Simplest possible installation, cost-saving
engineering and diagnostics, modular design: SIMATIC S7-400 shines
in many areas:
 Modularity
An outstanding feature of the S7-400 is its modularity. The powerful
backplane bus of the S7-400 and the communications interfaces
that can be plugged direct into the CPU allow high-performance
operation of a large number of communications lines. This enables,
for example, subdivision into one communications line for HMI
and programming tasks, one for high-performance and equidistant
motion control components, and one "normal" I/O fieldbus. Additionally
required connections to MES/ERP systems or to the Internet can
also be implemented.
Comfortable engineering and comprehensive diagnostics
The S7-400 achieves extremely efficient configuring and programming
in conjunction with the SIMATIC Engineering Tools, especially
in the case of extensive automation solutions with a larger engineering
component. Examples of this are high-level languages such as SCL
and graphical Engineering Tools for sequential controls, state
diagrams, and technology-oriented diagrams. Storage of all the
project data including symbols and comments on the CPU makes service
and maintenance work much easier.
In addition, powerful integrated system diagnostics functions
guarantee higher controller availability and therefore also higher
productivity. On top of this, you have configurable process diagnostics
functions for analyzing process faults, reducing downtimes, and
further increasing productivity.
Simple design
An S7-400 system consists basically of a backplane, a power supply,
and a CPU. It can be configured modularly and simply without the
need to observe slot rules. An outstanding feature of the the
S7-400 is its rugged fan-free operation, allowing hot swapping
of signal modules. A varied module range can be used for centralized
expansions as well as for simple configuration of distributed
structures with the ET 200 ? this results in extremely cost-effective
spare parts management.
Application areas
SIMATIC S7-400 meets automation requirements in all sectors, e.g.:
- Automotive industry (e.g. assembly lines)
- Machine building, including special machine building
- Warehousing
- Building engineering systems
- Steel industry
- Power generation and distribution
- Paper and printing industry
- Woodworking
- Food and beverages industry
- Process engineering, e.g. water supply, waste water treatment
- Chemical industry and petrochemicals
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