Abstract
The upgrade of the ATLAS experiment for the High Luminosity LHC (HL-LHC) will include a new pixel detector. A completely new detector control system (DCS) for this pixel detector will be required in order to cope with the substantial increase in radiation at the HL-LHC. The DCS has to have a very high reliability and all components installed within the detector volume have to be radiationhard. This will ensure a safe operation of the pixel detector and the experiment. A further design constraint is the minimization of the used material and cables in order to limit the impact on the tracking performance to a minimum. To meet these requirements we propose a DCS network which consists of a DCS chip and a DCS controller. In the following we present the development of the first prototypes for the DCS chip and the DCS controller with a special focus on the communication interface, radiation hardness and robustness against single event upsets.
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