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3 protocol data, 4 communication time, Protocol data – Lenze E84AYCET EtherCAT MCI module User Manual

Page 19: Communication time, 4technical data

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Lenze · E84AYCET communication module (EtherCAT) · Communication Manual · DMS 5.0 EN · 05/2013 · TD17

19

4

Technical data

4.3

Protocol data

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4.3

Protocol data

4.4

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 the EtherCAT network depend on the ...

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

processing time within the inverter

Area

Values

Process data words

1 ... 16 process data words per direction

(max. 32 bytes, 16 bits/word)

Parameter data (mailbox size for CoE

transfer)

Max. 128 bytes

Data

Processing time

Process data for synchronised

operation

0.2 ms Processing time in the module

+ 1 ... x ms Runtime of the application task of the technology

application used (tolerance)

Process data for non-synchronised

operation

2 ms Processing time in the module

+ 1 ... x ms Runtime of the application task of the technology

application used (tolerance)

Parameter data

approx. 30

ms

Processing time

+ 20 ms Tolerance (typical)

Some codes may require a longer processing time (see

software manual/online help for the Inverter Drive 8400).