Companhia Siderúrgica Nacional (CSN) and Russula have completed the first phase of the complete automation and drives modernization for the two-strand slab continuous caster #4 in Volta Redonda, Brazil. The main objective was to replace obsolete APC cards, which have been discontinued and no longer supported by the manufacturer. Fifty-eight DCV 700 drives were replaced with new ABB DCS880 drives. The switchover occurred in a record time of six days during a shutdown in January 2022.
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