This paper passes on clock setting and time controlling methods on PLC, and gives program examples.
介绍了可编程控制器机内时钟的设定及时间控制的方法,给出了编程实例。
It can work either in dynamic or in static state and it also has the functions such as parameter setting, clock setting, data real time displaying, saving, accessing, up sending etc.
实现了动态测量和静态测量,具有参数设置,时钟设置,数据实时处理、显示、存储、查询以及上传等功能。
The clock setting, which has been a staple since 1947, represents the severity of the perceived threat to humanity from nuclear or biological weapons, climate change and other human-caused disasters.
“末日之钟”于1947年设立,代表了人类感受到的来自核武器或生化武器、气候变化及其它人为灾难等威胁的严峻程度。
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