Control display unit
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A CDU is used in remote operated gassfields placed on the seabed. It distributes power, control signals and chemicals arriving through the umbilical and pipelines from land to the other subsea structures.
The connection point – manifold – in the control distribution unit can be retrieved to the surface for maintenance and modifications.
It is also used as name of the interface device unit used to access the two FMC´s (Flight Management Computers), the main computers and softwares popularly known as "AutoPilot" of the big and heavy jet planes, as Boeing 737, 767 and 777 airplanes, for example.
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