It expatiated that the motor fault diagnosis instrument based on ADuC832 MicroConverter and EPM9320 CPLD structure,principle and the check-up mean of electrical parameters.

• 详细论述了基于ADuC832单片机和EPM9320复杂可编程逻辑器件的电机故障诊断仪的结构、原理及电参量的检测方法。