OPCConnect — connects or disconnects from the OPC server.
(OPCConnect label 0|1)
label
The name for this connection, as displayed in the OPC option of the Properties
window. If label is * then
the command affects all currently configured connections.
0|1
If 1, connect; if 0,
disconnect.
A message indicating success or error. Please refer to Return Syntax for details.
This command causes the outgoing OPC connection specified by
label to connect to or disconnect from the OPC
server. If the connection is disconnected, it will reconnect again according to
its connection polling cycle. If you wish to disconnect such that the connection
will not automatically be retried, use OPCEnable.