8 digital inputs (PNP / NPN 24VDC), 8 outputs (relay 2A), 64000 steps RAM (internal), speed 0.065 μs / log. manual, RS-422 interface (communication with the operator panel HMI and program download), 24 V DC power supply. Controller with a maximum of 384 I / O. On the left side of the base unit, a maximum of 10 adapter modules of the FX3U series can be connected for special functions. On the right side of the base module, you can connect up to 8 special modules and discrete expansion modules with up to 256 inputs and outputs.