LinkMaster - Universal OPC Data Bridge The LinkMaster Universal OPC Data Bridge software is designed to provide an automated and bi-directional means of data transfer between different control system hardware or between enterprise systems supporting OPC and shop floor systems supporting OPC. LinkMaster is a powerful, time and money saving integration tool that requires no programming expertise to use. Applications include moving data from HMI to DCS systems and back, from one PLC brand to another, from one HMI to another, between enterprise systems and the shop floor and more. Take a look at our use examples on the tabs above!