Logic Controller, Input Voltage 24V DC, Output Type Transistor, 0.1 A, 0.5 A Amps, Ethernet RJ45, Non isolated serial link serial 1 RJ45 RS232/RS485, Non isolated serial link serial 2 removable screw terminal block RS485, USB port mini B USB 2.0 Slots, Number of Inputs 14, Number of Outputs 4, Timers Programmable, Yes Clock, No Display Display, Port Type Ethernet, Non isolated serial link serial, USB port mini, Memory 64 MB RAM, 8 MB