Allen-Bradley 1769-L24ER-QBFC1B CompactLogix 5370 L2 Ethernet Processor Module, 2 EtherNet/IP Ports With Device Level Ring Capability, 750KB Memory, 1 USB Programming/Downloading Port, (16) 24V DC Digital Inputs, (16) 24V DC Digital Outputs, 4 Universal Analog Inputs (Voltage/Current), 2 Analog Outputs (Voltage/Current), 4 High Speed Counters, Up To 4 1769 I/O Expansion Modules, 8 EtherNet/IP And 120 TCP Connections, 24V DC Power Supply, With 1GB SD card, Can Support Up To 2GB SD Card