44Overcoming DicultiesIn November 1974, the year after the rst oil crisis, Yokogawa welcomed a new president, Shozo Yokogawa, the third son of Tamisuke Yokogawa, the founder of Yokogawa. Shozo had been the president of Yokogawa-Hewlett-Packard since its foundation in 1963, and this company had grown quickly under his leadership. On assuming the presidency of Yokogawa, he clearly stated that he would value mutual understanding between labor and management, help everyone to enjoy work with a sense of purpose and make full use of their abilities, and increase our added value for the lasting growth of Yokogawa.He also explained about measures that would be needed to overcome challenges that the company faced and identied that this would require everyone to think hard and identify changes in society’s needs; regain pride and recognize that measurement and control technologies are indispensable to society; improve communication skills; see things from the customer’s perspective; and share expertise by cooperating with colleagues. He also noted that he wanted to make Yokogawa a company where anyone could talk with anyone else, at anytime and anywhere.CENTUM: the World’s First DCSIn June 1975, Yokogawa released CENTUM, the world’s rst distributed control system (DCS) and the culmination of the company’s digital control technologies, expertise, and know-how. With conventional, centralized control systems, any failure in one computer aected the whole system and made it dicult to conne risk. A DCS was needed to overcome this problem and optimize the system conguration of a plant, depending on its size. By using microprocessors, Yokogawa solved a variety of technology issues and successfully developed the new DCS.Because Yokogawa had already developed highly reliable technologies for duplicating control systems, it was able to develop the DCS ahead of its competitors. Unitization of a control system for optimal conguration, central monitoring and control with CRT displays, excellent system expandability, simple instrumentation setup, and integration with computers for production control–––all these capabilities led to the world’s rst DCS.Yokogawa’s History —— Chapter 3Shozo YokogawaReleased in 1975, the rst CENTUM systemFrom Steady Growth to the Bubble Economy and Its Bursting (1975–1990)
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