continuous annealing line KGL1 in the Linz plant in Austria. The replacement of the now obsolete systems will improve the operational safety and availability of the annealing plant as well as increase personal safety. All the sequence controllers will be modernized, and the KGL1 safety concept will be implemented. The project processing is especially challenging because work can only be executed during the ten- to twelve-day plant shutdowns which only take place about every six months.
The order voestalpine Stahl GmbH awarded to Primetals Technologies in September 2020 to modernize the basic automation systems comprises the replacement of the sequence controllers. In future, the signals will be interconnected via decentralized I/O-systems, which are linked to the automation system by a fieldbus. The existing sensors and actuators will be linked into the newly supplied control cabinets. Some of the local control desks will also be modernized and the central I/O modules of the automation system will be replaced by new decentralized hardware. The aims of the modernization are to improve operational safety and plant availability and increase personal safety in compliance with the machine safety regulation.
The order also includes essential adaptations of the visualization system, modernization of all motor feeders for the fixed-speed drives and power supplies, as well as the application of a new safety concept throughout the entire plant, the supply of the door locks and release consoles, and implementation of the safety functions in the existing safety PLC. The scope of services covers the hardware and software engineering, the technical documentation, the manufacturing of the cabinets for the automation and MCC, disassembly and erection, commissioning, on-call service, performance and availability tests.
One particular challenge lies in the step-by-step modernization which has to take place during the ten- to twelve-day plant shutdowns which only take place about every six-month.