备用压力变送器要与原有的设备具有型号和相同的规格,这样采集的数据才有可比性,不会有较大的误差;两路信号的使用原则为“一用一备”,即在生产中只使用一路信号,参与生产控制,另一路信号处于备用状态。互为切换使用,当某一路信号出现异常时,另一路可迅速投入使用;监控画面要将两路信号的状态实时体现出来,通过显示的数值和数值的变化来判定两套变送器的运行状况。从而为选用哪一路信号参与控制做参考。
炉内压力用棒图的形式表示炉内压力检测点的变化情况。料罐压力。用棒图的形式表示两路料罐压力检测点的变化情况。切换设定用于手动切换使用料罐压力检测点信号。异常设定做了一个报警系统,当两路料罐压力之间的差值大于设定值后即认定为异常,发出报警,由操作人员做出判断。
厦门万向兴自动化设备有限公司
业务负责人: 林艺聪
咨询--热线:18030307073
咨询---FAX: 0592-5222425
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咨询-Email:2656135157@qq.com
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