IEEE 1588 Adjust Time

Run Precision Time Protocol clock correction servo

  • Library:
  • Simulink Real-Time / IEEE 1588


When Trigger is true, IEEE 1588 Adjust Time performs time offset correction at every sample time until the offset drops below a threshold value. It then switches to rate correction. During rate correction, the block adjusts the time increment value of the Ethernet card to track the master PTP clock rate.

The PTP internal block descriptions are for informational purposes only. You cannot use these blocks by themselves in a model. The subsystem mask controls the block parameters. Do not edit the parameters directly.



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While Trigger is true, the block runs the time adjustment algorithm at every time step.


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Enter the base sample time or a multiple of the base sample time.

Programmatic Use

Block Parameter: sample_time

Introduced in R2015b