The D2EM is a DIRECTLOGIC DL205 local I/O expansion module designed for use with D2-250-1, D2-260, and D2-262 CPU-based PLCs. It installs adjacent to each I/O base (CPU base and expansion) in a local expansion system. Note: This module is not compatible with D2-230, D2-240, or DO-MORE H2 series CPUs or WINPL.