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AutomationSystem S7-400 Hardwareand Installation
A5E00850741-01
Product OverviewOverview of the S7-400
The S7-400 is a programmable logic controller.Almost any automation task can be
implemented with a suitable choice of S7-400 components.
S7-400 modules have a block design for swing-mounting in a rack. Expansion
racks are available to extend the system.
In this chapter,we show you the most important components with which you can
assemble an S7-400.
Features of the S7-400
The S7-400 programmable controller combines all the advantages of the previous
system with those of a new system and new software.These are:
•A graded CPU platform
•Upwardly-compatible CPUs
•Enclosed modules of rugged design
•Convenient terminal system for the signal modules
•Compact modules with a high component density
•Optimum communication and networking facilities
•Convenient incorporation of operator interface systems
•Software parameter assignment for all modules
•Extensive choice of slots
•Operation without fans
•Multicomputing in the non-segmented rack
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