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郗采佩2868电路图中的开关符号要画在哪 -
平菁莲13737609797 ______ 一般画在电路的边缘.

郗采佩2868电气电工,光电开关这么画对吗光电开关的图形符号在电路图中这么画对吗,光电开关的的文字符号是不是用B来表示啊, -
平菁莲13737609797 ______[答案] 不对

郗采佩2868开关的符号 -
平菁莲13737609797 ______ o是关,-是开.

郗采佩2868电路图中,遥控开关用什么符号表示?很着急!!!!!!谢谢啦!!! -
平菁莲13737609797 ______ 遥控开关有发射机,有接收机,发射╱接收机里有相关电路,只可以模组方框表示,无线电波就再加天线符号在在方框上,如红外线加IR应该可以.

郗采佩2868开关方面的符号知识
平菁莲13737609797 ______ QA:隔离开关 QSA:隔离开关熔断器组不含熔体 QPS:双投隔离开关 QAS:双投隔离开关 QSS:双投隔离开关熔断器组不含熔体

郗采佩2868电力开关电源和负荷是什么符号 -
平菁莲13737609797 ______ 1. 开关电源的电气符号一般用整流器的电气符号表示, 2. 文字符号为 U ; 3. 图形符号为 4. 开关电源的负荷符号是:W,也就是功率,后面所承载的功率就是开关电源的负荷能力

郗采佩2868PLC编程中,线圈,按钮开关,交流接触器都用什么符号表示 -
平菁莲13737609797 ______ 线圈一M 按钮一 -‖- 交流接触器 (Y)

郗采佩2868(如图所示)这个符号的开关控制什么装置? -
平菁莲13737609797 ______[答案] (如图所示)这个符号的开关控制什么装置? 图呢?

郗采佩2868电源开关I/O用电气符号怎么表示是这种开 -
平菁莲13737609797 ______ 这是二进制表示方法,1为开,0为关,I/O表示开关.准确说这是一种对可操纵原件的标注,明显标注在元件附近,只是使用者准确操作.多用简明易懂的文字或示形图形标注,基本上不使用电气符号.