西门子基本指令的介绍

Date:2013-3-23File:SSP1_08C.1SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation位指令位指令位指令位指令I0.0I0.1Q8.0Q8.1SRSQRI1.2I1.3M0.0Q9.3I1.0(MCR)(MCRA)Q8.0I0.0I1.1()Date:2013-3-23File:SSP1_08C.2SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomationL1(Q4.0)S1(I0.0)S2(I0.1)L2(Q4.1)电路图基本逻辑指令：与基本逻辑指令：与基本逻辑指令：与基本逻辑指令：与,,,,或或或或I0.2I0.3=1=Q4.2OI0.2OI0.3=Q4.2I0.0I0.1Q4.0Q4.1LAD=Q4.0&I0.0I0.1=Q4.1FBDAI0.0AI0.1=Q4.0=Q4.1STLI0.2I0.3Q4.2L3(Q4.2)S3(I0.2)S4(I0.3)ORANDDate:2013-3-23File:SSP1_08C.3SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation基本逻辑指令：异或基本逻辑指令：异或基本逻辑指令：异或基本逻辑指令：异或((((XOR)XOR)XOR)XOR)XI0.4XI0.5=Q4.0I0.4I0.5XOR=Q4.0I0.4I0.5I0.4I0.5Q4.0LAD=1=Q4.0&I0.4I0.5&I0.4I0.5FBDSTLAI0.4ANI0.5OANI0.4AI0.5=Q4.0Date:2013-3-23File:SSP1_08C.4SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation常开和常闭触点，传感器和符号常开和常闭触点，传感器和符号常开和常闭触点，传感器和符号常开和常闭触点，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:AIx.ySTL:ANIx.ySTL:&FBD:LAD:常闭触点No0Yes1No0No0Yes1Yes1No0过程PLCPLCPLCPLC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Date:2013-3-23File:SSP1_08C.5SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation练习练习练习练习8.1:8.1:8.1:8.1:常开点与常闭点常开点与常闭点常开点与常闭点常开点与常闭点任务：当S1S1S1S1动作和S2S2S2S2不动作时，在所有三个例子中灯应该点亮!!!!I1.0I1.1Q4.0I1.0I1.1Q4.0.......I1.0.......I1.1.......Q4.0Q4.0I1.0I1.1&Q4.0I1.0I1.1&Q4.0I1.0I1.1&.......I1.0.......I1.1.......Q4.0.......I1.0.......I1.1.......Q4.0软件I1.0S1I1.1S2I1.0S1I1.1S2I1.0S1I1.1S2Q4.0可编程控制器LightLightLightQ4.0可编程控制器Q4.0可编程控制器FDBSTLLAD硬件I1.0I1.1Q4.0I1.0I1.1I1.0I1.1I1.0I1.1Date:2013-3-23File:SSP1_08C.6SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation赋值，置位，复位赋值，置位，复位赋值，置位，复位赋值，置位，复位(S)Q4.1I1.2I1.3I1.2&SQ4.1I1.3AI1.2AI1.3SQ4.1置位(R)Q4.1I1.4I1.4=1RQ4.1I1.5OI1.4OI1.5RQ4.1复位I1.5()Q4.0I1.0I1.1I1.0&=Q4.0I1.1AI1.0AI1.1=Q4.0赋值LADFBDSTLDate:2013-3-23File:SSP1_08C.7SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation触发器的置位触发器的置位触发器的置位触发器的置位////复位复位复位复位SRRQSI1.2I1.3M0.0=Q5.3复位优先SRSQRI1.2I1.3M0.0Q5.3AI1.2SM0.0AI1.3RM0.0AM0.0=Q5.3RSSQRI1.3I1.2M0.0=Q5.3置位优先RSRQSI1.3I1.2M0.0Q5.3AI1.3RM0.0AI1.2SM0.0AM0.0=Q5.3LADFBDSTLDate:2013-3-23File:SSP1_08C.8SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation连接器连接器连接器连接器LADI1.0I1.1()M0.0I2.0I2.1()M1.1NOT()Q4.0AI1.0AI1.1=M0.0AM0.0AI2.0AI2.1NOT=M1.1AM1.1=Q4.0STLI1.0I1.1&&I2.0I2.1M0.0M1.1Q4.0=FBDDate:2013-3-23File:SSP1_08C.9SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation练习练习练习练习8.2:8.2:8.2:8.2:基本逻辑操作指令基本逻辑操作指令基本逻辑操作指令基本逻辑操作指令Date:2013-3-23File:SSP1_08C.10SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation无条件跳转无条件跳转无条件跳转无条件跳转((((不依赖于不依赖于不依赖于不依赖于RLORLORLORLO))))(JMP)NEW1Network1Network2::::NetworkxNEW1()M69.0I2.7M5.5LADNEW1JMP................NEW1&M5.5I2.7=M69.0Network1Network2::::NetworkxFBDNetwork1JUNEW1Network2::::NetworkxNEW1:ANM5.5ANI2.7=M69.0STLDate:2013-3-23File:SSP1_08C.11SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation条件跳转条件跳转条件跳转条件跳转((((依赖于依赖于依赖于依赖于RLORLORLORLO))))AI0.0AI0.1JCNEW1NEW1I0.0I0.1&I0.0I0.1JMPNEW1(JMP)如果RLO=1就跳转AI0.2AI0.3JCNNEW2JMPNI0.2I0.3NEW2NEW2I0.2I0.3如果RLO=0就跳转(JMPN)&LADFBDSTLDate:2013-3-23File:SSP1_08C.12SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation数字指令数字指令数字指令数字指令CMP==IIN1IN2IW0IW2M0.0Q5.7T4S_ODTTVSQBCDBIRI0.7I0.5S5T#35sQ4.5MW0QW6Date:2013-3-23File:SSP1_08C.13SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation数据格式数据格式数据格式数据格式十进制BCD数数00000100012001030011401005010160110701118100091001101112131415110011017000000001580128+64841符号位数据类型整型例如205205205205+++十进制值:070158000000000000000000000000000000023163124指数(8位)尾数(23位)数据类型实数例如45.678945.678945.678945.6789符号位Date:2013-3-23File:SSP1_08C.14SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation数据格式数据格式数据格式数据格式(16(16(16(16位位位位))))BCDBCDBCDBCD整数BCDBCDBCDBCD28=256+0000000100101000151413121110987654321025=32+23=8=2960000001010010110296符号(+)1111010000010011413符号(-)W#16#F413W#16#F413W#16#F413W#16#F41327=128+1111111001100011151413121110987654321023=8+22=4=41228=256+24=16+-(412+1)=-413负数整数正数W#16#296W#16#296W#16#296W#16#296+296+296+296+296-413-413-413-413PGCPUDate:2013-3-23File:SSP1_08C.15SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation数据格式数据格式数据格式数据格式(32(32(32(32位位位位))))实数=+1,5*2126-127=0,75DW#16#296L#+296+0.75或+7.5E-10000000100101000000000000000000015141312111098765432103130292827262524232221201918171628=256+25=32+23=8=296整数(32位)=00000000000000000001111110100000实数符号151413121110987654321031302928272625242322212019181716e=指数(8Bit)f=底数(23Bit)实数的通用格式=(Sign)•(1.f)•(2e-127)20212223242526272-232-12-22-4.....2-30000000符号(+)0000001010010110296000000