Optomux Dynamic Data Exchange (DDE) Server Software

The Optomux Server is a Microsoft Windows application program that gives other Windows application programs access to the Optomux network. The status of analog or digital I/O points on the network can be read by the DDE Server and passed directly into Windows application programs. Likewise, the output of analog or digital I/O can be altered using the DDE Server. Typical Windows application programs which utilize the DDE Server include Wonderware InTouch, Iconics Genesis, Labtech Vision, Canary Labs Trendlink, Microsoft Excel, Lotus 1-2-3, and Visual Basic.

The DDE Server has an embedded Optomux driver which handles coding and decoding of the serial messages sent to the MicroDACs or OpenLTs. The DDE Server translates the messages into the DDE protocol which identifies an element of data by using a three part address consisting of an "Application," "Topic," and "Item." The Optomux DDE Server follows this convention and provides convenient Windows based screens for configuring and storing the Applications, Topics, and Items. A "point and click" screen is also used to set up the I/O module locations.

Writing from Excel to the MicroDAC DDE Server is accomplished by creating a macro sheet following the guidelines in the user's manual.

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