Rockwell Automation MD65 EtherNet/IP Communication Module - Manual (Page 57)

Using Explicit Messaging 7-3
Note: To display the Message Configuration dialog box in
RSLogix 5000, add a message instruction (MSG), create a new tag
for the message (properties: Base tag type, MESSAGE data type,
controller scope), and click the blue box inside the message.
➍ Class
The class is an EtherNet/IP class. Refer to Appendix C, EtherNet/IP
Objects, for available classes.
➎ Instance
The instance is an instance (or object) of an EtherNet/IP class. Refer
to Appendix C, EtherNet/IP Objects, for available instances for each
class.
➏ Attribute
The attribute is a class or instance attribute. Refer to Appendix C,
Ethernet/IP Objects, for available attributes for each class or
instance.
➐ Source Element
This box contains the name of the tag for any service data to be sent
from the scanner or bridge to the module and drive.
➑ Source Length
This box contains the number of bytes of service data to be sent in
the message.
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
Figure 7.1 – ControlLogix Message Format in RSLogix 5000 (Continued)