CAJ | 학술논문

　　PLC属于存储程序控制方式，其控制功能是通过存放在存储器内的程序来实现的，想要对控制功能做必要的修改，只需改变软件指令即可，实现了硬件控制的软件化，是一种用于自动化控制的理想工具。使用PLC控制假山瀑布和彩灯，若要改变，只需把控制程序作相应的修改，即可实现控制目的。采用程序流程CALL和SRET指令进行编程，实现程序调用。
　　PLC속우존저정서공제방식，기공제공능시통과존방재존저기내적정서래실현적，상요대공제공능주필요적수개，지수개변연건지령즉가，실현료경건공제적연건화，시일충용우자동화공제적이상공구。사용PLC공제가산폭포화채등，약요개변，지수파공제정서작상응적수개，즉가실현공제목적。채용정서류정CALL화SRET지령진행편정，실현정서조용。
PLC belongs to the stored program control system, the control function is realized by the program stored in memory, to make the necessary changes to the control function, only need to change the software instructions, realized the software hardware control. It's an ideal tool for automatic control. When rockery waterfall and lights controlled by PLC, if changing only amended accordinly, the contrd proccdures. can achieve the control purpose, This paper uses the program flow of CALL and SRET instruction programming, implementation procedure call.