The Allen-Bradley 1746-A7 is a 7-slot rack backplane designed for SLC 500 systems. It serves as the central interconnect in a 7-slot SLC 500 rack, providing the electrical backplane that ties together the processor and I/O modules in a compact chassis. This part number identifies the backplane used in SLC 500 7-slot racks within Allen-Bradley’s 1746 backplane lineup.
