TSXAEY800施耐德

TSXAEY800施耐德

TSXAEY800

PLC模拟单元的分辨率是1/32767，对应的标准电量是0—10V，所要检测的是温度值0—100℃。那么0—32767对应0—100℃的温度值。然后计算出1℃所对应的数字量是327.67。如果想把温度值到0.1℃，把327.67/10即可。

模拟量控制包括：反馈控制、前馈控制、比例控制、模糊控制等。这些都是PLC内部数字量的计算过程。

3、 脉冲量是其取值总是不断的在0(低电平)和1(高电平)之间交替变化的数字量。每秒钟脉冲交替变化的次数称为频率。

PLC脉冲量的控制目的主要是位置控制、运动控制、轨迹控制等。例如：脉冲数在角度控制中的应用。步进电机驱动器的细分是每圈10000，要求步进电机旋转90度。那么所要动作的脉冲数值=10000/(360/90)=2500。

TSXAEY800

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