ETHERNET Communications |
Compatibility |
IEEE802.3
IEEE802.3u |
Speed |
10/100 Mbps |
No. of Ports |
2 |
Port Connector |
8-pin RJ45 |
Protection |
Built-in 1.5 KV magnetic isolation |
Serial Communications |
Port Type |
RS-232/422/485, software selectable
("CI" model supports RS-422/485) |
LED Indicators |
Per Unit: Power Status (Power) Per port, 10/100T: Link/Activity, Full-duplex/Collision, Speed Per port, 100FX: Link/Activity, Full-duplex/Collision |
No. of Ports |
EKI-1221: 1
EKI-1222: 2
EKI-1224: 4 |
Port Connector |
DB9 male |
Data Bits |
5, 6, 7, 8 |
Stop Bits |
1, 2 |
Parity |
None, Odd, Even, Space, Mark |
Flow Control |
XON/ XOFF, RTS/ CTS |
Baud Rate |
50 bps – 921.6 kbps, any baud rate setting |
Serial Signals |
RS-232: TxD, RxD, CTS, RTS, DCD, RI, GND
RS-422: TxD+, TxD-, RxD+, RxD-, GND
RS-485: Data+, Data-, GND |
Protection |
15 KV ESD for all signals
'CI' models: 2KV Isolation for RS-422/485 signals |
Software |
OS Support |
32-bit/64-bit Windows XP/Vista/7/8/8.1/10, Windows Server 2003/2008/2008 R2/2012/2012 R2 |
Utility Software |
Advantech EKI Device Configuration Utility |
Operation Modes |
Modbus RTU Master/Slave mode
Modbus ASCII Master/Slave mode |
Configuration |
Windows Utility, Web Browser |
Protocols |
Modbus RTU, Modbus TCP, Modbus ASCII |
General |
LED Indicators |
System: Power, System Status
LAN: Speed, Link/ Active
Serial: Tx, Rx |
Reboot Trigger |
Built-in (watchdog timer) |
Mechanics |
Dimensions (W x H x D) |
EKI-1221/1222: 37 x 140 x 95 mm (1.46" x 5.51" x 3.74")
EKI-1224: 55 x 140 x 95 mm (2.17" x 5.51" x 3.74") |
Enclosure |
Metal with solid mounting hardware |
Mounting |
DIN-rail, Wall |
Weight |
EKI-1221: 0.472 Kg
EKI-1222: 0.48 Kg
EKI-1224: 0.555 Kg |
Power Requirements |
Power Input |
12-48 Voc, 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 ~ 70 °C (-40 ~ 158 °F) |
Storage Temperature |
-20 ~ 80 °C (-4 ~ 176 °F) |
Operating Humidity |
5 ~ 95% RH |
Regulatory Approvals |
EMC |
CE, FCC Part 15 Subpart B (Class A) |
Port to Port Isolation (“CI” models) |
Serial to Ethernet |
2 kV |
Serial to Power |
2 kV |
Ethernet to Power |
1.5 kV |
