Contents
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Automation System S7-400 Hardware and Installation
A5E00850741-01
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 c an build up on a person B-3................
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