摘要
本文介绍了含RS-232接口的I/O卡的系统开发及如何使用NI公司的LabWindowsCVI6.0软件实现对该卡的各项功能测试,并通过调用RS-232函数库完成对I/O卡的通讯编程,使该卡能直接用于要求进行自动控制的工业现场。
System exploitation of an I/O card with RS-232 interface and the application of Lab Windows CVI6.0 from NI company on the card' s functional test are introduced, by calling RS-232 library to accomplish the communication program, the card can be used directly in the industrial field with automatic control system.
出处
《石油工业计算机应用》
2004年第1期36-38,6,共3页
Computer Applications Of Petroleum