What is significance of Max return Values in OPC HDA server?
OPC HDA server has a parameter "Max Return Values"? what is the significance of this parameter? Knowledge Manager (CPM Minerals Product), has OPC HDA client interface and while we interafce Honeywell HDA server, it takes ages to fill the history data. The Max Return Value for this Honeywell HDA is 500, Whereas for ABB 800xA, FLS HDA server, the value is more than 2000 and our client interface fills the histort data in quite reasonable time.
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