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Hauptteiltext,Zweite Ebene,Dritte Ebene,Folientitel,Date:,2024/9/16,File:SSP2_03C.,16,SIMATIC S7,Siemens AG 2000. All rights reserved.,Information and Training Center,Knowledge for Automation,模拟量处理,液位,变送器,低液位,模拟量模块的用途,生产过程,物理量,标准的模拟,信号,传感器,变送器, 压力,温度,流量,速度,pH,值,粘性,等, 500,mV, 1V, 5V, 10V, 20mA,4.20mA,等,DAC,PQW .,PQW .,:,PQW .,模拟量输出模块,MR,模块,ADC,结果,存储器,PIW .,PIW .,:,PIW .,模拟量输入模块,CPU,:,:,:,:,:,:,L PIW 304,T PQW 320,:,模拟,执行器,物理量,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,量程卡,S7-300,模拟量模块的寻址,IM,256,to,270,336,to,350,352,to,366,368,to,382,304,to,318,320,to,334,272,to,286,288,to,302,(发送,),槽口号,2 3 4 5 6 7 8 9 10 11,384,to,398,400,to,414,432,to,446,448,to,462,464,to,478,480,to,494,496,to,510,416,to,430,机架,1,R,0,电源,模块,IM,(接收,),电源,模块,CPU,512,to,526,528,to,542,544,to,558,560,to,574,576,to,590,592,to,606,608,to,622,624,to,638,机架,2,IM,(接收,),电源,模块,机架,3,640,to,654,656,to,670,672,to,686,688,to,702,704,to,718,720,to,734,736,to,750,752,to,766,IM,(接收,),电源,模块,模拟量模块,SM335,(,输入,),模拟模块,SM335,(,输出,),模拟输入模块,SM331,模拟量的表达方式和测量值的分辨率,2,0,2,1,2,2,2,3,2,4,2,5,2,6,2,7,2,8,2,9,2,10,2,11,2,12,2,13,2,14,VZ,16,进制,.,位值,十进制,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,位的序号,单位,位的,分辨率,+,符号,1,1,1,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,15,*,=,0,或,1,80,0,0,0,0,0,0,0,1,128,*,*,*,*,*,*,*,*,8,40,20,10,8,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,1,64,1,32,1,16,1,8,1,4,1,2,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,9,10,11,12,13,14,在不同测量范围下模拟量的表达方式,范围,超上限,超上界,额定范围,超下界,超下限,测量范围, 10,V,电压,例如：,= 11.759,11.7589,:10.0004,10.00,7.50 :,-7.5,-10.00,- 10.0004,:- 11.759,= 22.815,22.810,:20.0005,20.000,16.000 :,:,4.000,3.9995,:1.1852,= 1000.1,1000.0,:850.1,850.0,: :,:,-200.0,- 200.1,:- 243.0,=352.778,352.767,:300.011,300.000,225.000 :,:,0.000,不允许,负值,单位,32767,32511,:27649,27648,20736 :,:,0,- 32768,- 1,:- 4864,模拟输入量的规范化,500,0,0,0,0,27648,模拟量输出的规范化,27648,0,0,0,100,0,模拟输出量的表达形式,范围,超上限,超上界,额定范围,超下界,超下限,单位,=32767,32511,:27649,27648,:0,:,- 6912,- 6913,:,:,:,- 27648,- 27649,:- 32512,=- 32513,输出范围：,电压,0,11.7589,:10.0004,10.0000,: 0,0,to 10V,1,to 5V,0,5.8794,:5.0002,5.0000,:1.0000,0,11.7589,:10.0004,10.0000,: 0,:,:,:,:,:,:,:,-10.0000,- 10.0004,:- 11.7589,0, 10,V,0,0.9999,0,0,输出范围：,电流,0,23.515,:20.0007,20.000,: 0,0,to 20mA,4,to 20mA,0,22.81,:20.005,20.000,:4.000,0,23.515,:20.0007,20.000,: 0,:,:,:,:,:,:,:,-20.000,- 20.007,:- 23.515,0, 20,mA,0,3.9995,0,0,练习3.1,:,配置,模拟量模块,SM335,练习3.2,:,配置模拟量模块,SM331,练习3.3,:,控制罐的液位,液位,传感器,最低液位设定为,50,L，,当实测液位低于该值时，,通过,Q 5.2,输出一个信息。,最高液位,600,L，,对应通道,0,上的,10,V,模拟量,练习3.4: 结构化的极限监视功能,FB120,ACTV,HL,LL,HYS,QH,QL,LIMIT,模拟变量,的实际值,HL,LL,HYS,HYS,QH,QL,t,功能,符号,LO_LIM,HI_LIM,
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