Abstract
Sequential control is to use binary information digital technology of automatic control mode. Realization sequential control most has three kinds representative method: sequence table method, expression method and ladder diagram method. In this paper, we analyzed polymerizer coating technological process and Sequence Control Flow, then make use of CENTUM CS-3000s sequence table to realize the polymerizer coating completely automatic sequential control. The practice proved that it improved polymerizer coating effect, raised the equipment utilization rate and the PVC quality. it had the widespread application promotion value.
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