摘要
本文介绍了电机转速常用的测量方法,讨论了决定各种方法测量精度的因素。文中给出了一种利用PLC开关量输入单元测量电机转速的方法。该方法的优点在于测量成本低、具有较好的稳定性。
This paper presents some basic measuring methods for rotary speed of electromotor, and discusses determinants of precision of these measuring methods. A measuring method is provided with digital I/O unit of PLC. The advantage of this method is low cost and stable.
关键词
转速测量
PLC
电机
Measuring rotary speed PLC Electromotor
