PHP code example of mightypork / phpmodbus

1. Go to this page and download the library: Download mightypork/phpmodbus library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

mightypork / phpmodbus example snippets


use PHPModbus/ModbusMaster; 
use PHPModbus/PhpType; 

// Modbus master UDP
$modbus = new ModbusMaster("192.168.1.1", "UDP"); 
// Read multiple registers
try {
    $recData = $modbus->readMultipleRegisters(0, 12288, 5); 
} catch (Exception $e) {
    // Print error information if any
    echo $modbus;
    echo $e;
    exit;
}
// Print data in string format
echo PhpType::bytes2string($recData);