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1、Date:* File:PRO1_08C.1SIMATIC S7 Siemens AG 1999. All rights reserved.Information and Training Center Knowledge for Automation符号Date:* File:PRO1_08C.2SIMATIC S7 Siemens AG 1999. All rights reserved.Information and Training Center Knowledge for Automation绝对寻址和符号寻址AI 0.0=Q4.0AI 0.4=Q8.5CallFC18A“PLANT
2、_ON”=“ON_INDIC”A“M_FORW”=“MOTOR_FORW”Call“COUNT”Symbol AddressData Type Comment MOTOR_FORWCOUNTPLANT_ONON_INDICM_FORWQ8.5FC18I 0.0Q4.0I 0.4BOOLFC18BOOLBOOLBOOLMotor forwards Count bottlesSwitch on plantIndicator: Plant is “On”M.-con. switch: Motor forwards(最多 24 个字符)(最多 80 个字符)Date:* File:PRO1_08C.3
3、SIMATIC S7 Siemens AG 1999. All rights reserved.Information and Training Center Knowledge for Automation局部数据块:块的声明表 程序编辑器 - 块参数 - 局部 /临时数据跳转标号块的代码区程序编辑器符号寻址 - 概述何处使用符号?它们存放在何处? 如何建立它们?全局数据:符号表符号编辑器 - 输入 - 输出 - 位存储器、定时器、计数器 - 外设 I/O数据块组成DB的声明表程序编辑器块名称:符号表符号编辑器 - FB - FC - DB - VAT - UDTDate:* File:PR
4、O1_08C.4SIMATIC S7 Siemens AG 1999. All rights reserved.Information and Training Center Knowledge for Automation打开符号表Date:* File:PRO1_08C.5SIMATIC S7 Siemens AG 1999. All rights reserved.Information and Training Center Knowledge for Automation编辑：查找与替换 Date:* File:PRO1_08C.6SIMATIC S7 Siemens AG 1999
5、. All rights reserved.Information and Training Center Knowledge for Automation查看：过滤器 Date:* File:PRO1_08C.7SIMATIC S7 Siemens AG 1999. All rights reserved.Information and Training Center Knowledge for Automation查看：排序Date:* File:PRO1_08C.8SIMATIC S7 Siemens AG 1999. All rights reserved.Information an
6、d Training Center Knowledge for Automation符号表：导出要把表存到何处 ?把表存成何种格式?Date:* File:PRO1_08C.9SIMATIC S7 Siemens AG 1999. All rights reserved.Information and Training Center Knowledge for Automation符号表：导入这里选择目录路径输入文件名选择格式Date:* File:PRO1_08C.10SIMATIC S7 Siemens AG 1999. All rights reserved.Information an
7、d Training Center Knowledge for Automation编辑符号 (在 LAD/STL/FBD 编辑器中)Date:* File:PRO1_08C.11SIMATIC S7 Siemens AG 1999. All rights reserved.Information and Training Center Knowledge for Automation符号信息 (在 LAD/STL/FBD 编辑器中)Date:* File:PRO1_08C.12SIMATIC S7 Siemens AG 1999. All rights reserved.Informatio
8、n and Training Center Knowledge for Automation符号选择 (在 LAD/STL/FBD 编辑器中)Date:* File:PRO1_08C.13SIMATIC S7 Siemens AG 1999. All rights reserved.Information and Training Center Knowledge for Automation符号优先Symbol TableOld Entry: Plant ON = Q8.0New Entry: Plant ON = Q4.0优先： 绝对地址优先： 符号Date:* File:PRO1_08C
9、.14SIMATIC S7 Siemens AG 1999. All rights reserved.Information and Training Center Knowledge for Automation：为FC 15建立符号表Plant On Manual Mode Automatic Mode Conveyor Forward Conveyor Backward Start Stop Jog Forward Jog Backward Automatic/Manual Enter ModeQ 8.1 Q 8.2 Q 8.3 Q 20.5 Q 20.6 I 0.0 I 0.1 I 0.2 I 0.3 I 0.4 I 0.5Q 4.1 Q 4.2 Q 4.3 Q 8.5 Q 8.6 I 0.0 I 0.1 I 0.2 I 0.3 I 0.4 I 0.5符号地址 (A版)地址 (B版)
