The MicroLogix 1400 PLC is Rockwell's newest controller that broadens applications with embedded analog inputs and outputs, faster counters, pulse outputs, and Ethernet communication. It maintains features of the MicroLogix 1100 and can expand I/O up to 144 points using input/output modules. The PLC also includes features like a memory module, LCD screen, two serial ports and an Ethernet port to support various communication protocols.