What Is Profinet Io - Siemens SIMATIC ET 200S Operating Instructions Manual

1.2

What is PROFINET IO?

Definition
PROFINET IO is an open transmission system with real-time functionality defined in
accordance with the PROFINET standard. This standard defines a manufacturer-
independent communication, automation and engineering model.
Accessories for wiring the PROFINET components are available in industrial quality.
● PROFINET does not deploy the hierarchical PROFIBUS master/slave principle.
● The quantities are extended in accordance with the options offered by the PROFINET IO.
● The transmission rate is 100 Mbps.
● The user's configuration interface is generally the same as that on PROFIBUS DP
Structure of a PROFINET IO network
The figure below illustrates the typical layout of a PROFINET IO network. Existing
PROFIBUS slaves can be integrated by using an IE/PB link.
Figure 1-2 Typical structure of a PROFINET IO network
Further information about structuring a PROFINET IO network is available in the
System Description
ET 200S
Operating Instructions, 08/2008, A5E00515771-06
A provider/consumer principle is used instead. The planning process specifies which
modules of an IO device will be subscribed to by an IO controller.
Parameter limits are not exceeded during configuration.
(configuration in STEP 7 → HW CONFIG).
system manual.
Description
1.2 What is PROFINET IO?
PROFINET
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