The EKI-1220 series Modbus Gateways are designed for quick and easy integration of Modbus serial devices with industrial ethernet networks. Available in two configurations, the EKI-1221 and EKI-1222 feature one or two RS232/422/485 serial ports, with redundant 10/100 Mbps ethernet connections, for transparently connecting Modbus ASCII/RTU and Modbus/TCP devices and equipment.
The EKI-1220 series gateways support a wide range of configurations between serial and ethernet devices, including ethernet master to serial slave, serial slave to ethernet master and concurrent operation of both modes.
To route requests to the appropriate serial port on multi-port models, a user-defined table associates ethernet host IP addresses to serial slave IDs, allowing access through a single IP port, for easier systems integration and compatibility with existing Modbus/TCP networks. A connection status monitor displays which IP hosts are connected to each serial port. For enhanced security, access can be restricted to specific IP network hosts.
These Modbus gateways feature dual 10/100 Mbps ethernet connections to ensure communications in the event of a network problem. With one physical connection assigned as primary and the other as backup, communications can continue on the backup in the event of a problem with the primary.
The EKI-1221 and EKI-1222 are packaged in a compact and thin metal DIN rail mount chassis. Ruggedised for industrial applications, these units include dual 12 to 48 VDC power inputs, power line surge (EFT) protection of 3000 and 4000 VDC ethernet ESD protection to ensure maximum system uptime and uninterrupted communications.
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