Siemens SIMATIC PCS 7 System Manual page 12

Table of contents
Figure 16-12 Example of redundancy with fault-tolerant systems and a redundant bus system with re-
dundant standard connections ................................................................................................... 260
Figure 16-13 Example of connecting a fault-tolerant system to a single-channel third-party system via
switched PROFIBUS DP ............................................................................................................ 261
Figure 16-14 Example of connecting a fault-tolerant system to a single-channel third-party system via
PROFINET IO with system redundancy .................................................................................... 261
Figure 16-15 Example of linking a fault-tolerant system to a single-channel third-party system .................... 262
Figure 16-16 Example of redundancy with fault-tolerant system and redundant ring ..................................... 266
Figure 16-17 Example of redundancy with fault-tolerant system and redundant bus system ......................... 266
Figure 16-18 Example of fault-tolerant system with additional CP redundancy .............................................. 267
Figure 16-19 Example of redundancy with fault-tolerant system and fault-tolerant CPU ............................... 268
Figure 16-20 Example of redundancy with fault-tolerant system and redundant bus system ......................... 270
Figure 16-21 Example of redundancy with a fault-tolerant system, redundant bus system and redun-
dant connection to the PC. ......................................................................................................... 270
Figure 16-22 Sequence of link-up and update ................................................................................................ 275
Figure 16-23 Update sequence ....................................................................................................................... 276
Figure 16-24 Example of minimum signal duration of an input signal during the update ............................... 277
Figure 16-25 Redundant one-sided and switched I/O ..................................................................................... 284
Figure 16-26 Flow chart for OB 1 .................................................................................................................... 286
Figure 16-27 Elements and composition of the cycle time .............................................................................. 289
Figure 16-28 Formula: Influence of communication load ................................................................................ 293
Figure 16-29 Distribution of a time slice .......................................................................................................... 293
Figure 16-30 Dependency of the cycle time on communication load .............................................................. 294
Figure 16-31 DP cycle times on the PROFIBUS DP network ......................................................................... 296
Figure 16-32 Shortest response time .............................................................................................................. 297
Figure 16-33 Longest response time ............................................................................................................... 298
Figure A-1 MDT ............................................................................................................................................ 312
Figure A-2 MTBF .......................................................................................................................................... 313
Figure A-3 Common Cause Failure (CCF) .................................................................................................. 314
Figure A-4 Availability .................................................................................................................................. 315
Figure C-1 Interconnection example for SM 331, Al 8 x 0/4...20mA HART ................................................. 325
Figure C-2 Interconnection example for SM 322, Al 8 x 0/4...20mA HART ................................................. 326
Figure C-3 Example of an interconnection with SM 321; DI 16 x DC 24 V.................................................. 327
Figure C-4 Example of an interconnection with SM 321; DI 32 x DC 24 V.................................................. 328
Figure C-5 Example of an interconnection with SM 321; DI 16 x AC 120/230 V ......................................... 329
Figure C-6 Example of an interconnection with SM 321; DI 8 x AC 120/230 V ........................................... 330
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CPU 410-5H Process Automation/CPU 410 SMART
System Manual, 09/2014, A5E32631667-AB