I/O expansion unit, 24 x 24 VDC inputs, 16 x relay outputs 2 AType of moduleDigital I/ONumber of digital inputs24Digital input typePNP/NPNOFF/ON delay0-32 msPermitted voltage at input20.4-26.4 VDigital output typeRelay NONumber of digital outputs16Output current2 APermitted voltage at output5-250 VHeight90 mmWidth150 mmDepth50 mmWeight380 g