Specifications
Ethernet Communications
- Compatibility IEEE 802.3, IEEE 3u
- Speed 10/100 Mbps
- of Ports 2
- Port Connector 8-pin RJ45
- Protection Built-in 2.25 k VDC magnetic isolation
Serial Communications
- Port Type RS-232/422/485-2w/485-4w, software selectable (EKI-1224CI-CE supports RS-422/485 only)
- of Ports EKI-1221: 1 EKI-1222: 2 EKI-1224: 4
- Port Connector DB9 male EKI-1221CI-DE; EKI-1222CI-DE also provide Terminal Block
- Data Bits 5, 6, 7, 8
- Stop Bits 1, 5, 2
- Parity None, Odd, Even, Space, Mark
- Flow Control XON/XOFF, RTS/CTS
- Baud Rate 50 bps ~ 6 kbps, any baud rate setting
- Serial Signals [CE Version]RS-232: TxD, RxD, CTS, RTS, DCD, RI, GND, DTR, DSR RS-422: TxD+, TxD-, RxD+, RxD-, GND S-485 2-wire: Data+, Data-, GND RS-485 4-wire: TxD+, TxD-, RxD+, RxD- GND (not include CI models) [DE Version] DB9:RS-232 isolation: TxD, RxD, CTS, RTS, GND RS-232: TxD, RxD, CTS, RTS, DCD, RI, GND, DTR, DSR Terminal Block ( From top to bottom): RS-422: GND, RxD-, RxD+, TxD+, TxDRS- 485 2-wire: GND, NC, NC, TxD+, TxDRS- 485 4-wire: GND, RxD-, RxD+, TxD+, TxD-
- Protection 15 KV ESD for all signals
Software
- OS Support Windows XP/7/8.1/10, Windows Server 2003/2008/2012/2016/2019, and Linux
- Utility Software Advantech EKI Device Configuration Utility
- Operation Modes Modbus RTU Client/Server mode Modbus ASCII Client/Server mode
- Configuration Windows Utility, Telnet Console, Web Browser
- Protocols ICMP, IP, TCP, UDP, BOOTP, DHCP, Auto IP, HTTP, DNS, SMTP, ARP, NTP
General
- LED Indicators System: Power, System Status LAN: Speed, Link/Active Serial: Tx, Rx
- Reboot Trigger Built-in WDT (watchdog timer)
Mechanics
- Dimensions (W x H x D) EKI-1221/I-CE; EKI-1221CI-DE; EKI-1222/I-CE; EKI-1222CI-DE: 30 x 140 x 95 mm (1.18" x 5.51" x 3.74") EKI-1224/CI/I-CE: 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-1221: 0.472 Kg EKI-1222: 48 Kg
EKI-1224: 0.555 Kg
Power Requirements
- Power Input 12 ~ 48 VDC, redundant dual inputs
- Power Connector Terminal block
- Power Consumption EKI-1221: 3.2 W EKI-1222: 3.2 W
EKI-1224: 4.1 W
Environment
- Operating Temperature EKI-1221/EKI-1222/EKI-1224: -10 ~ 60 °C (14 ~ 140 °F)
'CI & I' models: -40 ~ 80 °C (-40 ~ 176 °F)
- Storage Temperature -40 ~ 85 °C (-40 ~ 185 °F)
- Operating Humidity 10 ~ 95% RH
Regulatory Approvals
- EMC CE, FCC Part 15 Subpart B (Class A)
- Hazardous location UL/cUL (Class I, Division 2, Groups A, B, C and D), ATEX (Zone 2 Ex nA nC IIC T4 Gc)
Port to Port Isolation ('CI' models)
- Serial to Ethernet 2 kV
- Serial to Power 2 kV
- Ethernet to Power 1.5 kV
Ordering Information
- EKI-1221-CE 1-port RS-232/422/485 Modbus Gateway
- EKI-1222-CE 2-port RS-232/422/485 Modbus Gateway
- EKI-1224-CE 4-port RS-232/422/485 Modbus Gateway
- EKI-1221I-CE 1-port RS-232/422/485 Modbus Gateway with Wide Operating Temperature
- EKI-1222I-CE 2-port RS-232/422/485 Modbus Gateway with Wide Operating Temperature
- EKI-1224I-CE 4-port RS-232/422/485 Modbus Gateway with Wide Operating Temperature
- EKI-1221CI-DE 1-port RS-232/422/485-2w/485-4w Modbus Gateway with Wide operation temperature and isolation
- EKI-1222CI-DE 2-port RS-232/422/485-2w/485-4w Modbus Gateway with Wide operation temperature and isolation
- EKI-1224CI-CE 4-port RS-422/485 Modbus Gateway with Wide Operation Temperature and Isolation
- OPT1-DB9 D-Sub9 to Terminal Converter
