Profinet Io With Irt - Overview - Siemens SINAMICS S150 Operating Instructions Manual

6.8.4.4

PROFINET IO with IRT - Overview

Overview
PROFINET IO with IRT is characterized by separate time domains for IRT, RT, and TCP/IP
communication. This is safeguarded by high-precision hardware-based cycle monitoring.
Figure 6-45
PROFINET IO with IRT is available in two versions:
● IRTflex (flexible) with fixed bandwidth reservation
● IRTtop (top performance) with planned IRT communication
Drive converter cabinet units
Operating Instructions, 07/07, A5E00288214A
Note
Drive objects without PZD do not transfer process data and are used, for example, to
transfer parameters.
IRT Communication - Overview
Operation
6.8 PROFINET IO
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