Communication PROFIBUS DP/PROFINET IO 10.1 Communications according to PROFIdrive

 

 

 

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Figure 10-19 Isochronous drive link/Motion Control with PROFIdrive

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10.1.4Acyclic communication

10.1.4.1General information about acyclic communication

Description

With acyclic communication, as opposed to cyclic communication, data transfer takes place only when an explicit request is made (e.g. in order to read and write parameters).

The read data set/write data set services are available for acyclic communication. The following options are available for reading and writing parameters:

S7 protocol

This protocol uses the STARTER commissioning tool, for example, in online mode via

PROFIBUS.

PROFIdrive parameter channel with the following data sets:

PROFIBUS: Data set 47 (0x002F)

The DPV1 services are available for master class 1 and class 2.

PROFINET: Data set 47 and 0xB02F al global access, data set 0xB02E as local access

392

Drive Functions

Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4

Page 392
Image 392
Efficient Networks S120 Acyclic communication, General information about acyclic communication Description, Dssolfd