The SI-EN3D is a two-port communication card manufactured by Omron that allows for Ethernet/IP connectivity. It features two ports of 10/100Base-T (RJ45) and two ports of RS422/485 to enable versatile wired connections. It has an extension terminal block for a direct connection to the Ethernet/IP link and includes a programmable mini switch. The SI-EN3D also includes Omron's dual port protection chip to provide surge protection for safe operation. This card can be used for data acquisition, motion control, machine operation, device-to-device communication, and more.