The documentation and the software included with this product are copyrighted 2006
by Advantech Co., Ltd. All rights are reserved. Advantech Co., Ltd. reserves the right
to make improvements in the products described in this manual at any time without
notice. No part of this manual may be reproduced, copied, translated or transmitted
in any form or by any means without the prior written permission of Advantech Co.,
Ltd. Information provided in this manual is intended to be accurate and reliable. However, Advantech Co., Ltd. assumes no responsibility for its use, nor for any infringements of the rights of third parties, which may result from its use.
Acknowledgements
Intel and Pentium are trademarks of Intel Corporation.
Microsoft Windows and MS-DOS are registered trademarks of Microsoft Corp.
All other product names or trademarks are properties of their respective owners.
Product Warranty (2 years)
Advantech warrants to you, the original purchaser, that each of its products will be
free from defects in materials and workmanship for two years from the date of purchase.
This warranty does not apply to any products which have been repaired or altered by
persons other than repair personnel authorized by Advantech, or which have been
subject to misuse, abuse, accident or improper installation. Advantech assumes no
liability under the terms of this warranty as a consequence of such events.
Because of Advantech’s high quality-control standards and rigorous testing, most of
our customers never need to use our repair service. If an Advantech product is defective, it will be repaired or replaced at no charge during the warranty period. For outof-warranty repairs, you will be billed according to the cost of replacement materials,
service time and freight. Please consult your dealer for more details.
If you think you have a defective product, follow these steps:
1.Collect all the information about the problem encountered. (For example, CPU
speed, Advantech products used, other hardware and software used, etc.) Note
anything abnormal and list any onscreen messages you get when the problem
occurs.
2.Call your dealer and describe the problem. Please have your manual, product,
and any helpful information readily available.
3.If your product is diagnosed as defective, obtain an RMA (return merchandize
authorization) number from your dealer. This allows us to process your return
more quickly.
4.Carefully pack the defective product, a fully-completed Repair and Replacement
Order Card and a photocopy proof of purchase date (such as your sales receipt)
in a shippable container. A product returned without proof of the purchase date
is not eligible for warranty service.
5.Write the RMA number visibly on the outside of the package and ship it prepaid
to your dealer.
Part No. 2003152101Edition 2
Printed in TaiwanJanuary 2008
EKI-1521/1522/1524 User Manualii
Declaration of Conformity
CE
This product has passed the CE test for environmental specifications when shielded
cables are used for external wiring. We recommend the use of shielded cables. This
kind of cable is available from Advantech. Please contact your local supplier for
ordering information.
CE
This product has passed the CE test for environmental specifications. Test conditions
for passing included the equipment being operated within an industrial enclosure. In
order to protect the product from being damaged by ESD (Electrostatic Discharge)
and EMI leakage, we strongly recommend the use of CE-compliant industrial enclosure products.
FCC Class A
Note: This equipment has been tested and found to comply with the limits for a Class
A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in
which case the user will be required to correct the interference at his own expense.
Technical Support and Assistance
1.Visit the Advantech web site at www.advantech.com/support where you can find
the latest information about the product.
2.Contact your distributor, sales representative, or Advantech's customer service
center for technical support if you need additional assistance. Please have the
following information ready before you call:
– Product name and serial number
– Description of your peripheral attachments
– Description of your software (operating system, version, application software,
etc.)
– A complete description of the problem
– The exact wording of any error messages
Safety Instructions
1.Read these safety instructions carefully.
2.Keep this User Manual for later reference.
3.Disconnect this equipment from any AC outlet before cleaning. Use a damp
cloth. Do not use liquid or spray detergents for cleaning.
4.For plug-in equipment, the power outlet socket must be located near the equip-
ment and must be easily accessible.
5.Keep this equipment away from humidity.
iiiEKI-1521/1522/1524 User Manual
6.Put this equipment on a reliable surface during installation. Dropping it or letting
it fall may cause damage.
