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PLC数据操作系列之构造不同应用场景的缓存栈FIFO(算法详解)
2022-06-23 22:03:00 【RXXW_Dor】
这篇文章和大家深入浅出的聊堆栈FIFO(先入先出)、结合工业现场的实际应用场景,一步步理解缓存栈的数据存取时序约束。掌握堆栈操作数据的方法。编程不一定非要用系统自带的FIFO指令或者功能块,厂家PLC的FIFO指令其实非常不灵活,给出的都是通用的堆栈指令库,我们掌握方法后可以自由灵活的构造不同的堆栈、缓存栈方案。
关于堆栈和移位指令还有一篇博文,是针对同一个项目的 不同场景要求,实现思路略有不同,大家可以结合对比去学习堆栈的思想。
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