CAJ | 학술논문

针对西门子S7－300可编程控制器系统自带传统的定时器不够用、定时器时间受限或特殊情况下编程不方便等问题，研究出基于西门子IEC定时器的多功能定时器功能块。实际应用表明，该功能块不但解决了传统定时器不够用的问题而且大幅度提高了编程人员的工作效率。
침대서문자S7－300가편정공제기계통자대전통적정시기불구용、정시기시간수한혹특수정황하편정불방편등문제，연구출기우서문자IEC정시기적다공능정시기공능괴。실제응용표명，해공능괴불단해결료전통정시기불구용적문제이차대폭도제고료편정인원적공작효솔。
According to the Siemens S7-300 programmabIe controI er system with the traditionaI timer is not enough,the timer time-constrained or programming is not convenient on speciaI circumstances.Based on Siemens IEC timer muItifunction timer function bIock is researched.PracticaI appIication show that,the functionaI bIock has not onIy soIved the probIem that the traditionaI timer is not enough but aIso greatIy improved the programming efficiency.