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Modbus TCP and UDP library for PHP., originally from code.google.com/p/phpmodbus
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php-modbus/tests/ModbusMasterUdp/test.fc15fc1.php

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0.4 Release
12 years ago
<?php
require_once dirname(__FILE__) . '/../../Phpmodbus/ModbusMasterUdp.php';
require_once dirname(__FILE__) . '/../config.php';
// Create Modbus object
0.5 Release --HG-- rename : tests/ModbusMasterUdp/output/test.fc16fc3.php.html => tests/ModbusMaster/ref/test.tcp.fc16fc3.php.html rename : tests/ModbusMasterUdp/output/test.fc26.php.html => tests/ModbusMaster/ref/test.tcp.fc26.php.html rename : tests/ModbusMasterUdp/output/test.fc16fc3.php.html => tests/ModbusMaster/ref/test.udp.fc16fc3.php.html rename : tests/ModbusMasterUdp/output/test.fc26.php.html => tests/ModbusMaster/ref/test.udp.fc26.php.html rename : tests/ModbusMasterUdp/output/test.fc16fc3.php.html => tests/ModbusMasterTcp/ref/test.fc16fc3.php.html rename : tests/ModbusMasterUdp/output/test.fc26.php.html => tests/ModbusMasterTcp/ref/test.fc26.php.html
12 years ago
$modbus = new ModbusMasterUdp($test_host_ip);
0.4 Release
12 years ago
// Data to be writen - BOOL array
$data = array(1, 0, TRUE, TRUE, 0, 1, TRUE, TRUE,
1, 1, TRUE, TRUE, 0, 0, FALSE, FALSE,
0, 0, FALSE, FALSE, 1, 1, TRUE, TRUE,
1, 1, TRUE, TRUE, 1, 1, TRUE, TRUE);
// Write data - FC 15
$modbus->writeMultipleCoils(0, 12288, $data);
echo $modbus->status;
$modbus->status = "";
echo "\n\n";
// Read data - FC 1
$recData = $modbus->readCoils(0, 12288, 32);
echo $modbus->status;
echo "\n\n";
var_dump($recData);