Customer challenge However, the recent change from ABB’s DCI System Six to System 800xA was not without challenges for both partners. “Be- fore, the control systems were inside electrical cabinets that of- fered protection from explosion and had push buttons, relays and indicator lights. In the nineties, we moved up to ABB’s DCI System Six, which opened the way to increased automation,” explains Fabian Haest, Engineering and Maintenance Manager for Sumi- tomo. “We continued to use this system until a few years ago, but ABB had since evolved toward a more recent solution, the 800xA system. Although the hardware infrastructure of the last few years was compatible, the graphics - that is, the screens and interfaces used by operators - needed to be renewed. Updating was there- fore re

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