A quarter of a century has passed since monitoring and control systems using computers were first installed in water purification plants and sewerage plants. From now on, the level of requirements demanded of monitoring and control systems will rise in line with their role as a core technology for wide area management of public systems, including unmanned systems. Moreover, many public plants are more than 15 years old and their reconstruction is necessary. Since the plants being monitored and controlled are lifeline systems, however, it is impossible to stop their operation. Toshiba has developed a new monitoring and control computer system for water purification plants and sewerage plants to satisfy these requirements.
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