7.The openings on the enclosure are for air convection. Protect the equipment
from overheating. DO NOT COVER THE OPENINGS.
8.Make sure the voltage of the power source is correct before connecting the
equipment to the power outlet.
9.Position the power cord so that people cannot step on it. Do not place anything
over the power cord.
10. All cautions and warnings on the equipment should be noted.
11.If the equipment is not used for a long time, disconnect it from the power source
to avoid damage by transient overvoltage.
12. Never pour any liquid into an opening. This may cause fire or electrical shock.
13. Never open the equipment. For safety reasons, the equipment should be
opened only by qualified service personnel.
14. If one of the following situations arises, get the equipment checked by service
personnel:
– The power cord or plug is damaged.
– Liquid has penetrated into the equipment.
– The equipment has been exposed to moisture.
– The equipment does not work well, or you cannot get it to work according to
the user's manual.
– The equipment has been dropped and damaged.
– The equipment has obvious signs of breakage.
15. DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT WHERE THE
STORAGE TEMPERATURE MAY GO BELOW -20° C (-4° F) OR ABOVE 60° C
(140° F). THIS COULD DAMAGE THE EQUIPMENT. THE EQUIPMENT
SHOULD BE IN A CONTROLLED ENVIRONMENT.
16. CAUTION: DANGER OF EXPLOSION IF BATTERY IS INCORRECTLY
REPLACED. REPLACE ONLY WITH THE SAME OR EQUIVALENT TYPE
RECOMMENDED BY THE MANUFACTURER, DISCARD USED BATTERIES
ACCORDING TO THE MANUFACTURER'S INSTRUCTIONS.
17. The sound pressure level at the operator's position according to IEC 704-1:1982
is no more than 70 dB (A).
DISCLAIMER: This set of instructions is given according to IEC 704-1. Advantech
disclaims all responsibility for the accuracy of any statements contained herein.
Safety Precaution - Static Electricity
Follow these simple precautions to protect yourself from harm and the products from
damage.
To avoid electrical shock, always disconnect the power from your PC chassis
before you work on it. Don't touch any components on the CPU card or other
cards while the PC is on.
Disconnect power before making any configuration changes. The sudden rush
of power as you connect a jumper or install a card may damage sensitive electronic components.
Advantech's EKI-1500 series of Industrial Device Servers are a robust, feature-rich,
and cost effective way to network-enable equipment in an industrial automation environment. The EKI-1521/1522/1524 provides one, two, or four serial ports, two
switched Ethernet ports, a wide range of power inputs, and a compact slim design,
making them an ideal solution for connecting multiple asynchronous RS-232/422/485
serial devices to an Ethernet network.
The two Ethernet ports allow the EKI-1521/1522/1524 to establish two separate
Ethernet connections to two Ethernet domain or two Ethernet Switches in the same
domain. Through dual Ethernet connections, the EKI-1521/1522/1524 greatly
improves the device connectivity reliability, increase system stability, and simplify the
redundant configuration.
By encapsulating serial data and transporting it over Ethernet, the EKI-1521/1522/
1524 allows virtual serial links over Ethernet and IP (TCP/IP, UDP/IP) networks. After
Advantech Serial Device Server Configuration Utility installation, standard serial
operation calls are transparently redirected to the serial device servers, guaranteeing
compatibility with legacy serial devices and enabling backward compatibility with
existing software. EKI-1521/1522/1524 also supports serial tunneling, allowing two
native serial devices to communicate over a network without any hosts and programming. As a result, you can extend limited distance, point-to-point, direct serial connections within the plant, throughout the factory, the facility, the office building, or
across the global enterprise.
The EKI-1521/1522/1524 provides an impressive list of features and functions
enabling multiple industrial devices to be connected, controlled, configured, managed, and updated over a network. With serial ports and two auto-sensing Ethernet
ports, the EKI-1521/1522/1524 can easily connects multiple serial devices to a network.
The transmission speed of the EKI-1521/1522/1524 is up to 1.2M bps totally outstripping the competition to meet the demand for high-speed exchange. Functionally
transparent and efficient, the EKI-1521/1522/1524 is especially designed for remotely
controlling and monitoring devices via the Internet.
EKI-1521/1522/1524 provides various TCP/UDP operations: COM port redirection
(Virtual COM port), TCP server/ client and UDP mode. Serial devices can be connected by means of multi-access modes.
EKI-1521/1522/1524 User Manual2
1.2Features
Expand up 255 serial ports for one Windows 2000/XP/Vista (x86) host
Provides dual 10/100 Mbps auto-sensing Ethernet ports: establish two separate
Ethernet connection
Supports high transmission speed up to 921.6 Kbps
Supports various operation mode: COM port redirection (Virtual COM port),
TCP server/client, UDP server/client mode
Supports LED indicators: easy to diagnose
Supports integrated Configuration Utility and Port-Mapping Utility: easy to con-
figure and manage 255 COM ports and self-diagnostic
Supports multi-access features: allows maximum of five hosts to access one
serial port simultaneously
Allows maximum 16 hosts to access TCP client and command response mode
Easy to locate specific EKI-1500 serial device server
Mounts on DIN rail, or panel
Surge protection for RS-422/485 line and power supply
SNMP MIB-II for network managment
1.3Specifications
Chapter 1Overview
LAN
Ethernet: 10/100 Mbps auto sensing
No. of Ports: 2
Port Connector: RJ45
Protection: Built-in 1.5 KV magnetic isolation
Serial Interface
Interface: RS-232/422/485, software selectable
No. of Ports:
Operation Temperature: 0 to 60°C (32 to 140°F)
Storage Temperature: -20 to 85°C (-4 to 185°F)
Operating Humidity: 5 to 95% RH
Regulatory Approvals
ECM: CE, FCC Part 15 Subpart B (Class A)
Safety: UL (UL60950-1), Class 1, Div II (pending)
1.4Package Check List
One EKI-1500 serial device server
One RS-232 loopback DB9 tester
Panel mounting bracket
CD-ROM for utility and manual
EKI-1521/1522/1524 User Manual4
Chapter2
2 Getting Started
2.1Understanding EKI-1521/1522/1524
The EKI-1521/1522/1524 are network-based, serial device servers for connecting
RS-232/422/485 devices, such as CNCs, PLCs, scales, and scanners, directly to a
TCP/IP network. Once connected through EKI-1521/1522/1524, the serial device will
be able to send and receive data on a network like any other network device. It
extends traditional COM ports of a PC with access over a TCP/IP network. Through
networking, you can control and monitor remote serial devices either over a LAN or
over the WAN. Since the EKI-1521/1522/1524 is connected through a TCP/IP network, you might need to know some basic facts about networking in order to get the
server hooked up correctly.
2.1.1Product Description
The EKI-1521/1522/1524 is designed to network-enable any RS-232/422/485 serial
device and provide industry-grade hardware and easy-use software to make connecting serial devices to an Ethernet network a surprisingly simple process. These
units immediately upgrade your existing serial devices for integration into the Internet
world. The EKI-1521/1522/1524 features a lot of powerful functions such as: high
speed data transfer, access-control, auto-detection of all EKI series products, remote
connection from different network domain, remote firmware download, and more.
After the simple installation steps to attach your network and serial device to the
appropriate connectors on the serial device servers and driver installation, you will
then be able to communicate with the serial devices via its own application software
and with the EKI serial device server. COM port redirector, TCP server mode, TCP
client mode, UDP server mode, UDP client mode and Control mode are all different
schemes to make a serial connection across using one or more Serial device server.
EKI-1521/1522/1524 provides dual Ethernet ports that can establish two physical
Ethernet connections. Dual connection control enables an alternative backup session
that host can connect to device server by the way of second connection while the primary connection should be lost or dropped.
