Rockwell Automation 1769-SM2 Compact I/O DSI/Modbus Communication Module - Manual (Page 72)

5-8 Understanding Explicit Messaging
The RSLogix 5000 Message Configuration example screen to write to a
parameter is shown in
Figure 5.6 . 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 5.6 RSLogix 5000 Example Message Setup Screen to Write to a Parameter
The request data for the message is stored in CH1_Write_Value. The
“Set Attribute Single” Service Type (Service Code “10”) is used to write
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.