
Rockwell Automation Publication 520COM-UM003A-EN-E - June 2013 75
Using Explicit Messaging Chapter 6
For supported classes, instances, and attributes, see EtherNet/IP Objects on
page 129.
Example Ladder Logic Program to Read a Single Parameter
A Get Attribute Single message is used to read a single parameter. This
CompactLogix controller read message example reads the value of the 16-bit
parameter b003 [Output Current] in a PowerFlex 525 drive.
Example Controller Tags to Read a Single Parameter
Example Ladder Logic to Read a Single Parameter
Formatting a Message to Read a Single Parameter
Get Attribute Single Message Configuration Screens
The explicit messaging examples in this section can be performed using any
software version of RSLogix 5000 or Logix Designer.
The read and write messaging examples in this section are for Device
parameters which use Class Code 0x93.
The Message Configuration also has a supported Service Type of “Parameter
Read” which is Class code 0x0F, Parameter Object.
Operation Controller Tags for Single Read Message Data Types
XIC Execute_Single_Read_Message BOOL
MSG Single_Read_Message MESSAGE
Execute_Single_Read_Message
Message
Message Control Single_Read_Message
MSG
EN
DN
ER
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