Rockwell Automation 1404-M4_M5_M6_M8 Powermonitor 3000 User Manual, PRIOR to Firmware rev. 3.0 - Manual (Page 110)

Publication 1404-UM001D-EN-E - October 2004
4-50 Communications
Notice that under target device that Powermonitor 3000 data table F10
(Basic Configuration) was selected. The Local Node Address is the
address of the Powermonitor 3000 Controlnet Node Address “4”. The
information to write was loaded into file F12:0 of the SLC and is 9
elements long.
Communicating to a Powermonitor 3000 from a PLC5 Controlnet
Processor
The Powermonitor 30000 is capable of communicating over
controlnet using PLC5 typed reads and writes. When using ladder to
communicate unscheduled messages to and from the Powermonitor
3000 the following example applies.
PLC5 Typed Reads and Writes
You can message integer and float files to and from the Powermonitor
3000 using PLC5 typed message instructions as follows:
Insert a MSG Instruction to the ladder rung and assign a control.