Logic Controller Input Voltage 24V AC/DC Dual-port Ethernet 1 RJ45 Ethernet port Ethernet 2 RJ45 Non isolated serial link serial RJ45 RS232/RS485 USB port mini B USB 2.0 Slots Timers Programmable Yes Clock No Display Display Port Type Dual-port Ethernet Ethernet Non isolated serial USB port mini Memory 64 MB 8 MB