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4Technical data

4.2 Protocol data

Lenze · E94AYCIB communication module (INTERBUS) · Communication Manual · DMS 4.0 EN · 02/2014 · TD17

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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 an INTERBUS 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 process data.

Range Values

Process data words 0 ... 10 words (16 bits/word)

Parameter data words 0, 1, 2, 4 words (16 bits/word)

The parameter data is transmitted in accordance with the Peripherials

Communication Protocol (PCP).

Supported PMS services • Initiate

•Abort

• Reject

•Read

•Write

•Get-OD

•Identify

• Status

 Note!

The data word sum (process data words + parameter data words) has to consist of 1 ... 10

words (16 bits/word).

Data Processing time

Process data Approx. 4 ms

+ 0 ... 1 ms

+ 1 ... x ms

Update cycle

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)

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

»Engineer« online help for the Servo Drive 9400).

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