Rockwell Automation 193-EC1_2_3_5, 193-ECPM,592-EC1_2_3_5 E3 and E3 Plus Solid-State Overload Relay User Manual - Manual (Page 194)

194 Rockwell Automation Publication 193-UM002I-EN-P - December 2011
Chapter 10 Logic Controller Communication Examples
To have the CompactLogix controller energize OUT A of the E3 Plus Overload
Relay using I/O Messaging, set Bit 0 in Word 1:O.Data[0] to a 1. OUT A
should be energized.
To verify that OUT A of the E3 Plus Overload Relay was energized, the
CompactLogix controller will read the device status of the E3 Plus Overload
Relay and place that information at Word 1:I.Data[0] with the L32E. Bit 2
identifies the state of OUT A.