Description
2.1 Introduction to PROFINET
PROFINET with STEP 7 V15
28 Function Manual, 12/2017, A5E03444486-AH
Implementation of the PROFINET device model in SIMATIC
Slots and modules
A PROFINET device can have a modular and compact structure. A modular PROFINET
device consists of slots into which the modules are inserted. The modules have channels
which are used to read and output process signals. A compact device has the same design
and can include modules, however, it cannot be physically expanded, which means that no
modules can be inserted.
This is illustrated by the following graphic.
Figure 2-7 Configuration of a PROFINET device
interface
A module can contain multiple submodules.
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