Often, technologies and operations in rail freight transport have remained unchanged for decades. Until now, to perform the brake test on freight trains, staff walked the whole length of the train, using a special hammer to tap each axle to check the proper functioning of the brakes. PJM, the Austrian system specialist for rail transport, is committed to digital technologies for this procedure and worked with Pilz to develop the safety technology for the automatic brake test. The challenges lay in the absence of power to the carriage, plus the different technical equipment on the train formations, which typically comprise 25 to 30 carriages, and can vary considerably depending on the wagon type, origin and age. The complete solution consists of the safe automation system PSS 4000 and certified application software. http://www.pilz.com
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