Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual - Manual (Page 359)

MI
ESC
Report Generation
Chapter 23
23-8
Message Index - MI
Accessible in any mode, the message index command prints an MI list of
the message numbers used and the amount of memory (in words) used for
each message. In addition, the number of unused memory words available
is listed. The message index command is accessed by the
following keystrokes:
You must be in report generation.
MI appears on the screen.
This command cannot be terminated before completion. It self-terminates
after the list is completed.
The display returns to the ladder diagram.
Enter messages into memory from either the 1770-T3 industrial terminal or
a peripheral device connected to channel C of the industrial terminal. Use
one of two optional keytop overlays on the 1770-T3 industrial terminal,
depending on whether graphic characters are desired (Figure 23.1):
Alphanumeric Keytop Overlay (cat. no. 1770-KAA)
Alphanumeric/Graphics Keytop Overlay (cat. no. 1770-KAB)
Entering a Message