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The hardware and software structure of a microcomputer-based supervisory system for a mercury-cell chlorine plant. The system monitors data for 52 chlorine cells and provides control of each cell for specified low and high set points which are functions of currents and voltages. The microcomputer consists of an 8080A microprocessor using 14 K of PROM and 17 K of RAM. The software is designed for a seven-level priority interrupt structure. The system stores 13 kbytes of data and generates a complete record of production totals and individual cell performance.
Date of Publication: March 1979