Siemens S7-400 - Page 18

Contents
xviii
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
A-1 The Possible Routes for Electromagnetic Interference A-5. . . . . . . . . . . . . . . .
A-2 Example of Cabinet Installation for EMC A-10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-3 Wall Mounting an S7-400 for EMC A-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-4 Mounting Cable Shields A-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-5 Routing Equipotential Bonding Conductor and Signal Line A-16. . . . . . . . . . . . .
A-6 Lightning Protection Zones of a Building A-22. . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-7 Sample Circuitry for Networked S7-400 PLCs A-28. . . . . . . . . . . . . . . . . . . . . . .
A-8 Relay Contact for EMERGENCY OFF in the Output Circuit A-30. . . . . . . . . . . .
A-9 Suppression for DC-Operated Coils A-31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-10 Suppression with AC-Operated Coils A-31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-11 Shielding and Grounding with a Great Distance between Monitor
and Programmable Controller A-36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-1 Electrostatic Voltages which can Build up on a Person B-3. . . . . . . . . . . . . . . .