Siemens SIMATIC S7-400H System Manual page 17
Fault-tolerant systems
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- System manual (376 pages) ,
- Manual (337 pages) ,
- Manual (10 pages)
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Figure 18-1
Synchronization module.............................................................................................................342
Figure 18-2
Fiber-optic cables, installation using distribution boxes.............................................................353
Figure 19-1
Elements and composition of the cycle time..............................................................................357
Figure 19-2
Different cycle times...................................................................................................................364
Figure 19-3
Minimum cycle time ...................................................................................................................365
Figure 19-4
Formula: Influence of communication load ................................................................................366
Figure 19-5
Distribution of a time slice ..........................................................................................................366
Figure 19-6
Dependency of the cycle time on communication load .............................................................368
Figure 19-7
DP cycle times on the PROFIBUS DP network .........................................................................370
Figure 19-8
Shortest response time ..............................................................................................................371
Figure 19-9
Longest response time...............................................................................................................372
Figure A-1
MDT ...........................................................................................................................................436
Figure A-2
MTBF .........................................................................................................................................437
Figure A-3
Common Cause Failure (CCF) ..................................................................................................438
Figure A-4
Availability ..................................................................................................................................439
Figure B-1
Overview: System structure for system modifications during operation ....................................451
Figure E-1
Example of an interconnection with SM 321; DI 16 x DC 24 V .................................................461
Figure E-2
Example of an interconnection with SM 321; DI 32 x DC 24 V .................................................462
Figure E-3
Example of an interconnection with SM 321; DI 16 x AC 120/230 V.........................................463
Figure E-4
Example of an interconnection with SM 321; DI 8 x AC 120/230 V...........................................464
Figure E-5
Example of an interconnection with SM 321; DI 16 x DC 24V ..................................................465
Figure E-6
Example of an interconnection with SM 321; DI 16 x DC 24V ..................................................466
Figure E-7
Example of an interconnection with SM 326; DO 10 x DC 24V/2A ...........................................467
Figure E-8
Example of an interconnection with SM 326; DI 8 x NAMUR....................................................468
Figure E-9
Example of an interconnection with SM 326; DI 24 x DC 24 V .................................................469
Figure E-10
Example of an interconnection with SM 421; DI 32 x UC 120 V ...............................................470
Figure E-11
Example of an interconnection with SM 421; DI 16 x 24 V........................................................471
Figure E-12
Example of an interconnection with SM 421; DI 32 x 24 V........................................................472
Figure E-13
Example of an interconnection with SM 421; DI 32 x 24 V........................................................473
Figure E-14
Example of an interconnection with SM 322; DO 8 x DC 24 V/2 A ...........................................474
Figure E-15
Example of an interconnection with SM 322; DO 32 x DC 24 V/0.5 A ......................................475
Figure E-16
Example of an interconnection with SM 322; DO 8 x AC 230 V/2 A .........................................476
Figure E-17
Example of an interconnection with SM 322; DO 16 x DC 24 V/10 mA [EEx ib].......................477
Figure E-18
Example of an interconnection with SM 322; DO 16 x DC 15 V/20 mA [EEx ib].......................478
Figure E-19
Example of an interconnection with SM 322; DO 8 x DC 24 V/0.5 A ........................................479
Figure E-20
Example of an interconnection with SM 322; DO 16 x DC 24 V/0.5 A ......................................480
S7-400H
System Manual, 03/2012, A5E00267695-11
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