(MCR<)(MCRA)()L1()S1()S2()L2()电路图基本逻辑指令:与,>=1= = =&= = = ()S3()S4()ORAND基本逻辑指令:异或(XOR)X = =>=1=&& = ,传感器和符号输入端的信号状态检查信号状态“1”符号/指令检查结果检查信号状态“0”符号/指令检查结果有输入端有电压吗?无有无101Yes1LAD:常开触点0&FBD:::&FBD:LAD:常闭触点No0Yes1No0No0Yes1Yes1No0过程PLC程序中的解释动作不动作传感器是...动作不动作常开触点传感器是...常闭触点赋值,置位,复位(S)&(R)>=()&==.====()()() I I = M M I I = M M = Q &&===&()(SAVE)SAVE&=()=(不依赖于RLO)(JMP)work2::::NetworkxNEW1()....NEW1&=::::work1 work2::::NetworkxNEW1: =(依赖于RLO)&(JMP)如果RLO=1=0就跳转(JMPN)&LADFBDSTL
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