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

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  Documentation (1,0 MB)


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