Rockwell Automation 20-COMM-Q ControlNet Adapter User Manual
Page 134
6-6
Using Explicit Messaging
20-COMM-C/Q ControlNet Adapter User Manual
Publication 20COMM-UM003F-EN-P
ControlLogix Controller Example Ladder Logic Program to Read a Single Parameter
Using RSLogix 5000 Software, Any Version
A Get Attribute Single 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.
Important: See
Table 6.A on page 6-2
for limitations of PowerFlex 7-Class
and PowerFlex 750-Series drives when using DPI Parameter
Object Class code 0x93 or Host DPI Parameter Object Class
code 0x9F for explicit messaging.
Table 6.C Example Controller Tags to Read a Single Parameter
Figure 6.4
Example Ladder Logic to Read a Single Parameter
Operand
Controller Tags for Single Read Message
Data Type
XIC
Execute_Single_Read_Message
BOOL
MSG
Single_Read_Message
MESSAGE