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30 lines
783 B
30 lines
783 B
<?php
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use PHPModbus\ModbusMasterUdp;
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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 ModbusMasterUdp($ip);
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// Data to be writen
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$data = array(10, -1000, 2000, 3.0);
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$dataTypes = array("WORD", "INT", "DINT", "REAL");
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try {
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// FC23
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$recData = $modbus->readWriteRegisters($unitId, $reference, $quantity, $reference, $data, $dataTypes);
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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>'; |