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- Supports surge protection for D.C. power ports with line to line 2 KV, and line to earth 4 KV; for signal ports with 4 KV.
- Automatic RS-485 data flow control
- Built-in 15 KV ESD protection for all serial signals
- Mounts on DIN-rail and Wall mount
- Software selectable RS-232/422/485 communication
- Support up to 16 connections on each serial port under Modbus Master mode and 128 sessions under Modbus Slave mode.
- Supports up to 921.6 kbps, and any baud rate setting
- Integration of Modbus TCP and Modbus RTU/ASCII networks
- Provides 2 x 10/100 Mbps Ethernet ports for LAN redundancy
| Mfg SKU # : | EKI-1228CI-DR-AE |
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The EKI-1228CI-DR-AE, EKI-1200 series Modbus gateways 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-1228 has two independent Ethernet ports and MAC addresses to provide redundancy and reliability. They provide a simple and cost-effective way to bring remote
management and data accessibility to thousands of devices that cannot connect to a network. EKI-1228 provides a feature that can allow users to select master or slave operation
mode for each serial port. They not only allow an Ethernet master to control serial slaves, but also allow serial masters to control Ethernet slaves.
Ethernet Communication |
Compatibility |
IEEE 802.3, IEEE 802.3u |
Speed |
10/100 Mbps, Auto MDI/MDIX |
Number 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" mode supports RS-422/485) |
No. of Ports |
8 |
Port Connector |
DB9 male |
Data Bits |
5, 6, 7, 8 |
Stop Bits |
1, 1.5, 2 |
Parity |
None, Odd, Even, Space, Mark |
Flow Control |
XON/XOFF, RTS/CTS, DTR/DSR |
Baud Rate |
50 bps ~ 921.6 kbps, any baud rate setting |
Serial Signals |
RS-232: TxD, RxD, CTS, RTS, DTR, DSR, DCD, RI, GND
RS-422: TxD+, TxD-, RxD+, RxD-, GND
RS-485: Data+, Data-, GND |
Protection |
Built-in 15 KV ESD for all 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 |
ICMP, IP, TCP, UDP, BOOTP, DHCP, Auto IP, HTTP, DNS, SMTP, ARP, NTP |
General |
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System: Power, System Status
LAN: Speed, Link/ Active |
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Built-in WDT (watchdog timer) |
Mechanics |
Dimensions (WxHxD) |
86.6 x 140 x 95 mm (3.41" x 5.51" x 3.74") |
Enclosure |
Metal with solid mounting hardware |
Mounting |
DIN-rail, Wall |
Weight |
EKI-1228/I: 900g, EKI-1228CI: 1000g |
General |
LED Indicators |
System: Power, System Status/LAN: Speed, Link/Active Serial: Tx, Rx |
Power Requirements |
Power Input |
12 ~ 48 VDC, redundant dual inputs |
Power Connector |
Terminal block |
Power Consumption |
EKI-1228/I: 5W
EKI-1228CI: 6W |
Environment |
Operating Temperature |
EKI-1228-DR: -10 ~ 60°C (14 ~ 140°F)
"CI" & "I" mode: -40 ~ 70°C (-40 ~ 158°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) |
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