3 communication time, Communication time, Technical data – Lenze E84DGFCA User Manual

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Technical data

Communication time

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Lenze · Decentralised frequency inverter 8400 motec (AS-Interface option) · EDS84DMOTASI EN 4.0 - 09/2013

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4.3

Communication time

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

corresponding response.
The communication times in an AS-i network depend on the ...

• processing time in the inverter;
• telegram runtime (baud rate / telegram length);
• nesting depth of the network.

Processing time in the inverter

There are no interdependencies between parameter data and process data.

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 use technology application

(tolerance)

Parameter data

approx. 30 ms + a tolerance of 20 ms (typically)

For some codes, the processing time may be longer (see software manual/

»Engineer« online help "Inverter Drives 8400 motec").

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