ModbusMaster PHP Code Examples

Example #1

4

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File: modbus.class.php Project: sergejey/majordomo-modbus

 /**
 * Title
 *
 * Description
 *
 * @access public
 */
 function poll_device($id)
 {
     $rec = SQLSelectOne("SELECT * FROM modbusdevices WHERE ID='" . (int) $id . "'");
     if (!$rec['ID']) {
         return;
     }
     $rec['CHECK_LATEST'] = date('Y-m-d H:i:s');
     $rec['CHECK_NEXT'] = date('Y-m-d H:i:s', time() + (int) $rec['POLLPERIOD']);
     SQLUpdate('modbusdevices', $rec);
     if ($rec['LINKED_OBJECT'] && $rec['LINKED_PROPERTY'] && ($rec['REQUEST_TYPE'] == 'FC5' || $rec['REQUEST_TYPE'] == 'FC6' || $rec['REQUEST_TYPE'] == 'FC15' || $rec['REQUEST_TYPE'] == 'FC16' || $rec['REQUEST_TYPE'] == 'FC23')) {
         $rec['DATA'] = getGlobal($rec['LINKED_OBJECT'] . '.' . $rec['LINKED_PROPERTY']);
     }
     require_once dirname(__FILE__) . '/ModbusMaster.php';
     $modbus = new ModbusMaster($rec['HOST'], $rec['PROTOCOL']);
     if ($rec['PORT']) {
         $modbus->port = $rec['PORT'];
     }
     if ($rec['REQUEST_TYPE'] == 'FC1') {
         //FC1 Read coils
         try {
             $recData = $modbus->readCoils($rec['DEVICE_ID'], $rec['REQUEST_START'], $rec['REQUEST_TOTAL']);
             if (is_array($recData)) {
                 foreach ($recData as $k => $v) {
                     $recData[$k] = (int) $v;
                 }
             }
         } catch (Exception $e) {
             // Print error information if any
             $rec['LOG'] = date('Y-m-d H:i:s') . " FC1 Error: {$modbus} {$e}\n" . $rec['LOG'];
         }
     } elseif ($rec['REQUEST_TYPE'] == 'FC2') {
         //FC2 Read input discretes
         try {
             $recData = $modbus->readInputDiscretes($rec['DEVICE_ID'], $rec['REQUEST_START'], $rec['REQUEST_TOTAL']);
             if (is_array($recData)) {
                 foreach ($recData as $k => $v) {
                     $recData[$k] = (int) $v;
                 }
             }
         } catch (Exception $e) {
             // Print error information if any
             $rec['LOG'] = date('Y-m-d H:i:s') . " FC2 Error: {$modbus} {$e}\n" . $rec['LOG'];
         }
     } elseif ($rec['REQUEST_TYPE'] == 'FC3') {
         //FC3 Read holding registers
         try {
             $recData = $modbus->readMultipleRegisters($rec['DEVICE_ID'], $rec['REQUEST_START'], $rec['REQUEST_TOTAL']);
         } catch (Exception $e) {
             // Print error information if any
             $rec['LOG'] = date('Y-m-d H:i:s') . " FC3 Error: {$modbus} {$e}\n" . $rec['LOG'];
         }
     } elseif ($rec['REQUEST_TYPE'] == 'FC4') {
         //FC4 Read holding input registers
         try {
             $recData = $modbus->readMultipleInputRegisters($rec['DEVICE_ID'], $rec['REQUEST_START'], $rec['REQUEST_TOTAL']);
         } catch (Exception $e) {
             // Print error information if any
             $rec['LOG'] = date('Y-m-d H:i:s') . " FC4 Error: {$modbus} {$e}\n" . $rec['LOG'];
         }
     } elseif ($rec['REQUEST_TYPE'] == 'FC5') {
         //FC5 Write single coil
         if ((int) $rec['DATA']) {
             $data_set = array(TRUE);
         } else {
             $data_set = array(FALSE);
         }
         try {
             $modbus->writeSingleCoil($rec['DEVICE_ID'], $rec['REQUEST_START'], $data_set);
         } catch (Exception $e) {
             $rec['LOG'] = date('Y-m-d H:i:s') . " FC5 Error: {$modbus} {$e}\n" . $rec['LOG'];
         }
     } elseif ($rec['REQUEST_TYPE'] == 'FC6') {
         //FC6 Write single register
         try {
             $data_set = array((int) $rec['DATA']);
             if ($rec['RESPONSE_CONVERT'] == 'r2f') {
                 $dataTypes = array("REAL");
                 $swapregs = false;
             } elseif ($rec['RESPONSE_CONVERT'] == 'r2fs') {
                 $dataTypes = array("REAL");
                 $swapregs = true;
             } elseif ($rec['RESPONSE_CONVERT'] == 'd2i' || $rec['RESPONSE_CONVERT'] == 'dw2i') {
                 $dataTypes = array("DINT");
                 $swapregs = false;
             } elseif ($rec['RESPONSE_CONVERT'] == 'd2is' || $rec['RESPONSE_CONVERT'] == 'dw2is') {
                 $dataTypes = array("DINT");
                 $swapregs = true;
             } else {
                 $dataTypes = array("INT");
                 $swapregs = false;
             }
             $recData = $modbus->writeSingleRegister($rec['DEVICE_ID'], $rec['REQUEST_START'], $data_set, $dataTypes, $swapregs);
         } catch (Exception $e) {
             // Print error information if any
             $rec['LOG'] = date('Y-m-d H:i:s') . " FC6 Error: {$modbus} {$e}\n" . $rec['LOG'];
         }
     } elseif ($rec['REQUEST_TYPE'] == 'FC15') {
         //FC15 Write multiple coils
         $data_set = explode(',', $rec['DATA']);
         foreach ($data_set as $k => $v) {
             $data_set[$k] = (bool) $v;
         }
         try {
             $modbus->writeMultipleCoils($rec['DEVICE_ID'], $rec['REQUEST_START'], $data_set);
         } catch (Exception $e) {
             $rec['LOG'] = date('Y-m-d H:i:s') . " FC15 Error: {$modbus} {$e}\n" . $rec['LOG'];
         }
     } elseif ($rec['REQUEST_TYPE'] == 'FC16') {
         //FC16 Write multiple registers
         try {
             $data_set = explode(',', $rec['DATA']);
             $dataTypes = array();
             foreach ($data_set as $k => $v) {
                 if ($rec['RESPONSE_CONVERT'] == 'r2f') {
                     $dataTypes[] = "REAL";
                     $data_set[$k] = (double) $v;
                     $swapregs = false;
                 } elseif ($rec['RESPONSE_CONVERT'] == 'r2fs') {
                     $dataTypes[] = "REAL";
                     $data_set[$k] = (double) $v;
                     $swapregs = true;
                 } elseif ($rec['RESPONSE_CONVERT'] == 'd2i' || $rec['RESPONSE_CONVERT'] == 'dw2i') {
                     $dataTypes[] = "DINT";
                     $data_set[$k] = (int) $v;
                     $swapregs = false;
                 } elseif ($rec['RESPONSE_CONVERT'] == 'd2is' || $rec['RESPONSE_CONVERT'] == 'dw2is') {
                     $dataTypes[] = "DINT";
                     $data_set[$k] = (int) $v;
                     $swapregs = true;
                 } else {
                     $data_set[$k] = (int) $v;
                     $dataTypes[] = "INT";
                     $swapregs = false;
                 }
             }
             $recData = $modbus->writeMultipleRegister($rec['DEVICE_ID'], $rec['REQUEST_START'], $data_set, $dataTypes, $swapregs);
         } catch (Exception $e) {
             // Print error information if any
             $rec['LOG'] = date('Y-m-d H:i:s') . " FC16 Error: {$modbus} {$e}\n" . $rec['LOG'];
         }
     } elseif ($rec['REQUEST_TYPE'] == 'FC23') {
         //FC23 Read/Write multiple registers
         //TO-DO
     }
     //echo $rec['LOG'];exit;
     if ($rec['REQUEST_TYPE'] == 'FC1' || $rec['REQUEST_TYPE'] == 'FC2' || $rec['REQUEST_TYPE'] == 'FC3' || $rec['REQUEST_TYPE'] == 'FC4' && is_array($recData)) {
         // PROCESS RESPONSE
         if ($rec['RESPONSE_CONVERT'] == 'r2f') {
             //REAL to Float
             $values = array_chunk($recData, 4);
             $recData = array();
             foreach ($values as $bytes) {
                 echo $recData[] = PhpType::bytes2float($bytes, false);
             }
         } elseif ($rec['RESPONSE_CONVERT'] == 'r2fs') {
             //REAL to Float (swap regs)
             $values = array_chunk($recData, 4);
             $recData = array();
             foreach ($values as $bytes) {
                 echo $recData[] = PhpType::bytes2float($bytes, true);
             }
         } elseif ($rec['RESPONSE_CONVERT'] == 'd2i') {
             //DINT to integer
             $values = array_chunk($recData, 4);
             $recData = array();
             foreach ($values as $bytes) {
                 echo $recData[] = PhpType::bytes2signedInt($bytes, false);
             }
         } elseif ($rec['RESPONSE_CONVERT'] == 'd2is') {
             //DINT to integer (swap regs)
             $values = array_chunk($recData, 4);
             $recData = array();
             foreach ($values as $bytes) {
                 echo $recData[] = PhpType::bytes2signedInt($bytes, true);
             }
         } elseif ($rec['RESPONSE_CONVERT'] == 'dw2i') {
             //DWORD to integer
             $values = array_chunk($recData, 4);
             $recData = array();
             foreach ($values as $bytes) {
                 $recData[] = PhpType::bytes2unsignedInt($bytes, false);
             }
         } elseif ($rec['RESPONSE_CONVERT'] == 'dw2is') {
             //DWORD to integer (swap regs)
             $values = array_chunk($recData, 4);
             $recData = array();
             foreach ($values as $bytes) {
                 $recData[] = PhpType::bytes2unsignedInt($bytes, true);
             }
         } elseif ($rec['RESPONSE_CONVERT'] == 'i2i') {
             //INT to integer
             $values = array_chunk($recData, 2);
             $recData = array();
             foreach ($values as $bytes) {
                 $recData[] = PhpType::bytes2signedInt($bytes, false);
             }
         } elseif ($rec['RESPONSE_CONVERT'] == 'w2i') {
             //WORD to integer
             $values = array_chunk($recData, 2);
             $recData = array();
             foreach ($values as $bytes) {
                 $recData[] = PhpType::bytes2unsignedInt($bytes, false);
             }
         } elseif ($rec['RESPONSE_CONVERT'] == 's') {
             //String
             $recData = array(PhpType::bytes2string($recData));
         } else {
             //
         }
         $result = implode(',', $recData);
         if ($result && $result != $rec['DATA']) {
             $rec['LOG'] = date('Y-m-d H:i:s') . " " . $result . "\n" . $rec['LOG'];
         }
         $rec['DATA'] = $result;
         SQLUpdate('modbusdevices', $rec);
         if ($rec['LINKED_OBJECT'] && $rec['LINKED_PROPERTY']) {
             setGlobal($rec['LINKED_OBJECT'] . '.' . $rec['LINKED_PROPERTY'], $rec['DATA'], array($this->name => '0'));
         }
     } else {
         SQLUpdate('modbusdevices', $rec);
     }
 }

Example #2

0

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File: lib.modbus.php Project: aprsworld/pmodbusq

function getModbusRegisters($modbusHostname, $slaveAddress, $startRegister, $nRegisters)
{
    /*
    printf("# getModbusRegisters(modbusHostname=%s, slaveAddress=%s, startRegister=%s, nRegisters=%s\n",
    	$modbusHostname,
    	$slaveAddress,
    	$startRegister,
    	$nRegisters
    );
    */
    $modbus = new ModbusMaster($modbusHostname, "TCP");
    /* read registers */
    try {
        $result = $modbus->readMultipleRegisters($slaveAddress, $startRegister, $nRegisters);
    } catch (Exception $e) {
        printf("Exception: %s\n", $e);
        return array();
    }
    /* split into 1 word (2 byte) chunks */
    $result = array_chunk($result, 2);
    /* word results */
    $r = array();
    for ($i = 0; $i < sizeof($result); $i++) {
        $r[$i + $startRegister] = PhpType::bytes2unsignedInt($result[$i]);
    }
    return $r;
}

Example #3

0

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File: ModbusMasterTcp.php Project: mightypork/phpmodbus

 /**
  * ModbusMasterTcp
  *
  * This is the constructor that defines {@link $host} IP address of the object.
  *
  * @param String $host An IP address of a Modbus TCP device. E.g. "192.168.1.1".
  */
 public function __construct($host)
 {
     parent::__construct($host, "TCP");
 }

Example #4

0

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File: test.tcp.fc26.php Project: bitclaw/phpmodbus-2

<?php

require_once dirname(__FILE__) . '/../../Phpmodbus/ModbusMaster.php';
require_once dirname(__FILE__) . '/../config.php';
// Create Modbus object
$modbus = new ModbusMaster($test_host_ip, "TCP");
// Data to be writen
$data = array(1000, 2000, 1.25, 1.25);
$dataTypes = array("REAL", "REAL", "REAL", "REAL");
// FC23
$recData = $modbus->readWriteRegisters(0, 12288, 6, 12288, $data, $dataTypes);
if (!$recData) {
    // Print error information if any
    echo "</br>Error:</br>" . $modbus->errstr . "</br>";
    //
    exit;
}
// Print status information
echo "writeMultipleRegister (FC26): DONE";

Example #5

0

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File: example_750841_Mmemory.php Project: bitclaw/phpmodbus-2

<?php

require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMaster.php';
// Create Modbus object
$ip = "192.192.15.51";
$modbus = new ModbusMaster($ip, "UDP");
try {
    // FC 3
    $moduleId = 0;
    $reference = 12288;
    $mw0address = 12288;
    $quantity = 6;
    $recData = $modbus->readMultipleRegisters($moduleId, $reference, $quantity);
} catch (Exception $e) {
    echo $modbus;
    echo $e;
    exit;
}
?>
<html>
    <head>
        <meta http-equiv="content-type" content="text/html; charset=windows-1250">
        <meta name="generator" content="PSPad editor, www.pspad.com">
        <title>WAGO 750-841 M-memory dump</title>
    </head>
    <body>
        <h1>Dump of M-memory from WAGO 750-84x series coupler.</h1>
        <ul>
            <li>PLC: 750-84x series</li>
            <li>IP: <?php 
echo $ip;

Example #6

0

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File: example_fc3.php Project: bitclaw/phpmodbus-2

<?php

require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMaster.php';
// Create Modbus object
$modbus = new ModbusMaster("192.192.15.51", "UDP");
try {
    // FC 3
    $recData = $modbus->readMultipleRegisters(0, 12288, 6);
} catch (Exception $e) {
    // Print error information if any
    echo $modbus;
    echo $e;
    exit;
}
// Print status information
echo "</br>Status:</br>" . $modbus;
// Print read data
echo "</br>Data:</br>";
print_r($recData);
echo "</br>";

Example #7

0

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File: test.udp.fc16fc3.php Project: bitclaw/phpmodbus-2

<?php

require_once dirname(__FILE__) . '/../../Phpmodbus/ModbusMaster.php';
require_once dirname(__FILE__) . '/../config.php';
// Create Modbus object
$modbus = new ModbusMaster($test_host_ip, "UDP");
// Data to be writen - BYTE
$data = array(0, 1, 1, pow(2, 8) - 1, pow(2, 8) - 1);
$dataTypes = array("BYTE", "BYTE", "BYTE", "BYTE", "BYTE");
// Write data - FC 16
$modbus->writeMultipleRegister(0, 12288, $data, $dataTypes);
// Read data - FC3
$recData = $modbus->readMultipleRegisters(0, 12288, 5);
print_r($recData);
// Data to be writen - INT
$data = array(0, 1, -1, pow(2, 15) - 1, -pow(2, 15));
$dataTypes = array("INT", "INT", "INT", "INT", "INT");
// Write data - FC 16
$modbus->writeMultipleRegister(0, 12288, $data, $dataTypes);
// Read data - FC3
$recData = $modbus->readMultipleRegisters(0, 12288, 5);
print_r($recData);
// Data to be writen - DINT
$data = array(0, 1, -1, pow(2, 31) - 1, -pow(2, 31));
$dataTypes = array("DINT", "DINT", "DINT", "DINT", "DINT");
// Write data - FC 16
$modbus->writeMultipleRegister(0, 12288, $data, $dataTypes);
// Read data - FC3
$recData = $modbus->readMultipleRegisters(0, 12288, 10);
print_r($recData);
// Data to be writen - REAL

Example #8

0

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File: example_fc15.php Project: bitclaw/phpmodbus-2

<?php

require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMaster.php';
// Create Modbus object
$modbus = new ModbusMaster("192.192.15.51", "UDP");
// Data to be writen
$data = array(TRUE, FALSE, TRUE, TRUE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE);
try {
    // FC15
    $modbus->writeMultipleCoils(0, 12288, $data);
} catch (Exception $e) {
    // Print error information if any
    echo $modbus;
    echo $e;
    exit;
}
// Print status information
echo $modbus;

Example #9

0

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File: example_fc2.php Project: haxom/phpmodbus

<?php

require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMaster.php';
// Create Modbus object
$modbus = new ModbusMaster("192.192.15.51", "UDP");
try {
    // FC 2
    $recData = $modbus->readInputDiscretes(0, 12288, 12);
} 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>";

Example #10

0

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File: example_fc2.php Project: bitclaw/phpmodbus-2

<?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>";

Example #11

0

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File: example_fc6.php Project: bitclaw/phpmodbus-2

<?php

require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMaster.php';
// Create Modbus object
$modbus = new ModbusMaster("192.192.15.51", "UDP");
// Data to be writen
$data = array(-1000);
$dataTypes = array("INT");
try {
    // FC6
    $modbus->writeSingleRegister(0, 12288, $data, $dataTypes);
} catch (Exception $e) {
    // Print error information if any
    echo $modbus;
    echo $e;
    exit;
}
// Print status information
echo $modbus;

Example #12

0

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File: example_fc1.php Project: bitclaw/phpmodbus-2

<?php

require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMaster.php';
// Create Modbus object
$modbus = new ModbusMaster("192.192.15.51", "UDP");
try {
    // FC 1
    $recData = $modbus->readCoils(0, 12288, 12);
} 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>";

Example #13

0

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File: example_fc16.php Project: bitclaw/phpmodbus-2

<?php

require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMaster.php';
// Create Modbus object
$modbus = new ModbusMaster("192.192.15.51", "UDP");
// Data to be writen
$data = array(10, -1000, 2000, 3.0);
$dataTypes = array("WORD", "INT", "DINT", "REAL");
try {
    // FC16
    $modbus->writeMultipleRegister(0, 12288, $data, $dataTypes);
} catch (Exception $e) {
    // Print error information if any
    echo $modbus;
    echo $e;
    exit;
}
// Print status information
echo $modbus;

Example #14

0

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File: example_fc22.php Project: bitclaw/phpmodbus-2

<?php

require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMaster.php';
// Create Modbus object
$modbus = new ModbusMaster("192.192.15.51", "UDP");
// Data to be writen
$bitValue = true;
$bitNumber = 2;
$andMask = 0xffff ^ pow(2, $bitNumber);
$orMask = 0x0 ^ pow(2, $bitNumber) * $bitValue;
try {
    // FC22
    $modbus->maskWriteRegister(0, 12288, $andMask, $orMask);
} catch (Exception $e) {
    // Print error information if any
    echo $modbus;
    echo $e;
    exit;
}
// Print status information
echo $modbus;

PHP ModbusMaster Examples