ADAM-4000 controllers include the ADAM-4500, ADAM-4501, and ADAM-4502. The ADAM-4501 is compact Ethernet-enabled controllers with an x86 CPU architecture, which supports not only an Ethernet interface but also serial ports. The Ethernet-enabled features include built-in HTTP Server, FTP Server and email alarm functions. The modularized I/O design provides high flexibility for versatile application requirements.