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Step-7编程教程:从创建项目到下载上传
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更新于2024-07-24
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Step-7编程是西门子SIMATIC系列控制器(如S7)使用的高级编程语言,用于工业自动化项目的开发。本指南提供了详细的步骤来指导用户进行各种操作,包括:
1. **项目初始化**:首先,用户需要安装SIMATIC Step7软件包(如6ES7810-4CA10-8KW1),并了解其基本概念,以便为自动化项目奠定基础。
2. **编辑项目结构**:创建并管理项目结构,确保逻辑组织清晰,便于后期维护。这涉及到启动新项目、理解和使用不同版本的Step7编辑功能。
3. **符号和块定义**:学习如何定义和使用符号,包括创建逻辑块和数据块,这是构建程序的核心元素。用户需了解如何为数据块分配参数,以便于存储和操作数据。
4. **STL源文件创作**:STL是Step7的一种源代码格式,用户需要掌握如何编写和编辑这些文件,以实现具体的控制逻辑。
5. **监控和变量管理**:监控和控制现场设备是关键,通过设置变量,可以实时查看和调整过程变量,确保系统的正常运行。
6. **通信与数据交换**:通过在线连接,用户能设置CPU配置,实现与PLC或其他设备的数据下载和上传,这对于远程监控和故障诊断至关重要。
7. **测试与验证**:通过变量表、程序状态和模拟程序,进行功能测试,确保程序的正确性。诊断工具则用于检测和修复潜在问题。
8. **文档管理和存档**:对程序进行打印和归档,确保备份和合规性,满足法规要求。
9. **M7控制系统应用**:针对M7系列控制器,有特定的编程技巧和注意事项,适合不同的应用场景。
10. **安全提示与责任**:手册中包含安全警告,强调遵守操作规程以保障人身安全和防止财产损失,强调了只有合格的专业人员才能进行设备安装、调试和运行。
通过这份详细的Step-7编程手册,用户能够逐步掌握西门子工业自动化系统的设计、编程和维护流程,提升工作效率和项目成功率。
STEP 7
16 , 10/2010, A5E03290301-01
13.7 STL ......................................................................................................................296
13.7.1 STL ................................................................................................296
13.7.2 STL ........................................................................................................297
13.7.3 STL ...........................................................................................................299
13.7.4 STL ........................................................................................................302
13.7.5 STL ........................................................................................................305
13.7.6 STL .........................................................................................306
14 307
14.1 ............................................................................................................307
14.1.1 .................................................................................................................................309
14.1.2 .....................................................................................................................................310
14.1.3 .....................................................................................................................................312
14.1.4 ..............................................................................................................................314
14.1.5 ..........................................................................................................................315
14.1.6 LADFBD STL ..............................................................................................315
14.2 ...............................................................................................................316
14.2.1 ...................................................................................................................316
14.2.2 ........................................................................................................316
14.2.3 ...................................................................................................................317
14.2.4 ........................................................................................................318
14.2.5 ...................................................................................................................319
15 “” 323
15.1 ..............................................................................................................................323
15.2 .........................................................................................325
15.3 ...................................................................................................................326
15.4 ............................................................................................................327
15.5 ............................................................................................................327
15.6 UDT UDT ........................................................................328
15.7 UDT .............................................................................328
15.8 ...............................................................................................................328
16 331
16.1 .....................................................................................................................................331
16.1.1 ....................................................................................................331
16.1.2 ...............................................................................................................333
16.1.3 SIMATIC .............................................................................................................................335
16.1.4 .....................................................................................................................................336
16.1.5 ............................................................................................................337
16.1.6 ....................................................................................................339
16.1.7 ..........................................................................................................................340
16.1.8 STL ........................................................................................342
16.1.9 .................................................................................................................................342
16.1.10 CPU .........................................................................343
16.1.11 .............................................................................................344
16.2 ......................................................................................................................345
16.2.1 ........................................................................................................345
16.2.2 ........................................................................................................345
16.2.2.1 ()...........................................................................................346
16.2.2.2 ()...........................................................................................348
16.2.2.3 PCS 7 ().................................................................................................349
16.2.3 ....................................................................................................350
16.2.3.1 () ............................................................................350
16.2.4 ....................................................................................................351
STEP 7
, 10/2010, A5E03290301-01 17
16.3 CPU .................................................................................................................352
16.3.1 CPU ......................................................................................................352
16.3.2 ........................................................................................................353
16.3.2.1 ( CPU) .........................................................................................353
16.3.2.2 ( CPU) .........................................................................................356
16.3.2.3 PCS 7 ( CPU) ...............................................................................................356
16.3.3 ....................................................................................................358
16.3.3.1 (CPU )...........................................................................358
16.3.4 ........................................................................................................359
16.4 ......................................................................................................................360
16.4.1 ...............................................................................................................360
16.4.2 .................................................................................................363
16.4.3 .................................................................................................................................363
16.5 .................................................................................................364
16.5.1 ...................................................................................................................364
16.6 ......................................................................................................................366
16.6.1 .................................................................................................................................366
16.6.2 ..........................................................................................................................366
16.6.3 ...................................................................................................................367
16.6.4 .................................................................................................................................367
16.6.5 .................................................................................................................................368
16.7 .................................................................................................370
