基础指令 · 三菱FX-3U PLC教程

# I/O地址分配 ![](https://img.kancloud.cn/14/41/14411c3239112185d7a5381ff15af371_1920x1080.png) # 常开常闭线圈 ![](https://img.kancloud.cn/a3/04/a304df2bb00c720c74de45c99aece812_1920x1080.png) # 自锁电路 ![](https://img.kancloud.cn/9d/73/9d73586d1c473601c6c5e207c9cb9741_1920x1080.png) # 双按钮启停电路 ![](https://img.kancloud.cn/18/a5/18a5ae1e468ac2051bb7324cd5fecf7a_1920x1080.png) # PLC程序执行三步骤 ![](https://img.kancloud.cn/98/11/98116597a1044a35fc3a76dcd4aff8a0_1920x1080.png) # 置位复位指令SET RST指令 ## 置位指令用在只管通不管断的情况下，结束用RST指令复位 ![](https://img.kancloud.cn/d6/2f/d62fce0d224865191afb6aa87f05f835_1920x1080.png) # 区域复位指令ZRST ![](https://img.kancloud.cn/28/f7/28f76204434a738671358b5e4c8f4634_1920x1080.png) # 上升沿与下降沿 ![](https://img.kancloud.cn/04/77/047750d29787d3b5c21bfe958c88b906_1920x1080.png) # MEP MEF ![](https://img.kancloud.cn/11/f6/11f67ffc174cb09ab21c4c7410bc4c6a_1920x1080.png) # PLS PLF ![](https://img.kancloud.cn/7c/67/7c67c0e60638485727472a808352aafd_1920x1080.png) # INV ![](https://img.kancloud.cn/78/b2/78b22e78bc74e62320273878dfb3e543_1920x1080.png)