Siemens SIMATIC S7-400H System Manual page 14

Table of contents
Table 14- 1 Communication services of the CPUs .......................................................................................213
Table 14- 2 Availability of connection resources...........................................................................................214
Table 14- 3 SFBs for S7 Communication......................................................................................................216
Table 14- 4 Job lengths and "local_device_id" parameter ............................................................................229
Table 17- 1 Modifiable CPU parameters .......................................................................................................323
Table 18- 1 Accessory fiber-optic cable ........................................................................................................349
Table 18- 2 Specification of fiber-optic cables for indoor applications ..........................................................350
Table 18- 3 Specification of fiber-optic cables for outdoor applications........................................................352
Table 19- 1 Cyclic program processing.........................................................................................................356
Table 19- 2 Factors influencing cycle time ....................................................................................................358
Table 19- 3 Portion of the process image transfer time, CPU 412-5H..........................................................359
Table 19- 4 Portion of the process image transfer time, CPU 414-5H..........................................................360
Table 19- 5 Portion of the process image transfer time, CPU 416-5H..........................................................361
Table 19- 6 Portion of the process image transfer time, CPU 417-5H..........................................................362
Table 19- 7 Extending the cycle time ............................................................................................................362
Table 19- 8 Operating system execution time at the cycle control point.......................................................363
Table 19- 9 Extended cycle time due to nested interrupts ............................................................................363
Table 19- 10 Direct access of the CPUs to I/O modules in the central rack ...................................................373
Table 19- 11 Direct access of the CPUs to I/O modules in the expansion unit with local link ........................374
Table 19- 12 Direct access of the CPUs to I/O modules in the expansion unit with remote link, setting
100 m .........................................................................................................................................374
Table 19- 13 Example of calculating the response time .................................................................................375
Table 19- 14 Process and interrupt response times; maximum interrupt response time without
communication ...........................................................................................................................379
Table 19- 15 Reproducibility of time-delay and cyclic interrupts of the CPUs ................................................382
Table 20- 1 Runtimes of the blocks for redundant I/Os.................................................................................432
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System Manual, 03/2012, A5E00267695-11
S7-400H