The principle of on-off interface of CNC system, the software diagnosis and the programming technique for the interface are described.
本文主要描述计算机数控系统开关量接口原理，接口的软件诊断方法及程序编写技术。
The principle of on-off interface of CNC system, the software diagnosis and the programming technique for the interface are described.
本文主要描述计算机数控系统开关量接口原理，接口的软件诊断方法及程序编写技术。
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