摘要
介绍了一种基于PC机的机床数控系统结构的组成 ,阐述了I/O接口卡的硬件和软件原理 ,以及由 89C2 0 5 1单片机构成的环形分配器。
This paper introduces the composing of a numerical control system structure which is based on PC, describes the principles of the I/O interface card's hardware and software, as well as the circular allocator which is constituted by singlechip 89C2051.
出处
《机电工程》
CAS
2001年第6期41-44,共4页
Journal of Mechanical & Electrical Engineering
