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Click to play videoclip or 'Right click' and choose 'Save target as' to download. (3.6 MB) Curtains
Every curtain in the building is controlled by a 24 Volts DC motor. As with the Velux-windows, two outputs are used, one for activation and one for direction. Again, the extreme positions are registered by monitoring the rising current, and the open/close time is measured and stored in the memory.
As the module is aware of the time it takes to draw the curtains, it is possible to change the position of the curtains by only a percentage. This regulation is of course performed via P-NET, which transfers the necessary adjustments requested by a controller, to the module operating the curtain.
As P-NET is accessible from the PC network, the control of curtains is available from all PC workstations within the building, enabling the staff members to locally control their surrounding curtains without leaving their desks.
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