How to move the BOM line
The RJ71EIP91: For a panel-builder specifying this module: it occupies one slot on the iQ-R base, draws from the backplane, and is configured through the standard MELSEC engineering toolchain — the EtherNet/IP scanner role means it acts as the master on the industrial Ethernet segment talking to downstream devices, so the BOM line should be reserved for that function rather than mixed with general-purpose I/O or comm cards.