• Accurate determination of speed • Cost-effective custom solution • Fast realisation • Purposeful cooperation of specialists • Robust and accurate

Challenge at a lofty height Control unit and motor at a distance of over 220 metres It can be seen from far away: the emblem of the City of Duisburg, the chimney of the municipal utilities’ power stations 1 and 2, built in 1967 by the harbour to generate power and heat for district heating from anthracite. The shared chimney of the two coal power stations consists of three flues located in close proximity, with a further tube between them. In that tube, an elevator travels at a speed of 3 m/s, carrying visitors and employees to the vertiginous height of over 180 metres. From the visitors’ platform,...

Application Advisor in the Technical Support Department at Wachendorff Automation. “Instead of the usual supply voltage of 5 V, the encoder operates with 15 V in this instance, and it has been terminated with special resistors,” adds Götz Benczek from Emotron. Custom solutions such as this are not unique for Wachendorff Automation. That they can be realised speedily and costeffectively is mainly due to the fact that at Wachendorff the majority of the employees operate under one roof at the Geisenheim site, from manufacturing to technical support and product management. Only the sales operation...

Image 5 Emblem: The tower has been seen as Duisburg’s emblem since 1967. The three flues and the elevator tube in the middle represent an impressive eye-catcher when lit up by green floodlights at night. Image 7 and 8 WDG/From above - engine room: The Wachendorff Automation encoder at its operating site high over the roofs of the city. Image 6 Control system: The new control cabinet with the DC power supply and the elevator control unit. Image 9 Team: Employees from von Otis, Emotron, Wachendorff Automation and the municipal utilities company have jointly brought the unusual project to a successful...