Rockwell Automation 9323-S5500D A.I. SERIES MICROLOGIX 1000 AND PLC-500 SOFTW - Manual (Page 461)

MicroLogix 1000 and PLC-500 A.I. Series Software Reference
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Non-Sequential Rung Display
When you are troubleshooting a SLC 500 program, you may find it useful to display
rungs that are related, but are separated in the program. To do this, use the non-
sequential rung display feature. You can display up to 20 non-sequential rungs. The
rungs can be from any ladder file.
(See also Search Inputs Function on page 19-11 to automatically create a list of all
rungs containing an input address used on a designated rung.)
Each rung’s original number in the program is displayed along the left power rail. The
rung position indicator on the processor status line changes to reflect the total number
of rungs in the list.
Note If an invalid rung number is present in the list, a message is displayed and the invalid
rung number and subsequent numbers are truncated from the list.
A typical rung display list appears as follows: