User Manual Owner's manual

Rockwell Automation Publication 280E-UM001B-EN-P - July 2012 205
How to Configure an Explicit Message Chapter 8
Performing Explicit
Messages
Figure 77 - Explicit Message Process
➒
Destination
This box contains the name of the tag that will receive service response data from the module and drive.
➓
Path
The path is the route that the message will follow.
Note: Click Browse to find the path or type in the name of a module that you previously mapped.
Name
The name for the message.
Box Description
IMPORTANT
There are five basic events in the Explicit Messaging process defined below. The details
of each step will vary depending on the controller. Refer to the documentation for your
controller.
Box Description
➊
Format the required data and set up the ladder logic program to send an Explicit Message Request to the
scanner or bridge module (download).
➋
The scanner or bridge module transmits the Explicit Message Request to the slave device over the
EtherNet/IP network.
➌
The slave device transmits the Explicit Message Response back to the scanner. The data is stored in the
scanner buffer.
➍
The controller retrieves the Explicit Message Response from the scanner’s buffer (upload).
➎
The Explicit Message is complete.