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Serial Device Servers

Features

EKI-1221

EKI-1222

EKI-1224

 Provides 2 x 10/100 Mbps Ethernet ports for LAN redundancy

 Integration of Modbus TCP and Modbus RTU/ASCII networks

 Supports baud rates up to 921.6 kbps

 Supports up to 16 connections and 32 requests simultaneously

 Supports 31 slaves per serial port

 Easy-managing Advantech Serial Device Server Conﬁguration Utility for

Windows 2000/XP/Vista

 Auto searching slave ID over conﬁguration utility

 Software selectable RS-232/422/485 communication

 Mounts on DIN-rail, wall or panel

 Built-in 15 KV ESD protection for all serial signals

 Automatic RS-485 data ﬂow control

Speciﬁcations

Ethernet Communications

 Compatibility IEEE 802.3, IEEE 802.3u

 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

 No. of Ports EKI-1221: 1

EKI-1222: 2

EKI-1224: 4

 Port Connector DB9 male

 Data Bits 7, 8

 Stop Bits 1, 2

 Parity None, Odd, Even, Space, Mark

 Flow Control XON/XOFF, RTS/CTS, DTR/DSR

 Baud Rate 50 bps ~ 921.6 kbps

 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 15 KV ESD for all signals

Software

 OS Support Windows 2000/XP/Vista

 Utility Software Advantech Serial Device Server Conﬁguration Utility

 Operation Modes Modbus RTU Master/Slave mode

Modbus ASCII Master/Slave mode

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-1221/1222: 37 x 140 x 95 mm

EKI-1224: 55 x 140 x 95 mm

 Enclosure Metal with solid mounting hardware

 Mounting DIN-rail, Panel

 Weight EKI-1221: 592g

EKI-1222: 600g

EKI-1224: 668g

Power Requirements

 Power Input 12 ~ 48 V

, redundant dual inputs

 Power Connector Terminal block

 Power Consumption EKI-1221: 2 W

EKI-1222: 2.5 W

EKI-1224: 4 W

Environment

 Operating Temperature -10 ~ 60° C (14 ~ 140° 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)

 Safety UL (UL60950-1)

 Hazardous Location UL/cUL Class I, Division 2

Ordering Information

 EKI-1221 1-port Modbus Gateway

 EKI-1222 2-port Modbus Gateway

 EKI-1224 4-port Modbus Gateway

Introduction

The 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-1221/1222/1224 feature two independent Ethernet ports and MAC addresses to provide a redundant networking mechanism to guarantee Ethernet networking

reliability. They provide a simple and cost-effective way to bring the advantage of remote management and data accessibility to thousand of devices that can not connect to a network.

The EKI-1221/1222/1224 provide 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.

1-port Modbus Gateway

2-port Modbus Gateway

4-port Modbus Gateway

EKI-1221 EKI-1222

5R+6

COMPLIANT



EKI-1224

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