Omron CJ Series Operation Manual page 184

5 Operation
Note: Auto-addressing is disabled
 Removing Gaps from the I/O Mapping
Since gaps in the I/O mapping are generally undesirable, the CJ1W-PRM21 Master DTM provides a
means to remove all gaps, after finalizing the I/O mapping procedure. This removal is accomplished
by compressing the I/O modules in a particular area.
5-32
Initial I/O Configuration
Output module 2 of slave device
#2 was moved to Output area 2,
location CIO 3401, leaving behind
a gap in Output area 1.
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)