描述
(2)半自动单循环运行
①用手动操作将机械移至原点位置,然后按动起动按钮X26,动作状态从S5向S20转移,下降电磁阀的输出Y0动作,接着下限位开关X1接通。
②动作状态S20向S21转移,下降输出Y0切断,夹钳输出Y1保持接通状态。
③1秒后定时器T0动作,转至状态S22,上升输出Y2动作,不久到达上限位,X2接通,状态转移。
④状态S23为右行,输出Y3动作,到达右限位置,X3接通,转为S24状态。
⑤转至状态S24,下降输出Y0再次动作,到达下限位置,X1立即接通,接着动作状态由S24向S25转移。
⑥在S25状态,先将保持夹钳输出Y1复位,并启动定时器T1。
⑦夹钳输出复位1秒后状态转移到S26,上升输出Y2动作。
⑧到达上限位置X2接通,动作状态向S27转移,左行输出Y4动作。一旦到达左限位置,X4接通,动作状态返回S5,成为等待再起动的状态。
欧美品牌停产的,常用的“PLC”备品备件
我司产品应用于以下领域:
1,《发电厂DCS监控系统》
2,《智能平钢化炉系统制造》
3,《PLC可编程输送控制系统》
4,《DCS集散控制系统》
5,《智能型消防供水控制系统》
6,《化工厂药液恒流量计算机控制系统》
7,《电气控制系统》造纸,印染生产线,变电站综合自动化控制系列
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