Date: * File No.: SSP1_03C.1SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation第7章 S7-300程序设计方法 （模拟量控制）Date: * File No.: SSP1_03C.2SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation7.1 S7-300的程序结构 7.2 系统设计的原则 7.3 系统设计的内容 7.4 程序设计的方法与过程 7.5 开关量控制系统的设计 7.6 关于模拟量I/O模块 7.7 模拟量控制系统的设计 7.8 关于乒乓控制 7.9 关于PID控制Date: * File No.: SSP1_03C.3SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation7.6 关于模拟量I/O模块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 500mV 1V 5V 10V 20mA 4.20mA 等DACPQW . 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 304T PQW 320 :模拟 执行器物理量.量程卡Date: * File No.: SSP1_03C.4SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation1 量程卡Date: * File No.: SSP1_03C.5SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation2 S7-300模拟量模块的寻址IM256to 270336to 350352to 366368to 382304to 318320to 334272to 286288to 302(发送) 槽口号 2 3 4 5 6 7 8 9 10 11 384to 398400to 414432to 446448to 462464to 478480to 494496to 510416to 430机架 1R 0电源 模块IM(接收) 电源 模块CPU512to 526528to 542544to 558560to 574576to 590592to 606608to 622624to 638机架 2IM(接收) 电源 模块机架 3640 to 654656 to 670672 to 686688to 702704to 718720to 734736to 750752to 766IM(接收) 电源 模块Date: * File No.: SSP1_03C.6SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation3 模拟量模块SM335 (输入)Date: * File No.: SSP1_03C.7SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation4 模拟模块SM335 (输出)Date: * File No.: SSP1_03C.8SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation5 模拟输入模块 SM331Date: * File No.: SSP1_03C.9SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation6 模拟量的表达方式和测量值的分辨率20212223242526272829210211212213214VZ16进制.位值十进制0123456789101112131415位的序号单位位的 分辨率 + 符号111*15*= 0 或 18000000001128*8402010840000000000000000000002164132116181412*91011121314Date: * File No.: SSP1_03C.10SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation7 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 10V电压 例如：= 11.75911.7589: 10.000410.007.50: -7.5 -10.00- 10.0004: - 11.759= 22.81522.810: 20.000520.000 16.000: 4.0003.9995: 1.1852= 1000.11000.0: 850.1850.0: -200.0- 200.1: - 243.0=352.778352.767: 300.011300.000 225.000: 0.000不允许 负值单位3276732511: 2764927648 20736: 0- 32768- 1: - 4864Date: * File No.: SSP1_03C.11SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation8 模拟输入量的规范化(可随模块带的软件块 FC105 )500,00,0 027648Date: * File No.: SSP1_03C.12SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation9 模拟量输出的规范化(可随模块带的软件块 FC106 )276480 0,0100,0Date: * File No.: SSP1_03C.13SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation10 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=3276732511: 2764927648: 0: - 6912- 6913: - 27648- 27649: - 32512=100 Q4.0=OFF Q4.1=ON PIW256=200 Q4.1=OFF Q4.2=OFF T1 T1=ON Q4.2=OFF Q4.3=ON PIW256=0 T2 T2=ON Q4.3=OFFDate: * File No.: SSP1_03C.25SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation（3）结构化软件设计（S7-PRO112） 系统结构OB1块Date: * File No.: SSP1_03C.26SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationOB1续Date: * File No.: SSP1_03C.27SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationOB1续Date: * File No.: SSP1_03C.28SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationOB1续Date: * File No.: SSP1_03C.29SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationFB1FC1Date: * File No.: SSP1_03C.30SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationFC2Date: * File No.: SSP1_03C.31SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationOB100Date: * File No.: SSP1_03C.32SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for AutomationDB1DB2Date: * File No.: SSP1_03C.33SIMATIC S7Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation系统仿真I0.0=ON PIW256=100 Q4.0=OFF Q4.1=ON PIW256=200 Q4.1=OFF Q4.2=OFF T1 T1=ON Q4.2=OFF