System

The SSZ-Sensor is used for all our transducers which are SSZ-Safety-Mats, Safety-rails and Safety bumpers. This is a co-extruded elastomer rubber profile whose opposing and isolated surfaces are electrically conductive. These surfaces are held apart by the special profile shape. A contact between the conductive surfaces triggers the signal.

The mode of operation of the SSZ-safety system is based on the principle of transmission and receiving in the form of a 4-wire system in accordance with the closed-circuit principle, whereby two different voltages are generated by the controler which have have opposing polarity.

Both signals are transmitted via the two highly resistive conductors of the SSZ-sensor element, received at the end again and processed.

If the SSZ-sensor element is actueted or a signal is missing, e.g. owing to a wire break, this is Recognized by the controler, which then immediately switches off the output relays and interrupts a dangerous movement. The response time of the controler is less than 20 ms.

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