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SIMATIC® S7-400™ PLC

The power PLC for the mid to high-end performance ranges
The solution for even the most demanding tasks
With a comprehensive range of modules and performance-graded CPUs for optimal adaptation to the automation task
Flexible in use through simple implementation of distributed structures and extensive communications capabilities
User-friendly handling and uncomplicated, fan-free design
Trouble-free expansion when your task grows
Several classes of CPUs with graduated performance capabilities and an extensive module spectrum with many user-friendly functions allow the user to customize a solution for his/her automation task.

As the automation task becomes more sophisticated, the control system can be upgraded at any time without much overhead by simply adding additional modules.