Control loop

Each control automation is based on a simple control loop. Even complicated tasks may be reduced to such a control loop..

Web tension

Starting point is the actual web tension.

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Load sensors continuously and precisely detect the web tension.

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The controller compares the actual web tension with the specified target value and issues an appropriate corrective signal to the actuator.

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The actuator changes the speed of the pulling unit/winder or the braking force of the unwinder and thus corrects the web tension.

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