Product Overview - Siemens SIMATIC ET 200S Manual

Product Overview

Chapter overview
The product overview tells you:
• The place of the ET 200S distributed I/O system in the ET 200 distributed I/O
system.
• The place of ET 200S as an I/O device in PROFINET IO.
• The components that make up the ET 200S distributed I/O system
• Which of the manuals in the ET 200S manual package contains the information
you require.
Chapter overview
Chapter
1.1
1.2
1.3
1.4
1.1 What are distributed I/O systems?
Distributed I/O systems - - area of application
When a system is set up, the inputs and outputs from and to the process are often
located centrally in the programmable logic controller.
If there are inputs and outputs at considerable distances from the programmable
logic controller, there may be long runs of cabling which are not immediately
comprehensible, and electromagnetic interference may impair reliability.
Distributed I/O systems are the ideal solution in such cases:
• The controller CPU is located centrally.
• The I/O systems (inputs and outputs) operate locally on a distributed basis.
• The high-performance PROFIBUS DP bus system with its high data
transmission rates ensures that the PLC's CPU and the I/O systems
communicate smoothly.
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
What are distributed I/O systems?
What is PROFINET IO?
What is the ET 200S distributed I/O system?
Guide to the ET 200S manuals
Description
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