When there are a large number of subscriptions that have to be split amongst sever requests, this value is divided by the number of requests required to determine the delay between each packet. This set the target rate for refreshing all of the subscriptions. Or when used with a Trend Chart, it can pause the charting. This is useful in cases such as when hiding a form and there is no longer a need to refresh the values. This is typically not used and automatically generated by the driver. This name will be defined within the OPC Server Otherwise this is used to indicate the remote location of the server. For example, "RSLinx OPC Server" for RSLinx, "OPC.IwSCP" for Boschĭefault value of opcda://localhost is used when OPC Server is on same machine. This is very specific and can sometimes be difficult to find. The specific name of the OPC server to connect to. This driver is a wrapper to interface OPC-DA drivers with AdvancedHMI.
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