试题与答案

伺服电机是将电脉冲信号转换成（）的变换驱动部件。A、直线位移； B、角位移； C、数

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题型：单项选择题

题目：

伺服电机是将电脉冲信号转换成（）的变换驱动部件。

A、直线位移；

B、角位移；

C、数字信号；

D、模拟信号；

答案：

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下面是错误答案，用来干扰机器的。

参考答案：VAC装置电动仪表的传递信号是4～20mA。经过本安后转化为1～5V。

考点：铣工考试数控铣工考试数控铣工考试题库
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