Rockwell Automation 1763 MicroLogix 1100 Programmable Controllers User Manual - Manual (Page 156)

Publication 1763-UM001D-EN-P - March 2011
154 Online Editing
Edit Functions in Runtime Online Editing
During a runtime online editing session, the processor is executing ladder logic.
The edit zone markers tell the processor that changes exist, but the changes are
not executed until you test the edits.
Deleted and replaced (modified) rungs are not removed from the program and
inserted rungs are not executed until you assemble the edits.
Edit Functions in Program Online Editing
During a program online editing session, the processor is not executing ladder
logic. This mode is like the offline editing mode. Note that if a runtime online
editing session was performed prior to entering the offline editing mode, edit
marked rungs (I, IR, and D) appear in the program.
If you perform a program online edit, once you accept or delete the rung, the
edits take effect immediately and the power rail is displayed as a solid line. If
you edit a rung with edit zone markers, the markers are removed when the
rung is accepted.
IMPORTANT
Online editing is not available when the mode switch
in LCD screen is in the RUN position.
ATTENTION
Use the online editing function while in the RUN
mode to make minor changes to the ladder program.
We recommend developing your program offline
since ladder rung logic changes take effect
immediately after testing your edits. Improper
machine operation may occur, causing personnel
injury or equipment damage.