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Vollmer, S.

Paper Title Page
WEP002 Overview of the Communication Structure of the HIT Accelerator Control System 168
  • J. M. Mosthaf, S. Hanke, A. Peters, S. Scheloske, S. Vollmer
    HIT, Heidelberg
  • T. Fleck
    GSI, Darmstadt
  The HIT ACS is a modular, PC and front-end controller (with FPGAs) based accelerator control system developed by the company Eckelmann AG, Wiesbaden, Germany in cooperation with GSI and HIT. It consists of a database and several central applications running on Windows 2k3 server machines as well as a dozen control room client PCs for the GUIs, and a few hundred front-end device controlling units (DCUs). Due to strict timing requirements in the ms and partly μs range, communications during an acceleration cycle are done in real-time via RTB (Real Time Bus) and real-time shared memory components on the main control server. We show the overall structure of the ACS network and outline the relation of the component devices and the Ethernet and RTB communications between them.