You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
25 lines
597 B
25 lines
597 B
<?php
|
|
|
|
use PHPModbus\ModbusMaster;
|
|
|
|
require_once __DIR__ . '/request_input_data.php'; // 'ip', 'unitid','reference','quantity' are read from $_GET
|
|
|
|
$modbus = new ModbusMaster($ip, 'UDP');
|
|
|
|
try {
|
|
// FC 2
|
|
// read 2 input bits from address 0x0 (Wago input image)
|
|
$recData = $modbus->readInputDiscretes($unitId, $reference, $quantity);
|
|
} catch (Exception $e) {
|
|
// Print error information if any
|
|
echo $modbus;
|
|
echo $e;
|
|
exit;
|
|
}
|
|
|
|
echo '<h1>Status</h1><pre>';
|
|
print_r($modbus);
|
|
echo '</pre>';
|
|
echo '<h1>Data</h1><pre>';
|
|
print_r($recData);
|
|
echo '</pre>'; |