OPCRefresh — sends a Refresh2 command to the OPC server.
(OPCRefresh [label])
label
The name for this connection, as displayed in the OPC option of the Properties
window. If label is * or
absent, then the command affects all currently configured
connections.
A message indicating success or error. Please refer to Return Syntax for details.
This command causes the outgoing OPC connection specified by
label to send an OPC Refresh2
command to the server. This instructs the OPC server to retransmit the current
values for all items to which this connection is subscribed.