Figure 2.1 Dual Ethernet Connections
EKI-1521/1522/1524 User Manual6
2.1.2COM Port Redirector (Virtual COM Port)
Advantech Serial Device Server Configuration Utility is a serial COM port redirector
that creates virtual COM ports and provides access to serial device connected to
Advantech serial device server. You can configure the serial device server and
enable the Virtual COM port using one integrated utility. Advantech Serial Device
Server Configuration Utility allows you to configure Microsoft applications to
communicate with network enabled serial device servers as easily as if they were
physically installed in or directly connected on the PC.
The Advantech redirector can create up to 255 virtual COM ports. Application on the
host can open virtual COM port to access the serial device servers at the same time.
The redirector will handle each active virtual COM port as a separate TCP
connection to Advantech serial device servers.
Chapter 2Getting Started
2.1.2.1 Normal Mode
The Advantech redirector connects the Advantech serial device servers while an
application open the COM port and disconnects from the Advantech serial device
servers when the application closes the COM port. The redirector uses TCP network
connections to the Advantech serial device server to gain the access to the
connected serial devices.
Figure 2.2 COM Port Redirector
7EKI-1521/1522/1524 User Manual
2.1.2.2 Multi-Access Mode (Shared COM port mode)
Most of serial devices are connected directly and physically to the PC serial ports via
a cable. The operation system, ex. Windows XP, provides the COM ports that user’s
application can access, and control the serial device through the serial cable. This
means that the serial device can be connected to one host and only one application
on this host can handle input, output and control operation on this device.
If you want to run more than one applications to use a serial device, you can employ
EKI serial device servers that provide a virtual COM port for a host or multi-hosts on
an Ethernet network. EKI serial device server is located between hosts and serial
devices. Each serial port on the EKI serial device server can allow max. five host
connections through one Ethernet port or two Ethernet ports. There are two major
operation modes for Multi-Access Mode. First one is broadcast mode; EKI serial
device server handles a command from one application and replies the data from the
serial port to all applications that are connecting this serial port. Another one is polling
mode; EKI serial device server handles the command from one application and reply
to this application only. Query from other applications must be queued and wait for
current process completing.
Figure 2.3 Multi-Access Mode
By using a serial derive server to share serial device, you eliminate the separate
serial lines and serial devices that can be attached to individual hosts. Collecting the
data from these serial devices become more easily and more effectively.
EKI-1521/1522/1524 User Manual8
2.1.3TCP Server Mode
In TCP server mode, you might initiate the TCP connection from host to EKI serial
device server. This operation mode support max. five simultaneous connections for
each serial port on EKI serial device server from one host or several hosts, however
multi-hosts collect the data from one serial port at the same time
Chapter 2Getting Started
2.1.4TCP Client Mode
In TCP Client mode, the TCP connection will be established from EKI serial device
server. This operation mode supports max.16 simultaneous connections for each
serial port on EKI-1521/1522/1524 to one host or several hosts. You should configure
the IP address and TCP port number of the network hosts which the EKI serial device
server connect to using Advantech Serial Device Server Configuration Utility. After
configuration, when EKI serial device server receives the data from serial port, the
device server will employ the connection to hosts which are configured.
Figure 2.4 TCP Server Mode
Figure 2.5 TCP Client Mode
9EKI-1521/1522/1524 User Manual
2.1.5Serial Tunneling Mode
Two native serial devices can communicate over an Ethernet network without any
intermediate host PC and software programming. Serial Tunneling is very simple to
use. You can use Advantech Serial Device Server Configuration Utility to designate
one serial port as the tunneling master and another serial device server port as the
tunneling slave.
Figure 2.6 Serial Tunneling Mode
2.1.6UDP Server/Client Mode
UDP is used primarily for broadcasting messages over a network. In the UDP server
mode, EKI-1521/1522/1524 access max. 8 hosts’ UDP message. In the UDP client
mode, EKI serial device servers transmit UDP message to max. 16 hosts simultaneously.
