Gray Simulator is a reliable OPC Server designed to facilitate debugging of OPC Clients. It eliminates the need for physical devices by accurately replicating OPC Data Access 1.00, 2.05a and 3.00.

This fully compliant OPC simulator is compatible with OPC Data Access 1.00, 2.05a, and 3.00. With its intuitive interface and extensive tag library, Gray Simulator is an ideal solution for developers and testers looking to ensure the integrity and reliability of their OPC client applications.
Whether you're working on a small project or an enterprise-scale application, Gray Simulator provides the flexibility and versatility you need to get the job done quickly and efficiently. So why wait? Download your copy of Gray Simulator today and take your OPC client debugging to the next level!
Version 1.8:
Version 1.1: fixed VQT writing with unspecified quality.
Verision 1.2: minor bug fixes.
Version 1.3: better locale support.
Version 1.4: minor fixes. passed CTT tests.
Version 1.5: Vista support.
Version 1.7: Fixed problem with browsing from OPC .NET API.
Version 1.8: Win7 support.