MR820TRX

电动机M1驱动装料机加料，电动机M2驱动料车升降，电动机M3驱动卸料机卸料。

装卸线操作过程是：

①料车在原位，显示原位状态，按启动按钮，自动线开始工作；

②加料定时5s，加料结束；

③延时1s，料车上升；

④上升到位，自动停止移动；

⑤延时1s ,料车自动卸料；

⑥卸料10s,料车复位并下降；

⑦下降到原位，料车自动停止移动。

答：I/O信号的地址分配表、PLC现场器件实际接线图以及梯形图如下图所示。1KM控制装料电动机M1，2KM控制升降电动机M2正转，使料车上升，3KM控制升降电动机M2反转，使料车下降，4KM控制卸料电动机M3，5KM控制料车复位，6KM控制原位指示灯。

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