Date:* File:SSP1_05C.1SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation第4章STEP7的操作Date:* File:SSP1_05C.2SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation4.1 STEP7的硬件组态4.2 STEP7生成OB块4.3 STEP7生成FB块 4.4 STEP7生成FC块4.5 STEP7生成DB块4.6 STEP7生成VAT表4.7 PLCSIM仿真器Date:* File:SSP1_05C.3SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation4.1 STEP7的硬件组态 1.S7-300的参数分配Date:* File:SSP1_05C.4SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation2. S7-300 的存储器概念Date:* File:SSP1_05C.5SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation3. 启动STEP7 管理器（SIMATIC MANAGER） 新建或 打开文件新建STEP7 WIZARD: ”NEW PROJECT”打开原有的文件: “OPEN XXX”4. 选择SIMATIC300 STATION 进入硬件配置 （1）选择一个站 选择HARDWARE进入填写UR表 选择RACE进入近程扩展配置(激活UR0的CPU后点击RACE图标即可进入近程扩展配置）Date:* File:SSP1_05C.6SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation（2）插入一个站Date:* File:SSP1_05C.7SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation 启动硬件组态Date:* File:SSP1_05C.8SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation 产生硬件设定组态Date:* File:SSP1_05C.9SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation 模块地址设定“地址概况”Date:* File:SSP1_05C.10SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation5. 保存硬件组态文件与下载到PLC模块Date:* File:SSP1_05C.11SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation6. 上载硬件实际组态到编程器PGDate:* File:SSP1_05C.12SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation7. SIMATIC 管理器中显示硬件诊断Date:* File:SSP1_05C.13SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation4.2 STEP7生成OB块 1 启动SIMATIC MANAGER 点击鼠标右键 选择添加块 选择 OB块Date:* File:SSP1_05C.14SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation2 OB块种类及功能 （1）OB 1 循环的程序执行 （2）OB 100 STOP PUN 完全再启动（3）OB 1017 日期时间中断 （4）OB 3038 循环中断OB30，31，32 5.0 / 2.0 / 1.0SOB33，34，35 0.5 / 0.2 / 0.1SOB36，37，38 0.05 / 0.02 / 0.01S （5）OB 20 23 延时中断 （6）OB 40 43 硬件中断（7）OB 80 87 异步错误 （5）OB 121 122 同步错误Date:* File:SSP1_05C.15SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation3 OB 3038的设计 双击OB X块进入 在OBX块中编写定时中断程序 存盘 定时在线装入CPU 程序下载到PLC S7-TEST4-0 注意：也可以在初始化 程序中把定时装入CPU 如在OB100中：Date:* File:SSP1_05C.16SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation4.3 STEP7生成FB块 1 启动SIMATIC MANAGER 点击鼠标右键 选择添加块 选择FB块2 FB X设计 双击FB X块 进入FB X设计 存盘Date:* File:SSP1_05C.17SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation4.4 STEP7生成FC块 1 启动SIMATIC MANAGER 点击鼠标右键 选择添加块 选择FC块2 FC X设计 双击FC X块 进入FC X设计 存盘Date:* File:SSP1_05C.18SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation4.5 STEP7生成DB块 1 启动SIMATIC MANAGER 点击鼠标右键 选择添加块 选择DB块2 DB 类型设计 双击DB X块 选择DBX类型Date:* File:SSP1_05C.19SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation3. 通用型DB块设计 双击DB X块 选择通用型点击OK填写数据表 存盘Date:* File:SSP1_05C.20SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation4. FB型DB块设计 确认FB X已建立双击DB X块 选择FB型点击OKDate:* File:SSP1_05C.21SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation由FB 生成数据表修改数据表 Data View存盘Date:* File:SSP1_05C.22SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation4.6 STEP7生成VAT表 1 启动SIMATIC MANAGER 点击鼠标右键 选择添加块 选择VARIABLE TABLE 生成VAT1Date:* File:SSP1_05C.23SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation2 VAT X设计 双击VAT X块 进入VAT X设计 选择： SYMBOL TABLE填写变量表：存盘Date:* File:SSP1_05C.24SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation3 利用VAT 进行程序设计(S7-TEST4-1)Date:* File:SSP1_05C.25SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation4.7 STEP7的查询：右击要查询的模块进入2xDate:* File:SSP1_05C.26SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for Automation1.1 CPU 属性：通用项（特性，网络）Date:* File:SSP1_05C.27SIMATIC S7 Siemens AG 2000. All rights reserved.Information and Training Center Knowledge for