Lenze E84DGFCG - Manual (Page 42)

Lenze · Decentralised frequency inverter 8400 motec (EtherNet/IP™ option) · EDS84DMOTEIP EN 2.0 - 10/2013
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Data transfer
Telegram types
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7.2 Telegram types
The "implicit message" and "explicit message" telegram types are transmitted between the host
system (scanner) and the drive (adapter).
Implicit messages (I/O data transfer)
"Implicit messages" are transmitted or received according to the producer/consumer principle.
There is one transmitter and no receiver or an optional number of receivers.
The "cyclic I/O data" transmission mode is supported. The scanner and the adapter use "cyclic I/O
data" to generate their data independently of each other, which are then transmitted depending on
a timer. The user must set the value of the timer in the scanner.
Explicit messages (parameter data transfer)
"Explicit messages" serve to configure and parameterise the individual EtherNet/IP nodes.
Two nodes have a client/server relationship:
The client transmits a job (request). The server receives this job and tries to accomplish it. The server
then transmits the requested data (positive response) or an error message (negative response).