modbus
EpSolar Interface
Install Apache2
Create the following files in /var/www/html/epsolar
solar.php
<?php
header("refresh: 30");
require_once 'PhpEpsolarTracer.php';
$tracer = new PhpEpsolarTracer('/dev/ttyUSB0');
$tracerstatus_bgcolor = "#dedede";
// $ecolor = "black";
// $battSoc = 0;
// Get Info and check if is connected
if ($tracer->getInfoData()) {
$connection="Connected";
$connection_bgcolor = "lime";
}
else
{
$connection="Disconnected";
$connection_bgcolor = "red";
}
// Get Real Time Data
if ($tracer->getRealTimeData()) {
$tracerstatus_bgcolor = "lime";
$equipStatus = $tracer->realtimeData[16];
$chargStatus = 0b11 & ($equipStatus >> 2);
switch ($chargStatus) {
case 0: $eStatus = "Not charging"; break;
case 1: $eStatus = "Float (13.8V)"; break;
case 2: $eStatus = "Boost (14.4V)"; break;
case 3: $eStatus = "Equalization (14.6V)"; break;
};
if ($equipStatus >> 4) {
$eStatus = "<font color=\"red\">FAULT</font>";
$tracerstatus_bgcolor = "red";
}
$battStatus = $tracer->realtimeData[15];
$battLevel = 0b1111 & $battStatus;
switch ($battLevel) {
case 0: $bStatus = "Normal"; break;
case 1: $bStatus = "<font color=\"red\">Overvolt</font>"; break;
case 2: $bStatus = "<font color=\"yellow\">Undervolt</font>"; break;
case 3: $bStatus = "<font color=\"red\">Low volt disconnect</font>"; break;
case 4: {
$bStatus = "<font color=\"red\">FAULT</font>";
$tracerstatus_bgcolor = "red";
break;
}
}
$battSoc = $tracer->realtimeData[12];
}
?>
<?php echo date('Y-m-d H:i:s'); ?>
<?php
<!DOCTYPE html>
<html lang="it">
<head>
<meta charset="utf-8">
<meta name="description" content="">
<meta name="keywords" content="">
<title>EpSolar Tracer</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<style>
table.gridtable {
font-family: verdana,arial,sans-serif;
font-size:12px;
color:#333333;
border-width: 1px;
border-color: #666666;
border-collapse: collapse;
width: 100%;
}
table.gridtable th {
border-width: 1px;
padding: 8px;
border-style: solid;
border-color: #666666;
background-color: #dedede;
text-align: center;
}
table.gridtable th.connection {
background-color: <?php echo $connection_bgcolor ?>;
text-align:center;
}
table.gridtable th.tracerstatus {
background-color: <?php echo $tracerstatus_bgcolor ?>;
text-align:center;
}
table.gridtable td {
border-width: 1px;
border-top: 0px;
padding: 5px;
border-style: solid;
border-color: #666666;
background-color: #ffffff;
text-align:right;
height:17px;
}
table.gridtable td.bold {
font-weight: bold;
width: 33.3%;
text-align:left;
}
table.gridtable td.head {
font-weight: bold;
width: 33.3%;
text-align:right;
}
table.gridtable td.button {
width: 15%;
text-align:center;
background-color:#efefef;
color:#cecece;
cursor: default;
}
div.centered
{
text-align: center;
}
div.inner
{
max-width: 650px;
width: 95%;
text-align: center;
margin: 0 auto;
}
div.inner table
{
margin: 0 auto;
text-align: left;
}
#chargepercentp {
width: 100%;
height: 100%;
position: absolute;
vertical-align: middle;
left:-5px;
z-index: 10;
}
#chargepercentg {
top: 0;
width: <?php echo $battSoc; ?>%;
height: 100%;
position: absolute;
background-color:#dedede;
margin: 0 auto;
padding: 0;
z-index: 1;
}
#container {
position: relative;
top: 0;
left: 0;
width:100%;
height:100%;
margin: 0 auto;
padding: 0;
vertical-align: middle;
line-height: 27px;
}
</style>
</head>
<body>
<div class="centered">
<div class="inner">
<p style=" font-family: verdana,arial,sans-serif; font-size:16px; font-weight:bold;">EpSolar Tracer</p>
<table class="gridtable">
<tr>
<th class="connection" id="connection"><?php echo $connection; ?></th>
</tr>
</table>
<br>
<table class="gridtable">
<tr>
<th class="tracerstatus" id="tracerstatus" colspan=2>-= Tracer Status =-</th>
</tr>
<tr>
<td class="bold">Battery status</td><td class="status" id="batterystatus"><?php echo $bStatus; ?></td>
</tr>
<tr>
<td class="bold">Equipment status</td><td class="status" id="equipmentstatus"><?php echo $eStatus; ?></td>
</tr>
<tr>
<td class="bold">Battery SOC</td><td style="padding:0px; height:27px;"><div id="container"><div id="chargepercentg"></div><div id="chargepercentp"><?php echo $battSoc; ?>%</div></div></td>
</tr>
</table>
<br>
<table class="gridtable">
<tr>
<th colspan=2>-= Tracer Data =-</th>
</tr>
<tr>
<td class="bold">Battery Voltage</td><td class="data" id="batteryvoltage"><?php echo $tracer->realtimeData[3]; ?>V</td>
</tr>
<tr>
<td class="bold">Battery Current</td><td class="data" id="batterycurrent"><?php echo $tracer->realtimeData[4]-$tracer->realtimeData[7]; ?>A</td>
</tr>
<tr>
<td class="bold">Battery Power</td><td class="data" id="batterypower"><?php echo $tracer->realtimeData[5]-$tracer->realtimeData[8]; ?>W</td>
</tr>
<tr>
<td class="bold">Panel Voltage</td><td class="data" id="panelvoltage"><?php echo $tracer->realtimeData[0]; ?>V</td>
</tr>
<tr>
<td class="bold">Panel Current</td><td class="data" id="panelcurrent"><?php echo $tracer->realtimeData[1]; ?>A</td>
</tr>
<tr>
<td class="bold">Panel Power</td><td class="data" id="panelpower"><?php echo $tracer->realtimeData[2]; ?>W</td>
</tr>
<tr>
<td class="bold">Charger temperature</td><td class="data" id="chargertemperature"><?php echo $tracer->realtimeData[10]; ?><sup>o</sup>C</td>
</tr>
</table>
<br>
<table class="gridtable">
<tr>
<th id="tracerinfo" colspan=2>-= Tracer Info =-</th>
</tr>
<tr>
<td class="bold">Manufacturer</td><td class="info" id="manufacturer"><?php echo $tracer->infoData[0]; ?></td>
</tr>
<tr>
<td class="bold">Model</td><td class="info" id="model"><?php echo $tracer->infoData[1]; ?></td>
</tr>
<tr>
<td class="bold">Version</td><td class="info" id="version"><?php echo $tracer->infoData[2]; ?></td>
</tr>
</table>
<br>
</div>
</div>
</body>
</html>
sudo apt-get install wiringpi> sudo chmod 777 /dev/ttyUSB0
sudo adduser www-data dialout
modbus.txt · Last modified: by 127.0.0.1