Digital Automatic Coupling (DAC) is an advanced coupling system designed for the automatic connection of freight wagons. Unlike traditional screw couplings, the DAC system enables automatic mechanical coupling as well as electrical and data connections between train cars. This technology aims to improve efficiency and safety in rail freight operations by automating the coupling process, reducing the time and manual labor required for train assembly.
The DAC system is a key component of the European DAC Delivery Programme (EDDP), which is supported by the European Union. It plays a crucial role in modernizing Europe's rail freight sector, facilitating interoperability across various rail networks in the European Union. DAC also provides a continuous power and data line throughout the train, allowing for real-time monitoring and data transmission between wagons.
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