OPC DA Client Driver TOP Server OPC & I/O Server This item is no longer available for online ordering. See below for details on alternate products or products that may have superceded this item. Product Summary The TOP Server OPC DA Client Driver can be used to aggregate data from a number of OPC Servers and made available to clients of the TOP Server through all supported interfaces, like SuiteLink, NIO/PDB and DDE. This provides the ability to connect to any OPC DA Server and connect your Wonderware, iFix or DDE Client through it’s native interface. This will provide the ability to replace FSGatway or OPCLink in many cases. This driver is now part of the TOP Server OPC Client Suite. OPC DA Client Driver TOP Server OPC & I/O Server This item is no longer available for online ordering. See above for details on alternate products or products that may have superceded this item.