3 protocol data, 4 communication time, Protocol data – Lenze E84AYCEO User Manual

Page 20: Communication time, 4technical data

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4

Technical data

4.3

Protocol data

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Lenze · E84AYCEO communication module (EtherNet/IP™) · Communication Manual · DMS 3.0 EN · 10/2013 · TD17

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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 an EtherNet/IP network depend on the ...

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

processing time within the inverter

There are no interdependencies between parameter data and I/O data.

Range

Values

I/O data words

1 ... 16 words (max. 32 bytes, 16 bits/word)

Supported CIP services

• Get_Attributes_All

• Get_Attribute_Single

• Set_Attribute_Single

• Reset (types ’0’ and ’1’ only)

• Forward_Open

• Forward_Close

• Get_Member

Data

Processing time

Process data (I/O data)

10 ms

+ 0 ... 1 ms

+ 1 ... x ms

Lenze standard update cycle (can be changed in the Rockwell

engineering tool)

Processing time in the module

Runtime of the application task of the technology

application used (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 for Inverter Drives 8400).

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