Rockwell-automation RECOMM-ENET EtherNet/IP Communications Module Manual de usuario Pagina 76

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7-4
EtherNet/IP Communications Module
Note: The scanner module may be integrated with the controller (for
example, ControlLogix).
Retrieve Explicit
Message Response
Complete Explicit
Message
Set up and send
Explicit Message
Format the required data and set up the ladder
logic program to send an Explicit Message
request to the scanner or bridge module
(download).
The scanner or bridge module transmits the
Explicit Message Request to the slave device
over the EtherNet/IP network.
The slave device transmits the Explicit Message
Response back to the master.
The controller retrieves the Explicit Message
Response. It may be required to repeat steps 1-
3, depending on the amount of data.
The Explicit Message is complete.
Figure 7.2 – Explicit Message Process
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