<?php
require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMasterUdp.php';
// Create Modbus object
// $ip = "192.168.1.1";
$ip = "192.192.15.51";
$modbus = new ModbusMasterUdp($ip);
try {
// FC 3
$moduleId = 0;
$reference = 12288;
$mw0address = 12288;
$quantity = 6;
$recData = $modbus->readMultipleRegisters($moduleId, $reference, $quantity);
print_r($recData);
}
catch (Exception $e) {
echo $modbus;
echo $e;
exit;
}
?>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=windows-1250">
<meta name="generator" content="PSPad editor, www.pspad.com">
<title>WAGO 750-841 M-memory dump</title>
</head>
<body>
<h1>Dump of M-memory from WAGO 750-84x series coupler.</h1>
<ul>
<li>PLC: 750-84x series</li>
<li>IP: <?php echo $ip?></li>
<li>Modbus module ID: <?php echo $moduleId?></li>
<li>Modbus memory reference: <?php echo $reference?></li>
<li>Modbus memory quantity: <?php echo $quantity?></li>
</ul>
<h2>M-memory dump</h2>
<table border="1px" width="400px">
<tr>
<td>Modbus address</td>
<td>MWx</td>
<td>value</td>
</tr>
<?php
for($i=0;$i<count($recData);$i+=2) {
?>
<tr>
<td><?php echo $i+$reference?></td>
<td>MW<?php echo ($i + $reference - $mw0address)/2?></td>
<td><?php echo ($recData[$i] << 8)+ $recData[$i+1]?></td>
</tr>
<?php
}
?>
</table>
<h2>Modbus class status</h2>
<?php
echo $modbus;
?>
</body>
</html>