Communication
9.4 Communication via PROFINET IO
Function Manual
Function Manual, 01/2011, 6SL3097-4AB10-0BP3
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PROFINET IO
Within the context of Totally Integrated Automation (TIA), PROFINET IO is the systematic
development of the following systems:
● PROFIBUS DP, the established field bus,
and
● Industrial Ethernet, the communications bus for the cell level.
Experience gained from both systems was and is being integrated into PROFINET IO. As an
Ethernet-based automation standard defined by PROFIBUS International (PROFIBUS user
organization), PROFINET IO is a manufacturer-independent communication and engineering
model.
PROFINET IO defines every aspect of the data exchange between IO controllers (devices
with so-called "master functionality" and the IO devices (those with so-called "slave
functionality") as well as parameterization and diagnostic processes. An IO system is
configured by virtually the same method used for PROFIBUS.
A PROFINET IO system is assembled from the following devices:
● The IO controller controls automation tasks.
● An IO device is controlled and monitored by an IO controller. An IO device consists of
several modules and submodules.
● IO supervisor is an engineering tool typically based on a PC that is used to parameterize
and diagnose individual IO devices (drive units).
IO device: Drive units with PROFINET interface
● SINAMICS S120 with CU320-2 DP and inserted CBE20
● SINAMICS S120 with CU320-2 PN
● SINAMICS S120 with CU310-2 PN
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