Rockwell Automation 9323-S5500D A.I. SERIES MICROLOGIX 1000 AND PLC-500 SOFTW - Manual (Page 262)

MicroLogix 1000 and PLC-500 A.I. Series Software Reference
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Data Table Usage
To enable the Data Table Usage Report:
1. From the Reporting Configuration screen, highlight Report selections 1 .
2. Toggle [F4] Data Table Dump Report to Yes .
The system formats the Data Table Usage report similarly to the Data Table Dump,
except the usage report uses `X’s to indicate that a bit or word address is used. An
excerpt from a Data Table Usage Report follows: