modbustcp封裝使用獲取裝置資料示例

//接受資料請求

public functionclient($pz)elseif($value['chang4']==2)elseif($value['chang4']==3)elseif($value['chang4']==4)

$value['zu6_21']=' 00 00 00 06 15 ';

//型別獲取bit為線圈暫存器，其餘為保持暫存器

$value['type']=$data_zhcs[$value['name']]['variable_type'];

if($value['type']=='bit')else

//獲取10進製的暫存器

$value['jcq_10']=$data_zhcs[$value['name']]['register_address']-1;

//轉16進製制的暫存器

$value['jcq_16']=dechex($value['jcq_10']);

//獲取16進製制的暫存器長度

$value['chang_jcq']=strlen($value['jcq_16']);

//判斷16進製制的暫存器長度

if($value['chang_jcq']==1)elseif($value['chang_jcq']==2)elseif($value['chang_jcq']==3)elseif($value['chang_jcq']==4)

//獲取個數（這個基本不會改變，如若改變則接收要全改）

//判斷是32位的變為02

if($value['type']=='int32')else

$value['zu']=$value['zu1_5'].$value['zu6_21'].$value['zu22_23'].$value['zu24_29'].$value['zu30_35'];

$sendstrarray[$k_1] = str_split(str_replace(' ','', $value['zu']), 2); // 將16進製制資料轉換成兩個一組的陣列

for($j = 0; $j < count($sendstrarray[$k_1]); $j++)

$receivestr[$k_1] ="";

$receivestr[$k_1] = socket_read($socket, 1024,php_binary_read); // 採用2進製方式接收資料

$receivestrhex[$k_1] = bin2hex($receivestr[$k_1]); // 將2進製資料轉換成16進製制

//響應狀態

$value['xyzt']=substr($receivestrhex[$k_1],14,2);

//如果返回成功

if($value['xyzt']==$value['zu22_23'])

}//斷開鏈結

socket_shutdown($socket);

socket_close($socket);

$cc=db($xgcs['su***ce'])->where(array('id'=>1))->update($datas);

return$datas;

if($cc)else

}