OPC Toolbox™

opcfind - Find OPC Toolbox™ objects with specific properties

Syntax

Out = opcfind
Out = opcfind('P1',V1,'P2',V2,...)
Out = opcfind(S)

Description

Out = opcfind returns a cell array, Out, of all existing OPC Toolbox objects.

Out = opcfind('P1',V1,'P2',V2,...) returns a cell array, Out, of toolbox objects whose property values match those passed as property name/property value pairs, P1, V1, P2, V2, etc.

Out = opcfind(S) returns a cell array, Out, of toolbox objects whose property values match those defined in structure S. The field names of S are object property names and the field values of S are the requested property values.

Examples

Create some OPC Toolbox objects.

da1 = opcda('localhost','Dummy.ServerA'); 
da2 = opcda('localhost','Dummy.ServerB');
set(da1, 'Tag','myopcTag', 'Timeout',300);
grp = addgroup(da2, 'TestGroup');
itm = additem(grp, {'Dummy.Tag1', 'Dummy.Tag2'});

Find all OPC Toolbox objects.

allObjCell = opcfind;

Find all objects with the Tag 'myopcTag'.

myOPC = opcfind('Tag', 'myopcTag')

Find all daitem objects.

itmCell = opcfind('Type', 'daitem')

See Also

delete

opcda

opchelp