16.7.1 .................................................................................................370
16.8 CPU ....................................................................................371
16.8.1 CPU ...........................................................................................................................374
16.8.2 CPU .............................................................................................................374
16.9 ""....................................................................................................................375
16.9.1 ......................................................................................................................375
16.9.2 ""....................................................................................................................375
16.9.3 ...........................................................................................................377
16.9.4 ""....................................................................................................................381
16.9.5 ........................................................................................................383
16.9.6 OB .......................................................................................................................384
16.9.7 .................................................................................................................................386
16.9.8 ...........................................................................................................388
16.9.9 ""' .............................................................................................390
17 393
17.1 ........................................................................................................393
17.2 .....................................................395
17.3 .................................................................................................396
17.4 CFC ..................................................................................................397
17.5 ..............................................................................398
STEP 7
18 , 10/2010, A5E03290301-01
18 CPU 399
18.1 ..............................................................................................................................399
18.1.1 ""...........................................................................................399
18.1.2 .............................................................................................400
18.1.3 PLC .......................................................................................................401
18.1.4 .............................................................................................403
18.1.5 ..........................................................................................................................405
18.2 ...................................................................................................................406
18.3 ...............................................................................................................407
18.3.1 / CPU ...................................................................................407
18.4 ..............................................................................................................................409
18.4.1 .........................................................................................409
19 413
19.1 PG/PC ...............................................................................................413
19.1.1 .....................................................................................................................................413
19.1.2 ........................................................................................................415
19.1.3 CPU ............................................................................................416
19.1.4 ....................................................................................................418
19.1.5 .................................................................................................419
19.1.6 S7 CPU................................................................................................................422
19.1.6.1 ......................................................................................................................422
19.1.6.2 ...................................................................................................................422
19.1.6.3 ....................................................................................................422
19.1.6.4 EPROM ................................................................................................423
19.1.6.5 EPROM ...........................................................................................................424
19.2 PG ........................................................................................................425
19.2.1 ........................................................................................................425
19.2.2 ..........................................................................................................................427
19.3 PG/PC ...............................................................................................429
19.3.1 .........................................................................................................................................431
19.3.2 S7 CPU ......................................................................................................................432
19.3.3 PG/PC ......................................................................................................432
19.3.3.1 PG/PC .......................................................................................433
19.3.3.2 PG/PC ....................................................................................433
19.4 ...............................................................................................................434
19.4.1 / CPU ..............................................................................................434
19.4.2 S7 .....................................................................................................435
19.5 (RAM)................................................................................................................436
19.5.1 (RAM) ........................................................................................................436
19.5.2 S7 CPU ........................................................................................................437
20 439
20.1 .................................................................................................439
20.2 ......................................................................................440
20.3 ......................................................................................................................441
20.3.1 ......................................................................................................................441
20.3.1.1 ...............................................................................................................442
20.3.2 / .........................................................................................................................443
20.3.3 .................................................................................................................................443
STEP 7
, 10/2010, A5E03290301-01 19
20.4 ...................................................................................................................444
20.4.1 ........................................................................................................444
20.4.2 .................................................................................................446
20.4.3 .................................................................................................................................446
20.4.4 ..........................................................................................................................447
20.4.5 ..........................................................................................................................448
20.4.6 .................................................................................................................................448
20.4.7 ............................................................................................................................................449
20.4.7.1 ........................................................................................................449
20.4.7.2 ...........................................................................................................450
20.4.7.3 ...........................................................................................................451
20.5 CPU ....................................................................................................................453
20.6 .....................................................................................................................................454
20.6.1 ........................................................................................................454
20.6.2 ........................................................................................................454
