Lenze PROFINET 9400

4Technical data
4.2 Protocol data
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Lenze · E94AYCER communication module (PROFINET®) · Communication Manual · DMS 11.0 EN · 04/2016 · 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 PROFINET network depend on the ...
• processing time in the inverter;
• frame runtime (baud rate / frame length);
• nesting depth of the network.
Processing time inside the inverter
There are no interdependencies between parameter data and process data.
Range Values
Process data words (PCD) Maximally 32 process data words (max. 64 bytes)
PROFIsafe data for use of the SM301
safety module
4 words (8 bytes)
PROFIsafe data for use of the SM302
safety module
(from SW version 3.00 onwards)
8 words (16 bytes)
Acyclic parameter data channel Limited by the PROFINET frame size
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)
• Some codes may require a longer processing time (see reference manual/
»Engineer« online help for the Servo Drive 9400).
• The times specified apply if the TCP/IP channel of the communication
module is not
used (»Engineer« communication, chapter Setting the IP
configuration ( 37)).