摘要
FX2的显示、打印和通讯，一直是用户较难掌握的功能，作者根据长期教学和多次实验的经验，谈了这方面的体会，介绍了具体的应用，供读者参考。
In general, user is very difficult to master the function of FX2 on display, print and communication.According to long-term teaching and many experiments, the writer sums up his experience, explains FX2's practical application for reference to readers.
出处
《基础自动化》
CSCD
1995年第2期61-64,共4页
Basic Automation
关键词
程序控制器
显示
打印
通信
positive and negative logic, secondary trigger, communication protocol, C-language
