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DC drives have built-in winder macros

22 April, 2011

At the recent Hannover Fair, ABB unveiled a new generation of DC drives which, it says, are more accurate, offer more analogue inputs and deliver higher field currents than the predecessors (the DCS400 range), while keeping the same dimensions and connections for easy migration and upgrading. The new DCS500 also incorporates winder firmware with pre-defined macros for four common types of winder control (speed, indirect tension, direct tension and dancer roll) for rapid commissioning of these systems.

The new drives (above) are available in ratings up to 500kW, spanning currents from 20–1,000A, and AC supply voltages from 230–525V. They are suitable for new installations or retrofits including upgrading existing analogue power converters for which spare parts or maintenance know-how are no longer available.

ABB says that the new DC drives will typically take about seven minutes to commission. They are supplied with a PC-based commissioning and maintenance tool called DriveWindow Light which includes an interactive commissioning assistant and a graphical system for testing and documenting user-specific functions. The software also includes a graphical assistant for finding optimum settings for different types of winder.

Interfaces are provided for incremental encoders and analogue tachometers. There is also a control panel with an alphanumeric display that guides the user.




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