模拟量处理课件

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Drives模拟量处理液位

变送器

高液位低液位Date:File:2023/11/25Analog.2SIMATIC®

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Drives目标学习了本章之后，你将..................了解模拟量处理的原理能够使用“HW

Config“工具给模拟量模板赋值并能够设置模板的量程卡模块到正确位置能够给模拟量模板编址能够解释模板的分辨率能够在程序中处理模拟量的结果Date:File:2023/11/25Analog.3SIMATIC®

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Drives模拟量模板的用途生产过程模拟量输入模板CPU物理量 标准的模拟信号传感器

变送器压力

±

500mV温度

±

1V流量

±

5V速度

±

10VpH值

±

20mA粘性

4...20mA等

等物理量

模拟执行器结果

存储器PIW...MR

ADC

PIW

...模块

:::PIW...模拟量输出模板PQW...DAC

PQW...:::PQW...::::::L

PIW

304...................T

PQW

320:Date:File:2023/11/25Analog.4SIMATIC®

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Drives量程卡Date:File:2023/11/25Analog.5SIMATIC®

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DrivesDate:File:2023/11/25Analog.6SIMATIC®

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Drives模拟输入模板SM335(输入)SM331Date:File:2023/11/25Analog.7SIMATIC®

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DrivesSM335(输出)模拟输出模板SM332Date:File:2023/11/25Analog.8SIMATIC®

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DrivesDate:File:2023/11/25Analog.9SIMATIC®

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Drives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电压

例如：测量范围±

10V单位>=11.7593276711.758932511::10.00042764910.00276487.502073600-7.50-20736-10.00-27648-

10.0004-

27649::-

11.759-

32512<=

-

11.76-

32768电流

例如：测量范围4

..

20mA单位>=22.8153276722.81032511::20.00052764920.0002764816.00020736::::4.00003.9995-

1::1.1852-

4864<=1.1845-

32768温度例如Pt100测量范围-200...+850ºC单位>=1000.1327671000.010000::850.18501850.08500:::-2000:::-200.0-

200.1-

2001::-

243.0-

2430<=

-

243.1-

32768电阻

例如：测量范围0...300Ohm单位>=352.77832767352.76732511::300.01127649300.00027648225.00020736::::0.0000不允许负值-

1:-

4864-

32768Date:File:2023/11/25Analog.10SIMATIC®

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Drives模拟输出量的表达形式范围单位超上限>=32767超上界32511:2764927648:0:额定范围-

6912-

6913:::-

27648超下界-

27649:-

32512超下限<=-

32513电压输出范围：0

to

10V1

to

5V±

10V00011.7589:10.00045.8794:5.000211.7589:10.000410.0000:05.0000:1.000010.0000:0:::::::-10.000000.999900-

10.0004:-

11.75890电流输出范围：0

to

20mA4

to

20mA±

20mA00023.515:20.000722.81:20.00523.515:20.000720.000:020.000:4.00020.000:0:::::::-20.00003.999500-

20.007:-

23.5150Date:File:2023/11/25Analog.11SITRAIN

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DrivesS7-300模拟量模板的寻址槽口号

2SIMATIC®

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reserved.34567891011机架1机0机架2机架3电源模板IM(接收)640to654656to670672to686688to702704to718720to734736to750752to766电源模板IM(接收)512to526528to542544to558560to574576to590592to606608to622624to638电源模板IM(接收)384to398400to414416to430432to446448to462464to478480to494496to510架电源模板CPUIM(发送)256to270272to286288to302304to318320to334336to350352to366368to382Date:

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Drives模拟输入量的规范化LO_LIM

=

0.0027648-27648B27648

LO_LIM

=

0.00SIMATIC®

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reserved.A单向(M

0.0=´0´)(传感器只提供正电压)OUTHI_LIM

=

500.0ININ双向(M

0.0=´1´)(传感器也提供负电压)OUTHI_LIM

=

500.0x

x+1Δx

x+1ΔDate:File:2023/11/25Analog.13SIMATIC®

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Drives模拟量输出的规范化2764800.0(LO_LIM)100.0(HI_LIM)INOUT0.0(LO_LIM)100.0(HI_LIM)IN-27648AB单向(M

0.0=´0´)(只提供正电压给执行器)双向(M

0.0=´1´)(提供正负电压给执行器)OUT27648

0Date:File:2023/11/25Analog.14SIMATIC®

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Drives练习:配置模拟量模板SM335Date:File:2023/11/25Analog.15SIMATIC®

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DrivesDate:File:2023/11/25Analog.16SIMATIC®

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Drives练习:用诊断中断的硬件诊断双击Date:File:2023/11/25Analog.17SIMATIC®

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Drives练习:

被传送的零件的记录和重量显示AI2AI1重量0至500kg-15V...+15VAI1

AI2

AO1AO20

10V模拟器0...10VPIW304AI

模板0...27648QW

6DO模板0至500

kgBCD显示0123重量显示当I

0.6=´1´Date:File:2023/11/25Analog.18SIMATIC®

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