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Profibus-DP Protocol 35

jins85e1 4.fm Interface Description(1101)

5.3 Acyclic Data Transfer

Important Note:

If you want to use acyclic data transfer with Profibus, you must use a Profibus

master which supports DPV1 data transfers.

A Profibus master which supports DPV0 only, can only use cyclic data

transfer.

5.3.1 Addressing Rules for Acyclic Access

Fieldbus Rule

Profibus

DI = slot * 255 + index +1

slot = (ADI-1) / 255

index = (ADI-1) MOD 255

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Inficon T-Guard Leak Detection Sensor Interface descriptio Bedienungsanleitung Seite 35