LLC «VIZ-Stal», the city of Ekaterinburg.


Modernization of automation system and replacement of capacity controllers of heaters for decarburizing annealing plant 1A.

Work objective:

• reducing risk of production loss due to lingering emergency downtime of equipment and improving safety at production site;

• replacing the worn-out and obsolete electrical equipment of main and auxiliary machines and furnace heating system;

• building an up-to-date control system of the plant;

• data archiving and transfer to the second level of the enterprise. The modernization resulted in implementation of transport control system: for drives of:

• decoilers No.1 and No.2 (2 pcs. in all);

• withdrawal-roll sets No.1, No.2, No.3, No.4, No.5 (10 pcs. in all);

• entering reels No.1 and No.2 (2 pcs. in all); • looper rolls No.1 and No.2 (2 pcs. in all);

• coilers No.1 and No.2 (2 pcs. in all).

Converters Sinamics DCM were used. Converters Sinamics S120 were used for drives of horizontal furnace rolls (8 pcs. in all). Processing of analog and discrete signals was implemented by means of controller Simatic S7-1500 and field stations ET-200M.

For the purpose of visualizing and controlling an industrial process the operator workstation (virtual computer-based) was installed.

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