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.
26 lines
558 B
26 lines
558 B
12 years ago
|
<?php
|
||
|
|
|
||
|
|
require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMaster.php';
|
||
|
|
|
||
|
|
// Create Modbus object
|
||
|
|
$modbus = new ModbusMaster("192.192.15.51", "UDP");
|
||
|
|
|
||
|
|
try {
|
||
|
|
// FC 2
|
||
|
|
// read 2 input bits from address 0x0 (Wago input image)
|
||
|
|
$recData = $modbus->readInputDiscretes(0, 0, 2);
|
||
|
|
}
|
||
|
|
catch (Exception $e) {
|
||
|
|
// Print error information if any
|
||
|
|
echo $modbus;
|
||
|
|
echo $e;
|
||
|
|
exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Print status information
|
||
|
|
echo "</br>Status:</br>" . $modbus;
|
||
|
|
|
||
|
|
// Print read data
|
||
|
|
echo "</br>Data:</br>";
|
||
|
|
var_dump($recData);
|
||
|
|
echo "</br>";
|