Lenze E84DGFCR Manual de usuario descargar pdf (Pagina 18)

Communication manual 8400 motec PROFINET

Technical data

Protocol data

18 L EDS84DMOTPNET EN 2.0 - 11/2011

4.2 Protocol data

4.3 Communication time

The communication time is the time between the start of a request and the arrival of the

corresponding response.

The communication times in a PROFINET network depend on the ...

 Processing time inside the controller;

 Transmission delay time (baud rate / telegram length);

 Nesting depth of the network.

Processing time inside the controller

There are no interdependencies between parameter data and process data.

Area Values

Process data words slot 1 1 ... 8 process data words (max. 16 bytes)

Process data words slot 2

(for digital/analog inputs)

Optionally 0, 1, or 2 process data words (max. 4 bytes)

Process input data AI/DI (Slot2)

( 44)

Acyclic parameter channel Limited by the PROFINET frame size

Data Processing time

Process data Approx. 2 ms

+ 0 ... 1 ms

+ 1 ... x ms

update cycle

processing time in the module

application task runtime of the technology application used

(tolerance)

Parameter data Approx. 30 ms + a tolerance of 20 ms (typically)

• Some codes may require a longer processing time (see software manual/

»Engineer« online help for Inverter Drive 8400 motec).

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Lenze E84DGFCR Manual de usuario Pagina 18