours."<br>".
			"BurnerStarts: ".$BurnerStarts."<br>".
			"MaxEnergyConsumption (160W/h): ".$MaxEnergyConsumption." kWh";?>
	</div>
	<div style="position:absolute; top: 53%; left:27%; font-size:150%; text-align:right; ">
		<?php echo "Water heating<br>".
			"Set: ".number_format($HotWaterSet,0).$MU."<br>".
			"Current: ".number_format($HotWater,0).$MU."<br>";?>
	</div>
	<div style="position:absolute; top: 53%; left:50%; font-size:150%; ">
		<?php echo "Radiators<br>".
			"Set: ".number_format($RadiatorsSet,0).$MU."<br>".
			"TemperatureRoom: ".number_format($TemperatureRoom,0).$MU."<br>";?>
	</div>
	<div style="position:absolute; top: 37%; left:41%; font-size:120%; ">
		<?php echo $BurnerStatus; ?>
	</div>	
</div>

</body>
 </html>

APIs used

IoT

Device status

Check the status of your installation and see whether your device is working properly.

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IoT

Events

Get information about events from the event history for your installation or your gateway, including errors.

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IoT

Statistics

Track the consumption, e.g. gas or power consumption and get additional information on your burner or compressor like starts or running hours.

Try Now

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