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Here you will find the description of Gray Simulator.


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OPC Toolkit

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OPC Utilities

OPC Simulator OPC DA Auto Wrapper OPC HDA Auto Wrapper GBRegsrv (Windows CE)

Brief Description

Gray Simulator is an OPC Server that can be usefull in OPC Client applications debugging.

Gray Simulator provides any OPC Client application with simulated COM and DCOM based communications. Use the Simulator to test compliance of any OPC Data Access compatible HMI, SCADA or custom application.

Gray Simulator tags tree includes

  • harmonic waves;
  • triangle waves;
  • square waves;
  • ramps;
  • random numbers and logical values;
  • random strings;
  • random dates;
  • enumerations;
  • storage registers of different types.

Gray Simulator
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OPC Specifications

This OPC simulator is fully compliant with OPC Data Access 1.00, 2.05a and 3.00.

Operating System

Gray Simulator is compatible with Windows NT4/2000/XP/Vista/Seven/2003/2008.

Source Code

The installation package of any Graybox OPC Server Toolkit version is supplied with the GraySim sample. This is an adapted version of Gray Simulator.


Gray Simulator is freeware. You can download and redistribute it with your products without any license limitations.

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