Print reports and plot drawings directly on any Windows compatible printer or plotterĪ free, Internet licensed, version of PLS-CADD/Ultralite is available for download. Use the most common graphical user interface (GUI) in the world Run on powerful yet inexpensive computers Wire tension entered using one of following:Īutomatic sagging criteria (% of RTS under varying combinations of wind, ice and temperature)Ī Microsoft Windows 7, 8 or 10 (圆4) environment that lets you: Span geometry entered as horizontal span length, change in elevation between ends and attachment height above ground. Use or modify predefined criteria (NESC, GO 95, generic.) from our Online Criteria Libraryĭefine your own combinations of wind, ice and temperatureĪutomatic wind adjustment with height and gust response factor calculations as per many different International Codes (NESC, ASCE, variants of EN50341, AS/NZS 7000.).ģD graphics update live to let you visualize your work Works with any of the over 5,000 predefined cables in our Online Cable Library More advanced sag-tension methods and modeling functions better suited to modeling an entire line are available in our PLS-CADD software. NESC, GO95, user defined, etc.)ĭeveloped primarily for educational purposes for study of wire behavior of a single span under various temperature, wind, and ice scenarios, it provides traditional Sag-Tension tables and Stringing Charts based on Ruling Span theory. There is also an 'AutoSag' option that pulls the wire up to the highest tension meeting user defined constraints (i.e.

The tightness of the wire can be input as Horizontal Tension, Catenary, Sag, or Slack. Inputs are collected in a single dialog box and text plus graphical results update live as inputs are changed. Our goal in developing ULTRALITE was to provide the simplest possible application for modeling a span of wire in either a level or inclined state. It develops a Sag-Tension report as well as Stringing Charts for a user definable range of span lengths and stringing temperatures. PLS-CADD/ULTRALITE is a streamlined version of PLS-CADD for quick modeling of a single span of conductor or wire.

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