PROFINET with STEP 7
18
Function Manual, 05/2021, A5E03444486-AL
Description
2
2.1
Introduction to PROFINET
What is PROFINET IO?
Within the framework of Totally Integrated Automation (TIA), PROFINET IO is the logical
further development of:
•
PROFIBUS DP, the established fieldbus and
•
Industrial Ethernet
PROFINET IO is based on 20 years of experience with the successful PROFIBUS DP and
combines the normal user operations with the simultaneous use of innovative concepts of
Ethernet technology. This ensures the integration of PROFIBUS DP into the PROFINET world.
PROFINET IO as the Ethernet-based automation standard of PROFIBUS/PROFINET International
defines a cross-vendor communication, automation, and engineering model.
Objectives of PROFINET
The objectives of PROFINET:
•
Industrial networking, based on Industrial Ethernet (open Ethernet standard)
•
Compatibility of Industrial Ethernet and standard Ethernet components
•
High robustness due to Industrial Ethernet devices. Industrial Ethernet devices are suited
to the industrial environment (temperature, noise immunity, etc.).
•
Use of IT standards such as TCP/IP, http.
•
Real-time capability
•
Seamless integration of other fieldbus systems
Summary of Contents for SIMATIC ET 200AL
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