基于80C31的手动测量装置CPM3板的 电路原理及故障处理

摘要

CPM3板是手动型测量机电控系统的核心部分，它具有一定的运动控制、采点计数以及自检功能。本文主要从调试和维修的角度探讨了CPM3板的电路设计原理，以及相应维修方法。%CPM3 board is the core part of the manual type measuring machine electric control system .It has certain mation control ,counting and self-checking function.This paper mainly discusses the circuit design principle of cpm3 board ,and some maintenance techniques from the perspective of debugging and maintenance.