时间是现代社会中不可缺少的一项参数,无论是平时生活还是社会生产都需要对 时间进行控制,有的场合对其精确性还有很高的要求.采用单片机进行计时-Time is indispensable to modern society of the parameters, whether living or social production are usually required to control the time, and some occasions, there is a high demand

西门子s7200累计时间子程序带参数计时功能，由于其功能限制不可简单实现，研究很久后用以上程序可以解决此问题-Siemens s7200 cumulative time subroutine with parameters timing function, due to its functional limitations can not be simple to achieve, the research long after the above procedure can solve thi