Estimation of Device Ack Time (DAT) and Host Ack Time (HAT)

PS-cE
PROFINET Expert
Posts: 25
Joined: 16 Oct 2023, 05:21

Estimation of Device Ack Time (DAT) and Host Ack Time (HAT)

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Question from the PROFIsafe Designer Workshop in October 2023:

How to estimate DAT and HAT?
PS-cE
PROFINET Expert
Posts: 25
Joined: 16 Oct 2023, 05:21

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PS-cE wrote: 02 Nov 2023, 10:07 Question from the PROFIsafe Designer Workshop in October 2023:

How to estimate DAT and HAT?

These values are dependent on your implementation details. You will investigate worst-case times of "how long these things take".

There was also the question whether these values are parameterizable. The answer to this is "no"; you have to specify stable upper bounds (for the time-wise worst case scenarios of your implementation).
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