通用PC总线光电隔离I/O卡原理及应用

The Principle of a General PC-Bus Photoelectric Isolating I/O Board and its Applications

介绍一种通用的PC总线光电隔离I/O卡的设计思想、工作原理及其在流量、压力测控系统中的应用。使用与试验结果表明,该接口卡工作可靠,使用方便,其最大延时小于8μs。

This paper describes the design and the operating principle of a general PC-bus photoelectric isolating I/O board. One with the maximum delay time of 8μs has been applying in a flow and presure control system.