Rockwell Automation 1769-SM2 Compact I/O DSI/Modbus Communication Module - Manual (Page 71)

Understanding Explicit Messaging 5-7
RSLogix 5000 Parameter Read/Write Examples
In this example, a read and a write of PowerFlex 40 drive Parameter 78
- [Jog Frequency] is being done.
The RSLogix 5000 Message Configuration example screen to read a
parameter is shown in
Figure 5.5 . It is assumed that the 1769-SM2
module occupies slot 1 and is operated in Single mode, and that the drive
is connected to CH1.
See Table 5.B for descriptions of the message configuration data.
Figure 5.5 RSLogix 5000 Example Message Setup Screen to Read a Parameter
The response data for the message is stored in CH1_Read_Value. The
“Get Attribute Single” Service Type (Service Code “e”) is used to read a
single parameter. Class “f” refers to the
CIP Parameter Object on
page C-4 and Instance “78” is drive Parameter 78 - [Jog Frequency].
Instance Attribute “1” is the parameter value.