自动售货机PLC 设计 目录 一、引言··································································1 二、控制要求······························································2 三、设计任务······························································2 四、系统总体方案设计方案 4
1 系统硬件配置及组成原理··············································3 4
2 系统变量定义及分配表·················································3 4
3 系统接线图设计·······················································4 4
4 系统可靠性设计························································4 五、控制系统设计 5
1 控制程序流程图设计····················································5 5
2 控制程序时序图设计····················································6 5
3 控制程序设计思路······················································7 5
4 编程系统的调试························································7 5
5 创新设计内容····
