Disconnect and delete all OPC Toolbox objects
opcreset disconnects and
deletes all OPC Toolbox™ objects. This command flushes any data
stored in the buffer, cancels all asynchronous operations, and closes
any open log files.
You cannot reconnect a toolbox object to the server after you
delete the object. Therefore, you should remove these objects from
the workspace with the
Note that you cannot call
opcreset if an
OPC Data Access Explorer session is open, or if Simulink® models
containing OPC Toolbox blocks are open. Before calling
close all OPC Data Access Explorer sessions and all open Simulink models
containing OPC Toolbox blocks.
opcreset -force closes all
OPC Data Access Explorer sessions and all Simulink models containing OPC Toolbox blocks,
without prompting to save those sessions and models. If you use the
you lose any unsaved changes to those sessions and models. Use the
only as a last resort.
opcda object, and add a group to
that object. Then delete the OPC Toolbox objects using
and clear all variables from the workspace.
da = opcda('localhost','Dummy.Server'); grp = addgroup(da); opcreset; % Deletes all objects % Clear the variables clear da grp opcfind