程序通信块
Attention are mainly focused on the modular design of PLC program, flow figure of each subsystem, the assignment of the program function block, the communication principle between PLC and up-lever computer and the timing sequence diagram.
着重介绍了PLC程序的模块化设计以及各个工位的程序流程、程序功能块的划分以及与上位机通讯的基本原理和时序图;
A control block used for communication between the time-sharing driver and the time sharing interface program.
一种控制块,用于分时驱动程序与分时接口程序之间的通信.
Modifiable alternate program communication block modified Letter B
可修改更换程序通信块修订乙种换地权益书
英语网 · 双语娱乐资讯
英语网 · 高中英语
英语网 · 英语词汇
英语网 · 双语新闻