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概述了可编程控制器在焦化厂筛焦备煤扩建改造工程中的应用情况。以筛焦系统为例,给出系统联动控制的梯形图程序,介绍了调试经验与体会。 相似文献
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In order to overcome the
disadvantages of relay-contactor control, i. e. more failures, low reliability and huge maintenance,
the applications of programmable controller (PLC) for coal-preparation in coking process and coke sieve
system are introduced. The selection of the PLCs, design criteria and the anti-interference measures in
installation and test are emphasized. 相似文献
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