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28 lines
690 B
28 lines
690 B
<?php
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require __DIR__ . '/../vendor/autoload.php';
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use PHPModbus\ModbusMaster;
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$ip = filter_var($_GET['ip'], FILTER_VALIDATE_IP) ? $_GET['ip'] : '192.192.15.51';
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$unitId = ((int)$_GET['unitid']) ?: 0;
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$reference = ((int)$_GET['reference']) ?: 12288;
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$quantity = ((int)$_GET['quantity']) ?: 6;
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$modbus = new ModbusMaster($ip, 'UDP');
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try {
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// FC 3
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$recData = $modbus->readMultipleRegisters($unitId, $reference, $quantity);
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} catch (Exception $e) {
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// Print error information if any
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echo $modbus;
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echo $e;
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exit;
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}
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echo '<h1>Status</h1><pre>';
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print_r($modbus);
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echo '</pre>';
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echo '<h1>Data</h1><pre>';
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print_r($recData);
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echo '</pre>'; |