opc_add_item.xml

opc技术

<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?> 
<!DOCTYPE MAN SYSTEM "man.dtd">
<MAN>
  <LANGUAGE>eng</LANGUAGE>
  <TITLE>opc_add_item  </TITLE>
  <TYPE>Scilab Function  </TYPE>
  <DATE>Dec. 2006  </DATE>
  <SHORT_DESCRIPTION name="opc_add_item"> Add a OPC Items to OPC Group </SHORT_DESCRIPTION>
  <CALLING_SEQUENCE>
  <CALLING_SEQUENCE_ITEM>opc_add_item(item,item_num) </CALLING_SEQUENCE_ITEM>
  </CALLING_SEQUENCE>
  <PARAM>
 <PARAM_INDENT>
  <PARAM_ITEM>
  <PARAM_NAME>item</PARAM_NAME>
  <PARAM_DESCRIPTION>
    : Array of item, such as: item(1)='ABB.tag123'; item(2)='ABB.tag234';
  </PARAM_DESCRIPTION> 
  </PARAM_ITEM>
  <PARAM_ITEM>
  <PARAM_NAME>item_num</PARAM_NAME>
  <PARAM_DESCRIPTION>
    : The num of item
  </PARAM_DESCRIPTION> 
  </PARAM_ITEM>
 </PARAM_INDENT>
  </PARAM>
  <DESCRIPTION>
  <P>
    This function is to add  OPC Items to OPC Group
  </P>
  </DESCRIPTION>
  <EXAMPLE><![CDATA[
item(1)='ABB.tag123'
item(2)='ABB.tag234'
item_num=2
opc_add_item(item,item_num)
 ]]></EXAMPLE>
  <AUTHOR>Zhe Peng([e-mail]), Longhua Ma. Zhejiang Univ. China   </AUTHOR>
  <SEE_ALSO>
    <SEE_ALSO_ITEM> <LINK>opc_connect</LINK> </SEE_ALSO_ITEM>    
    <SEE_ALSO_ITEM> <LINK>opc_disconnect</LINK> </SEE_ALSO_ITEM>
    <SEE_ALSO_ITEM> <LINK>opc_add_group</LINK> </SEE_ALSO_ITEM>
    <SEE_ALSO_ITEM> <LINK>opc_item_read</LINK> </SEE_ALSO_ITEM>
    <SEE_ALSO_ITEM> <LINK>opc_item_write</LINK> </SEE_ALSO_ITEM>
  </SEE_ALSO>
</MAN>