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RTG hoist



Mechanical position switches were installed on the drum side of the SISU RTG. Resetting these mechanical position switches, for example after replacing the ropes, was extremely time-consuming. Moreover, the switching points no longer fulfilled the accuracy requirements demanded in today's world. Then there was the customer's wish to install overspeed protection on the drum side and be able to acquire speed data.


Huebner Solution

The U-ONE® universal encoder system fulfils all of the customer's requirements. Mechanical modifications to the basic unit that the customer is able to carry out on-site ensure physically installing the encoders presents no difficulty. Evaluation electronics provide the desired switching points, overspeed protection as well as speed data. And, thanks to the software included in the scope of supply, switching points and operating ranges are user programmable to fulfil on-site requirements. Signals between the basic unit and the electronics are transmitted via fibre optic cable to ensure EMI immunity.