Rockwell Automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter User Manual - Manual (Page 108)

108 Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013
Chapter 6 Using Explicit Messaging
ControlLogix Controller
Examples
For supported classes, instances, and attributes, see Appendix C , EtherNet/IP
Objects .
Explicit Messaging Using RSLogix 5000 Software, Version 15.00
or Later
ControlLogix Controller Example Ladder Logic Program to Read a Single
Parameter
A Parameter Read message is used to read a single parameter. This read message
example reads the value of parameter 003 - [Output Current] in a PowerFlex 7-
Class drive.
Table 18 - Example Controller Tags to Read a Single Parameter
Figure 35 - Example Ladder Logic to Read a Single Parameter
TIP To display the Message Configuration screen in RSLogix 5000 software, add
a message instruction (MSG), create a new tag for the message (Properties:
Base tag type, MESSAGE data type, controller scope), and click the
button in the message instruction.
Operand Controller Tags for Single Read Message Data Type
XIC Execute_Single_Read_Message BOOL
MSG Single_Read_Message MESSAGE