Acyclic services for Profibus DPV1
Services for acyclic data transfer between DPM1 master and slave
10-2
10.2
Services for acyclic data transfer between DPM1 master and slave
The connection-oriented data transfer is carried out via an MS1 connection. This is established in
DPM1 and is very closely linked to the connection for the cyclic data transfer. It can only be used by
the master which has set and also configured the corresponding slave.
Read
The master reads a data block of the slave.
Write
The slave writes a data block to the master.
10.3
Services for acyclic data transfer between DPM2 master and slave
The connection-oriented data transfer is carried out via an MS2 connection. This is established by
DPM2 prior to start of the acyclic data transfer by means of the service
Initiate
. Then the
connection can be used for the services
Read
and
Write
. Termination of the connection is carried out
accordingly. A slave can maintain several active MS2 connections at the same time, only limited by
the resources available in the slave.
Initiate / Abort
Establishment or termination of a connection for acyclic data transfer between
DPM2 and the slave.
Read
The master reads a data block of the slave.
Write
The slave writes a data block to the master.
Summary of Contents for Ecomat 300 AC1355
Page 8: ...8 15 Terms abbreviations 15 1 16 Index 16 1 ...
Page 12: ...On this manual Overview where is what 1 4 ...
Page 14: ...Safety instructions Functions and features 2 2 ...
Page 16: ...System requirements Required accessories 3 2 ...
Page 18: ...Getting started Set up Profibus DPV1 4 2 ...
Page 24: ...Menu Main menu Fieldbus Setup 6 4 ...
Page 52: ...Set up Finish set up 7 28 ...
Page 238: ...Technical data Profibus DP interface 13 2 ...
Page 246: ...Terms abbreviations 15 6 ...