2.1.7Control Mode
In controlling mode, the EKI serial device server presents a modem interface to the
attached serial device: it accepts AT-style modem commands to connect / disconnect
to other networking device. If you want serial device running application program to
connect/disconnect to different devices by request, you can use controlling mode.
The controlling mode provides three kinds of modem AT-style commands. The serial
devices can use these commands to control EKI-1521/1522/1524 connecting or disconnecting to remote networking devices. Thus intelligent serial devices such as
stand-alone PLC will send /receive data to/from devices one by one via Ethernet.
EKI-1521/1522/1524 User Manual10
2.2Hardware
In this section, we will give you an overview of EKI-1521/1522/1524 hardware and
installation.
2.2.1LED Indicators
There are LEDs display the power status, network status, and serial communication
status located on the front panel of EKI-1521, EKI-1522, and EKI-1524, each of them
has its own specific meaning as below table.
Table 2.1: EKI-1521/1522/1524 LED Indicators
LED NameLED ColorLED Description
P1GreenPower 1 is on.
OffPower 1 is off, or power error condition exists.
P2GreenPower 2 is on.
OffPower 2 is off, or power error condition exists.
StatusOrangeBlinking: System is ready.
OffSystem is not working.
EthernetOrangeBlinking: Ethernet port is transmitting or receiving data.
GreenOn: 100Mbps Ethernet connection.
SerialOrangeSerial port is transmitting data.
GreenSerial port is receiving data.
OffNo data is transmitted or received through the serial port.
Chapter 2Getting Started
Steady on: The device server has been located by utility’s
location function.
Steady on: Ethernet has the good link for 10Mbps or 100Mbps
operations.
Off: 10Mbps Ethernet connection.
11EKI-1521/1522/1524 User Manual
2.2.2Dimensions (Units: mm)
2.2.2.1 EKI-1521 and EKI-1522
Figure 2.7 Front View of EKI-1521/1522
Figure 2.8 Side View of EKI-1521/1522
EKI-1521/1522/1524 User Manual12
Chapter 2Getting Started
Figure 2.9 Back View of EKI-1521/1522
Figure 2.10 Top View of EKI-1521/1522
13EKI-1521/1522/1524 User Manual
2.2.2.2 EKI-1524
Figure 2.11 Front View of EKI-1524
Figure 2.12 Side View of EKI-1524
EKI-1521/1522/1524 User Manual14
Chapter 2Getting Started
Figure 2.13 Back View of EKI-1524
Figure 2.14 Top View of EKI-1524
2.3Connecting Hardware
Next, we will explain how to find a proper location for your EKI-1521/1522/1524, and
then explain how to connect to the network, hook up the power cable, and connect to
the EKI-1521/1522/1524 serial port.
2.3.1Choosing the Location
Due to its versatility and innovative design, EKI serial device server can be:
Fixed to a panel mount
Fixed to a DIN-rail.
15EKI-1521/1522/1524 User Manual
2.3.1.1 Panel/Wall Mounting
The EKI-1521/1522/1524 can be attached to a wall using the included metal brackets. Each bracket comes with four screws; and then you can install the device firmly
via the components, please see the figure as below.
2.3.1.2 DIN Rail Mounting
You can mount the EKI-1521/1522/1524 on a standard DIN-rail. The DIN-rail kit is
screwed on the serial device server when out of factory. If the DIN-rail kit is not
screwed on the serial device server, please screw the DIN-rail kit on the serial device
server first.
First, hang the EKI-1521/1522/1524 to the DIN-rail with angle of inclination. See
below figure.
Figure 2.15 Combine the Metal Mounting Kit
Figure 2.16 DIN-rail Step 1
EKI-1521/1522/1524 User Manual16
Then, let the device down straight to slide over the rail smoothly.
Figure 2.17 DIN-rail Step 2
Chapter 2Getting Started
2.3.2Network Connection
EKI-1521/1522/1524 has 2x RJ-45 that support connection to 10 Mbps Ethernet, or
100 Mbps Fast Ethernet, and half or full duplex operation. EKI-1521/1522/1524 can
be connected to other hubs or switches through a twisted-pair straight through the
cable or a crossover cable up to 100m long.
