Siemens Simatic S7-400

Contents
xii
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
8.6 Assembling an MPI Subnet or PROFIBUS-DP Subnet 8-30. . . . . . . . . . . . . . . .
8.7 Preparing for Operation 8-32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.7.1 Connecting the Operator Panels and I/O Devices 8-33. . . . . . . . . . . . . . . . . . . .
8.7.2 Connecting a Programming Device (PG) to the COM Interface 8-36. . . . . . . .
8.7.3 Connecting a Programming Device (PG) to the M7-400 8-39. . . . . . . . . . . . . . .
8.7.4 Connecting a Programming Device (PG) to Two or More Nodes 8-40. . . . . . .
8.7.5 Connecting a Programming Device (PG) to Ungrounded Nodes of an MPI
Subnet 8-43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.7.6 Starting Up a PROFIBUS-DP Subnet 8-44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.7.7 Checking the Status and Error Indicators 8-45. . . . . . . . . . . . . . . . . . . . . . . . . . .
8.8 Replacing Modules and Submodules/Cards 8-46. . . . . . . . . . . . . . . . . . . . . . . . .
8.8.1 Replacing an Interface Module 8-47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.8.2 Replacing the CPU or Expansion Modules of a Module Assembly 8-49. . . . . .
8.8.3 Replacing Memory Cards in a CPU 8-54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.8.4 Replacing a Short AT Card 8-56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A Assembling and Installing Systems A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.1 Principles of System Installation for EMC A-2. . . . . . . . . . . . . . . . . . . . . . . . . . .
A.2 Installation of Programmable Controllers for EMC A-6. . . . . . . . . . . . . . . . . . . .
A.3 Cabling Inside Buildings A-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.4 Cabling Outside Buildings A-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.5 Lightning Protection and Overvoltage Protection A-14. . . . . . . . . . . . . . . . . . . . .
A.5.1 Lightning Protection Zone Concept A-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.5.2 Rules for the Transition between Lightning Protection Zones 0 and 1 A-17. . .
A.5.3 Rules for the Transitions between Lightning Protection Zones
greater than 0 <->1 A-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.5.4 Example Circuit for Surge Protection of Networked S7-400s A-21. . . . . . . . . . .
A.6 Interference-Free Connection of Monitors A-23. . . . . . . . . . . . . . . . . . . . . . . . . . .
B Guidelines for Handling Electrostatically-Sensitive Devices (ESD) B-1. . . . . . . . .
B.1 What is ESD? B-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.2 Electrostatic Charging of Persons B-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B.3 General Protective Measures Against Electrostatic Discharge Damage B-4.
C Siemens Worldwide C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glossary Glossary-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Index Index-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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