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Siemens SIMATIC S7-400H - Page 13

Siemens SIMATIC S7-400H
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Contents
xiii
Automation System S7-400H Fault-tolerant Systems
A5E00068197-07
8 Communication Functions 8-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.1 Fundamentals and Basic Concepts 8-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2 Suitable Networks 8-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2.1 Industrial Ethernet 8-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2.2 PROFIBUS 8-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3 Supported Communication Services 8-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4 Communications via Fault-tolerant S7 Connections 8-8. . . . . . . . . . . . . . . . . .
8.4.1 Communications between Fault-Tolerant Systems 8-10. . . . . . . . . . . . . . . . . . .
8.4.2 Communications between Fault-Tolerant Systems
and a Fault-Tolerant CPU 8-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4.3 Communications between Fault-Tolerant Systems and PCs 8-14. . . . . . . . . . .
8.5 Communications via S7 Connections 8-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.5.1 Communications via S7 Connections – One-Sided Mode 8-16. . . . . . . . . . . . .
8.5.2 Communications over Redundant S7 Connections 8-18. . . . . . . . . . . . . . . . . . .
8.5.3 Communications via a Point-to-Point CP on the ET 200M 8-19. . . . . . . . . . . . .
8.5.4 Random Connection with Single-channel Systems 8-20. . . . . . . . . . . . . . . . . . .
8.6 Communication Performance 8-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 Configuring with STEP 7 9-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.1 Installation of the Options Package 9-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2 Configuring with STEP 7 9-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2.1 Rules for Fitting a Fault-Tolerant Station 9-3. . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2.2 Configuring Hardware 9-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2.3 Assigning Parameters to Modules in a Fault-Tolerant Station 9-5. . . . . . . . . .
9.2.4 Recommendations for Setting the CPU Parameters 9-5. . . . . . . . . . . . . . . . . .
9.2.5 Configuring Networks 9-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.3 Programming Device Functions in STEP 7 9-8. . . . . . . . . . . . . . . . . . . . . . . . . .
10 Failure and Replacement of Components During Operation 10-1. . . . . . . . . . . . . . .
10.1 Failure and Replacement of Components in Central Racks
and Expansion Racks 10-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.1.1 Failure and Replacement of a Central Processing Unit
(Fault-Tolerant CPU) 10-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.1.2 Failure and Replacement of a Power Supply Module 10-5. . . . . . . . . . . . . . . . .
10.1.3 Failure and Replacement of an Input/Output or Function Module 10-6. . . . . . .
10.1.4 Failure and Replacement of a Communication Processor 10-7. . . . . . . . . . . . .
10.1.5 Failure and Replacement of a Synchronization Submodule
or Fiber-Optic Cable 10-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.1.6 Failure and Replacement of an IM 460 and IM 461 Interface Module 10-11. . .
10.2 Failure and Replacement of Components of the Distributed I/O 10-12. . . . . . . .
10.2.1 Failure and Replacement of a PROFIBUS-DP Master 10-13. . . . . . . . . . . . . . . .
10.2.2 Failure and Replacement of a Redundant PROFIBUS-DP
Interface Module 10-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.2.3 Failure and Replacement of a PROFIBUS-DP Slave 10-15. . . . . . . . . . . . . . . . .
10.2.4 Failure and Replacement of PROFIBUS-DP Cables 10-16. . . . . . . . . . . . . . . . . .

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