The OMRON CPM1A-40EDT1 is an Expansion I/O Unit designed for use with the CPM1A, CP1E, and CP1L Series programmable logic controllers (PLCs). This unit provides a combination of 24 DC inputs and 16 sourcing (PNP) transistor outputs, expanding the I/O capacity of the base CPU unit . It features a removable screw terminal block for secure and convenient field wiring, and can be mounted via DIN rail or direct screw mounting.