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SYMPHONY Harmony is a proven process control system used for demanding applications in various industries.
The wide range of Harmony references includes the power generation, chemical, pharmaceutical, pulp and paper, water and wastewater, petrochemical, metals and mining, food and beverage, cement, and sugar industries.
Originally introduced in 1980 as Network 90, the system has gone through several evolutionary steps: INFI90 (1987), INFI 90 Open (1992), and Symphony Harmony (1996). Following ABB's lifecycle policy of "Evolution without obsolescence", this family of systems represents one of the largest contiguous installed bases of any process automation system in the world, with more than 6,000 systems installed worldwide.
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