Modbus TCP and UDP library for PHP., originally from code.google.com/p/phpmodbus
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.
php-modbus/examples/example_fc5.php

24 lines
621 B

<?php
require_once dirname(__FILE__) . '/../../Phpmodbus/ModbusMasterUdp.php';
// Create Modbus object
$modbus = new ModbusMasterUdp("192.192.15.51");
// Data to be writen - TRUE, FALSE
$data_true = array(TRUE);
$data_false = array(FALSE);
try {
// Write single coil - FC5
$modbus->writeSingleCoil(0, 12288, $data_true);
$modbus->writeSingleCoil(0, 12289, $data_false);
$modbus->writeSingleCoil(0, 12290, $data_true);
$modbus->writeSingleCoil(0, 12291, $data_false);
}
catch (Exception $e) {
// Print error information if any
echo $modbus;
echo $e;
exit;
}