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Entry type: FAQ Entry ID: 109480489, Entry date: 11/10/2015

Isochronous mode with PROFINET - an example with SIMATIC S7-1500

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Example for parameterizing and setting the Isochronous mode for remote IOs and drives.
The Isochronous mode is always used in the SIMATIC S7-1500 when multiple parameter values which are comparable or in a relationship to one another are to be processed in one cycle. This requirement is fulfilled, for example, in the following scenarios.
  • Simultaneous acquisition of multiple measured values which are to be acquired via various input modules.
  • Execution of control processes on the SIMATIC S7-1500 CPU in which the acquisition of the measured values and output of the actuator signals is via various modules.
  • Coherent control of multiple drives via the drive functions integrated in the SIMATIC S7-1500.

This document takes various sample parameterizations to demonstrate the setting options and interrelations of the Isochronous mode in the TIA Portal.

  Documentation (1,0 MB)

Additional Keywords  
IRT, isochrone, equidistance, equidistant, PROFINET, Profinet