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PLC based Control System for Cryogenic Environmental Test
Author(s): 
Pages: 54-56,60
Year: Issue:  9
Journal: PROCESS AUTOMATION INSTRUMENTATION

Keyword:  可编程控制器低温环境试验;
Abstract: 介绍了S7-300系列PLC应用于低温制冷系统温度控制的工艺设计及实现技术.首先简要分析了该系统的组成及控制工艺要求,然后重点讨论了其控制策略和软硬件配置.该系统实现了低温制冷温度的自动控制和监视,仿真结果表明,该系统完全达到了设计规定的性能指标和要求,且运行可靠.
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