Deployment of the Mobile Radio Warning System

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ZÖLLNER Mobile Radio Warning System (MRWS)

The ZÖLLNER Mobile Radio Warning System Autoprowa® consists of different devices which can be modularly configured within the system to meet individual needs.

The passing train is detected at the required distance, the in- formation is transmitted via radio and the warning signal is issued on the worksite. When the train has left the worksite area, the warning is cancelled by the operator and work can continue.

Train Detection

The trains can be detected by an inductive sensor F500 installed for each possible route leading to the worksite. The F500 sensor is controlled by a junction box, which is connected to the transmitter ZFS. Alternatively the warning can be manually activated by a lookout using the ZFS in a harness.


The system is controlled by the operator either by a ZRC or a ZPW. With these devices it is possible to manage the radio communication, cancel the warning, issue additional or emergency warning and shut down the system. The control unit also displays status messages for all the components.


People working on or near the track are warned acoustically and visually by the ZPW. The audible warning is only given once, while the lights remain flashing until the warning is cancelled. For noisy worksites the ZPW can be combined with warning horns WGH and WGL. In addition personal warning devices can be used with the system.

Please click download for advantages and examples for the deployment of the Mobile Radio Warning System.


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