| 摘要 |
Method—and device for the implementation thereof intended to provide a protection system for barriers which are movable along an operating path and actuated by a motor, such as roller blinds, gates or the like, comprising the steps of connecting the barrier, with play, to a fixed part (30) so that the barrier is able to move independently of the action of the motor over a travel section (98); defining within the section (98) a set of safety positions corresponding to a safety position for the barrier; detecting along the travel section (98) the actual position of the barrier with respect to the fixed part (30); preventing or reversing the action of the motor and/or the movement of the barrier when the barrier, inside the travel section (98), does not have a position included within the set of safety positions.
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