Table of contents
S7-400H
System Manual, 03/2012, A5E00267695-11
17
Figure 18-1 Synchronization module.............................................................................................................342
Figure 18-2 Fiber-optic cables, installation using distribution boxes.............................................................353
Figure 19-1
Elements and c
omposition of the cycle time..............................................................................357
Figure 19-2
Different cyc
le 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
Depend
ency of the cycle time on communication load .............................................................368
Figure 19-7
DP cycl
e 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
Over
view: System structure for system modifications during operation....................................451
Figure E-1
Example of an interconn
ection with SM 321; DI 16 x DC 24 V .................................................461
Figure E-2
Example of an interconn
ection with SM 321; DI 32 x DC 24 V .................................................462
Figure E-3
Example of an interconn
ection 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 interconn
ection with SM 321; DI 16 x DC 24V ..................................................465
Figure E-6
Example of an interconn
ection 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
Exampl
e of an interconnection with SM 326; DI 8 x
NAMUR....................................................468
Figure E-9
Example of an interconn
ection with SM 326; DI 24 x DC 24 V .................................................469
Figure E-10
Exampl
e of an interconnection with SM 421; DI 32 x UC 120 V ...............................................470
Figure E-11
Exampl
e of an interconnection with SM 421; DI 16 x 24 V........................................................471
Figure E-12
Exampl
e of an interconnection with SM 421; DI 32 x 24 V........................................................472
Figure E-13
Exampl
e of an interconnection with SM 421; DI 32 x 24 V........................................................473
Figure E-14
Exampl
e of an interconnection with SM 322; DO 8 x DC 24 V/2 A ...........................................474
Figure E-15
Exampl
e of an interconnection with SM 322; DO 32 x DC 24 V/0.5 A ......................................475
Figure E-16
Exampl
e of an interconnection with SM 322; DO 8 x AC 230 V/2 A .........................................476
Figure E-17
Exampl
e of an interconnection with SM 322; DO 16 x DC 24 V/10 mA [EEx ib].......................477
Figure E-18
Exampl
e of an interconnection with SM 322; DO 16 x DC 15 V/20 mA [EEx ib].......................478
Figure E-19
Exampl
e of an interconnection with SM 322; DO 8 x DC 24 V/0.5 A ........................................479
Figure E-20
Exampl
e of an interconnection with SM 322; DO 16 x DC 24 V/0.5 A ......................................480