20.7 .....................................................................................................................................456
20.7.1 ........................................................................................................456
20.7.2 ...................................................................................................................457
20.8 .....................................................................................................................................459
20.8.1 ....................................................................................................459
20.8.2 ........................................................................................................460
20.8.3 .................................................................................................462
21 463
21.1 ..............................................................................................................................464
21.2 / ...................................................................................................466
21.3 HOLD ..........................................................................................................................468
21.4 ......................................................................................................................469
21.4.1 ...................................................................................................................470
22 () 471
22.1 S7 PLCSIM () ..............................................................471
23 473
23.1 ...................................................................................................................473
23.2 ...............................................................................................................475
23.3 ...................................................................................................................477
23.3.1 ..............................................................................................................................477
23.3.2 ...............................................................................................................477
23.4 ...................................................................................................................478
23.4.1 ..............................................................................................................................478
23.4.2 ...............................................................................................................480
23.5 .....................................................................................................................................481
23.5.1 ...........................................................................................................481
23.5.2 ..............................................................................................................................482
23.5.3 ........................................................................................................484
23.5.4 Y PA DP .........................................................486
23.6 STOP ..........................................................................................................................488
23.6.1 STOP .......................................................................................................488
23.6.2 STOP ...............................................................................................................489
23.7 .............................................................................................490
23.7.1 .............................................................................................490
STEP 7
20 , 10/2010, A5E03290301-01
23.8 .................................................................................................................................491
23.8.1 SSL......................................................................................................................492
23.8.2 ......................................................................................................................495
23.8.3 .....................................................................................................................................496
23.9 ............................................................................................................497
23.9.1 RET_VAL.............................................................................................................498
23.9.2 OB .....................................................................................................499
23.9.3 ........................................................................................................504
23.9.4 I/O (OB70)....................................................................................................................506
23.9.5 CPU (OB72).................................................................................................................507
23.9.6 (OB80) .........................................................................................................................508
23.9.7 (OB81) .........................................................................................................................509
23.9.8 (OB82) .........................................................................................................................510
23.9.9 /(OB83)..........................................................................................................511
23.9.10 CPU (OB84).................................................................................................................512
23.9.11 (OB85)..................................................................................................................512
23.9.12 (OB86) .........................................................................................................................513
23.9.13 (OB87) .........................................................................................................................513
23.9.14 (OB121) .......................................................................................................................514
23.9.15 I/O (OB122)..................................................................................................................514
23.10 “”..................................................................................................515
23.10.1 ...............................................................................................................515
23.10.2 .....................................................................................................................................515
23.10.2.1 ..............................................................................................................................515
23.10.2.2 PROFIBUS ..................................................................................................................515
23.10.2.3 DP DB 125 ......................................................................................................518
23.10.2.4 PROFIBUS DP DB .................................................................................................518
23.10.2.5 PROFINET ..................................................................................................................520
23.10.2.6 IO 100 234 DB126 ................................................523
23.10.2.7 PROFINET IO DB ..................................................................................................524
23.10.2.8 DB...............................................................................................................................525
23.10.2.9 DB ................................................................................................................528
23.10.2.10 ......................................................................................................531
24 533
24.1 ..............................................................................................................................533
24.1.1 ..........................................................................................................................534
24.1.2 .....................................................................................................................................534
24.1.3 ....................................................................................................535
24.2 ...................................................................................................................536
24.2.1 /.............................................................................................................................537
24.2.2 .....................................................................................................................................538
24.2.3 /.............................................................................................................................538
25 M7 539
25.1 M7 ...........................................................................................................................539
25.2 M7 ....................................................................................................................541
25.3 M7-300/M7-400 ...........................................................................................................543
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