VAC has launched its newest advanced digital positioner The D500. Featuring Advanced Diagnostics including Valve Signature, Speed over Position and Online Trend Monitoring. Several unique features include large internal memory and proprietary data logging method. Partial Stroke capability is standard and does not require the available pressure sensors. Several plug in modules are also available, 4-20mA Loop Powered Analog feedback, Digital Feedback, Analog Universal Input, and an Emergency Shutdown Module.

Easily calibrated using the on board plain language interface, with a hand held, or on line using freely available FDT software tools and the full featured DTM. This modular design allows the end user to specify the features they need without paying for features they don't. Modules may be added at any time in the future as the need arises reducing installed costs while providing for long term expandability. The D500 features the same footprint as our D400 standard digital positioner. All connections and mounting points are identical reducing the cost of implementing the VAC digital solution. The D500 is not a replacement for the D400, rather it is an expansion of our digital offering allowing us to provide the best and most economical digital solutions for our customers.
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