2.3.3Power Connection
The EKI-1521/1522/1524 supports dual 12 to 48 VDC power inputs and power-fail
relay output.
Figure 2.18 Power Connector
You can connect an alarm indicator, buzzer or other signaling equipment through the
relay output. The relay opens if power input 1 or 2 fails (“Open” means if you connect
relay output with an LED, the light would be off).
17EKI-1521/1522/1524 User Manual
2.3.4Serial Connection
EKI-1521/1522/1524 provides one, two, or four ports DB9 (male) connectors. RS232/422/485 pin assignments as below:
Table 2.2: EKI-1521/1522/1524 Serial Pin Assignments
Pin123456789
RS-232DCDRXTXDTRGNDDSRRTSCTSRI
RS-422TX---TX+GND-RX+-RX-
RS-485DATA---DATA+GND----
2.4Installing the Configuration Utility
The following section will show you how to install the Advantech serial device server
configuration utility, a tool to set up and monitor the EKI-1500 serial device servers.
Note!Be sure the Microsoft .NET Framework on your host PC is greater than
version 2.0.
1.Insert the Advantech industrial communication IEDG series driver utility CD into
the CD-ROM drive (e.g. E:\) on the host PC.
2.Use Windows explorer or the Windows Run command to execute the setup pro-
gram, the path for the setup program on the CD-ROM should be: E:\Utility&Driver\SerialDeviceServerConfigurationUtility\Serial_Device_Server_Config
uration_Utility_[Version]_Release_[date].exe
3.Upon executing the setup program, the Welcome Dialog Box will be pop-up.
Press the "Next" button to continue.
EKI-1521/1522/1524 User Manual18
4.Carefully read the Software License Agreement, and press "Yes" to continue.
5.The Setup program will specify a default installation path: C:\Program
Files\Advantech eAutomation\Serial Device Server Configuration Utility\
Chapter 2Getting Started
6.After setup has copied all program files to your computer, click the <Finish> but-
ton to finish the installation.
19EKI-1521/1522/1524 User Manual
EKI-1521/1522/1524 User Manual20
Chapter3
3 Configuration
3.1Configuration Utility Overview
EKI-1500 serial device servers provide an easy-to-use utility to configure your serial
device server through an Ethernet connection. For secure administration, it can also
restrict the access rights for configuration to only one host PC. With this secure function enabled, other PCs will not have permission for configuration. After the installation program on the Advantech IEDG Series Driver Utility CD-ROM is finished, the
serial device servers will be ready for use and configure.
Advantech Serial Device Server Configuration Utility is an excellent device server
management tool. You can connect and configure the local and remote Advantech
serial device servers easily. Moreover, Virtual COM port will be enabled in the same
utility. Using this utility, you can:
Configure the network settings (you can set the IP address, Gateway address,
and Subnet mask)
View and set the serial port parameters (configure operating mode, baud rate,
serial port settings and operating mode settings)
Perform diagnostic tests (virtual COM port testing, port status list)
Perform administrative functions (export and import the serial device server
setting, manage access IP, a descriptive name, upgrade firmware)
Configure COM port redirector (virtual COM port)
You may open the Serial Device Server Configuration Utility from the Windows Start
Menu by clicking Start Device Server Configuration Utility. The Serial Device Server Configuration Utility
will appear as below.
There are four major areas in this new serial device server configuration utility.
1.Serial Device Server List Area: All devices will be searched and listed in this
area. You can arrange different favorite group and virtual COM ports.
2.Serial Device Server Information Area: Click on the serial device server or move
cursor to the serial device server, the related information will be shown on this
area.
3.Configuration Area: Click on the item on the Device Server List Area, the
configuration page will display on the area.
4.Quick Tool Bar: Useful management functions shortcut.
Æ
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EKI-1521/1522/1524 User Manual22
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