Unitronics VISION Communication Server is a Microsoft Windows application program that acts as a communication protocol Server and allows other Windows application programs access to data from UNITRONICS Programmable Logical Controllers (PLCs) using the serial and Ethernet communications. The VISION Server DDE & Suite Link version (if running on MS Windows NT, 2000 or XP) supports the Wonderware Suite Link communication protocol.
Main features:
- The maximum size of response capacity can be adjusted by specifying how many consecutive values can be received by one poll request message.
- Minimizes system message traffic by dynamically calculating and optimizing poll lists for client-requested items/points.
- Supports multiple topics for each PLC, allowing different data update rates.
- Provides a communication status flag for each topic.
- Supports standard DDE among multiple applications.
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