1-port Modbus Gateway/Router 2-port Modbus Gateway/Router 4-port Modbus Gateway/Router Features Integrates Modbus TCP and Modbus RTU/ASCII networks Supports up to 921.6 kbps and any baud rate setting Supports up to 16 connections per serial port under 32 sessions under Modbus slave mode Provides high secure access tunnel with VPN Software-selectable RS-232/422/485 communication Mountable via DIN rail and wall mount Built-in 15 kV ESD protection for all serial signals Automatic RS-485 data flow control Supports surge protection for DC power ports with line-to-line (2 kV) and line-to-earth (4 kV) for signal ports with 4 kV Introduction The EKI-1200R series Modbus Router are bi-directional gateways for integrating new and existing Modbus/RTU and Modbus/ASCII serial devices to newer TCP/IP networked-based devices. The EKI-1200R series Modbus Router can remote control and monitor local Modbus devices for Industrial IOT Applications. And it provides high secure access tunnel with VPN to protect domestic data. Specifications Ethernet Communications Compatibility Speed No. of Ports Port Connector Protection IEEE 802.3, IEEE 802.3u 10/100 Mbps 2 8-pin RJ45 Built-in 2.25 k VDC magnetic isolation Serial Communications Port Type No. of Ports Port Connector Data Bits Stop Bits Parity Flow Control Baud Rate Serial Signals RS-232/422/485, software selectable EKI-1221R: 1 EKI-1222R: 2 EKI-1224R: 4 DB9 male 5, 6, 7, 8 1, 2 None, Odd, Even, Space, Mark XON/XOFF, RTS/CTS 50 bps ~ 921.6 kbps, any baud rate setting RS-232: TxD, RxD, CTS, RTS, DCD, RI, GND RS-422: TxD+, TxD-, RxD+, RxD-, GND RS-485: Data+, Data-, GND 15 KV ESD for all signals Software OS Support Utility Software Operation Modes Configuration Protocols Windows XP/7/8.1/10, Windows Server 2003/2008/2012/2016/2019, and Linux Advantech EKI Device Configuration Utility Modbus RTU Slave mode Modbus ASCII Slave mode Windows Utility, Telnet Console, Web Browser ICMP, IP, TCP, UDP, BOOTP, DHCP, Auto IP, SNMP, HTTP, DNS, SMTP, ARP, NTP Reboot Trigger System: Power, System Status LAN: Speed, Link/Active Serial: Tx, Rx Built-in WDT (watchdog timer) Mechanics Dimensions (W x H x D) EKI-1221R/1222R: 30 x 140 x 95 mm (1.18" x 5.51" x 3.74") EKI-1224R: 42 x 140 x 95 mm (1.65" x 5.51" x 3.74") Enclosure Metal with solid mounting hardware Mounting DIN-rail, Wall Weight EKI-1221R: 0.432Kg EKI-1222R: 0.432Kg EKI-1224R: 0.537Kg Power Requirements Power Input Power Connector Power Consumption 12 ~ 48 VDC, redundant dual inputs Terminal block EKI-1221R: 3.2 W EKI-1222R: 3.2 W EKI-1224R: 4.1 W Environment Operating Temperature -10 ~ 60 °C (14 ~ 140 °F) Storage Temperature -40 ~ 85 °C (-40 ~ 185 °F) Operating Humidity 10 ~ 95% RH Regulatory Approvals EMC Hazardous location CE, FCC Part 15 Subpart B (Class A) UL/cUL (Class I, Division 2, Groups A, B, C and D), ATEX (Zone 2 Ex nA nC IIC T4 Gc) Industrial Wireless and Protocol Gateway Solutions All

Panel Cut-out Dimensions: 95 x 140 x 30 mm (3.74" x 5.512" x 1.181") EKI-1222R Panel Cut-out Dimensions: 95 x 140 x 42 mm (3.74" x 5.512" x 1.654") Ordering Information 1-port Modbus Gateway/Router 2-port Modbus Gateway/Router 4-port Modbus Gateway/Router D-Sub9 to Terminal Converter Online Download www.advantech.com/pro