PLC of 12 digital inputs of 24VDC (6 @ 50KHz 6 @ 5KHz) / 8 digital outputs to PNP Transistor (4 @ 50KHz) / 2 non-expandable communication ports (1 RS-232/1 RS-485) / side expandable right up to 80 e / s. 24VDC power supply. Slim Size center> 12 digital 24 VDC input points (6 points 50 KHz, 6 points in total 5 KHz), relay output or 8-point transistor output (4 points 50 KHz), 1-2 Built-in communication ports, left side is 0-2 expandable modules, right side is expandable up to 80 I / O points.