Rockwell Automation 20-COMM-Q ControlNet Adapter - Manual (Page 151)

Using Explicit Messaging 6-23
20-COMM-C/Q ControlNet Adapter User Manual
Publication 20COMM-UM003F-EN-P
PLC-5 Controller Examples The ControlNet I/O Transfer (CIO) instruction is used to send explicit
messages. For PLC-5/xxC controllers, Series F, revision B or earlier, the
available services you should use are Get Attribute Single, Get Attribute
All, Set Attribute Single, or Set Attribute All using a CIP Generic
communication command. PLC-5/xxC controllers, Series F, revision C or
later, provide available message services for Get Attributes Scattered and
Set Attributes Scattered using a Generic Bi-Directional communication
command.
PLC-5 Controller Example Ladder Logic Program to Read a Single
Parameter
A read message is used to read a single parameter. The specific N40:0
address shown in this read message example reads the value of parameter
003 - [Output Current] in a PowerFlex 7-Class drive.
Figure 6.26 Example Ladder Logic to Read a Single Parameter