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