Gray Simulator is OPC Server that can be usefull in OPC Clients debugging. Gray Simulator provides a set of various OPC tags: harmonic waves; triangle waves; square waves; ramps; random numbers and logical variables; random strings; random dates; enumerations; storage registers of different types. This OPC simulator is fully compliant with OPC Data Access 1.00, 2.05a and 3.00....
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This download (Gray Simulator) is freeware. "Freeware is copyrighted computer software which is made available for use free of charge, for an unlimited time, as opposed to shareware where the user is required to pay (e.g. after some trial period or for additional functionality)." More info at
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