Transparent Access to Modbus ACSII/RTU Equipment over Ethernet
Advantech’s EKI-1220 Modbus gateway series feature fast 1, 2 or 4 RS-232/422/485 serial ports with 2 x Ethernet ports. It supports Modbus RTU/ASCII master and slave modes simultaneously, up to 31 RTU/ASCII slave devices per each serial port, with high speed data transfer rates up to 921.6 kbps, and dual LAN redundancy, providing the most modern and reliable Modbus gateways available.

Versatile Industrial Design to Fulfill Diverse Applications
Moreover, it can fulfill many diverse applications through a versatile industrial design, such as built-in dual power inputs (DC 12~48V) with 1 power fail relay output to detect power operation status and ensure reliable operation, built in a compact and thin DIN-rail mount form factor with an IP30 metal housing, 3000 VDC surge protection for the power line, plus 4000 VDC ESD protection on the Ethernet ports.

UL Class I, Division 2 Certified for use in Hazardous Locations
Furthermore, it has recently received the UL Class I, Division 2, Group A, B, C, D certification for use in hazardous locations, i.e. gas, mining, oil or petrochemical industry applications to further prove Advantech’s commitment to pushing the boundaries of industrial automation through highly rugged and robust products.