1/2/4 Port Ethernet to
RS-232/422/485 Data Gateway
User’ s Manual
Copyright Notice
This document is copyrighted, 2001, by Advantech Co., Ltd. All rights
are reserved. Advantech Co., Ltd., reserves the right to make improvements to 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 upon
the rights of third parties which may result from its use.
CE Notification
The ADAM-4570/ADAM-4571/EDG-4504 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 ADAM-4570/ADAM-4571/EDG-4504 system from being
damaged by ESD (Electrostatic Discharge) and EMI leakage, we
strongly recommend the use of CE-compliant industrial enclosure
products.
3nd Edition
Printed T aiwanJanuary 2002
Advantech Customer Services
Each and every Advantech product is built to the most exacting
specifications to ensure reliable performance in the unusual and
demanding conditions typical of industrial environments. Whether
your new Advantech equipment is destined for the laboratory or the
factory floor, you can be assured that your product will provide the
reliability and ease of operation for which the name Advantech has
come to be known.
Your satisfaction is our number one concern. Here is a guide to
Advantech’s customer services. To ensure you get the full benefit of
our services, please follow the instructions below carefully.
Technical Support
W e want you to get the maximum performance from your products. So
if you run into technical difficulties, we are here to help. For most
frequently asked questions you can easily find answers in your
product documentation. These answers are normally a lot more
detailed than the ones we can give over the phone.
Please consult this manual first. If you still cannot find the answer,
gather all the information or questions that apply to your problem and,
with the product close at hand, call your dealer. Our dealers are well
trained and ready to give you the support you need to get the most
from your Advantech products. In fact, most problems reported are
minor and are able to be easily solved over the phone.
In addition, free technical support is available from Advantech
engineers every business day. We are always ready to give advice on
application requirements or specific information on the installation and
operation of any of our products.
Product Warranty
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 other than repair personnel authorized by
Advantech, or which have been subject to misuse, abuse, accident or
improper installation. Advantech assumes no liability as a consequence of such events under the terms of this Warranty.
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 ever does prove defective, it will be repaired or
replaced at no charge during the warranty period. For out-of-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 (e.g. type
of PC, CPU speed, Advantech products used, other hardware and
software used etc.). Note anything abnormal and list any on-screen
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, you have to request an
RMA number. When requesting an RMA (Return Material Authorization) number, please access ADVANTECH’ s RMA website: http://
www .advantech.com.tw/rma. If the web sever is shut down, please
contact our office directly . Y ou should fill in the “Problem Repair
Form”,describing in detail the application environment, configuration, and problems encountered. Note that error descriptions such as
“does not work” and “failure” are so general that we are then
required to apply our internal standard repair process.
4 .Carefully pack the defective product, a completely filled-out Repair
and Replacement Order Card and a photocopy of dated proof of
purchase (such as your sales receipt) in a shippable container. A
product returned without dated proof of purchase 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.
Table 2-1ADAM-4570 LED Definition ...................................................... 13
Table 2-2ADAM-4571 LED Definition ...................................................... 15
Table 2-3EDG-4504 LED Definition ......................................................... 17
1
Chapter
Overview
1.1 Introduction
The ADAM-4570/ADAM-4571/EDG-4504 is a lightning fast and cost effective data gateway between RS232/422/485 and Ethernet interfaces. This unit immediately upgrades your existing device(s) to the Ethernet
world. Functionally transparent and efficient, the
ADAM-4570/ADAM-4571/EDG-4504 is specially
designed for remotely controlling and monitoring devices via the Internet.
The ADAM-4570/ADAM-4571/EDG-4504 provides
one, two or four RS-232/485/422 serial ports that can
each be easily configured for your needs. For increasing the reliability of systems, the ADAM-4570 also provides three significant functions: Host idle, Device idle
and Auto-reconnect. The ADAM-4570/ADAM-4571/
EDG-4504 also supports transmission speeds up to 230
Kbps, meeting the demand for today’ s high-speed exchange. Users can use a Windows utility to configure
the ADAM-4570/ADAM-4571/EDG-4504 without
need for further programming. The ADAM-4570/
ADAM-4571/EDG-4504 not only protects your current hardware investment but also ensures future network expandability . Since the protocol conversion is
transparent, all existing devices can be seamlessly integrated into the Ethernet network. Therefore, the
ADAM-4570/ADAM-4571/EDG-4504 can be used
in security systems, factory automation, SCADA, transportation and more.
The ADAM-4570/ADAM-4571/EDG-4504 integrates both your existing human-machine interface software (HMI) and RS-232/422/485 system architecture
with an Ethernet network. The result helps save cabling
space and software development cost. The ADAM4570/ADAM-4571/EDG-4504 also provides a highperformance RISC CPU and real time operating system to reduce CPU load. These components make the
ADAM-4570/ADAM-4571/EDG-4504 more stable
and reliable. Another benefit is the ADAM-4570/
ADAM-4571/EDG-4504 allows users to remotely
download programs to a designated device via Ethernet.
This reduces the need for on-site maintenance and diagnosis. In addition, the ADAM-4570/ADAM-4571/
EDG-4504 comes with a W indows configuration and
port-mapping utility . This configuration tool can autodetect all Ethernet Data Gateway products on a local
network. It also lets users easily adjust all settings. The
port mapping utility helps to set up COM ports for one
Windows 95/98/NT/2000/XP platform. This helps users manage all ports to meet their needs.
Host/Device Idle Protection empowers the reliability of system (ADAM-4570)
For improving the stability of systems, users usually have
to spend lots of effort to build up “Redundant” functionality . Now, the ADAM-4570 provides new powerful functions that help users build up redundant systems fast and easily: The new functions are Host idle &
Device idle.
The purpose of the “Host idle switch” function is to
prevent system hang-up from occurring due to application program failure. If the application program fails,
the ADAM-4570 will cut off the connection between
the host PC and the ADAM-4570. Another PC can
then start to access the same ADAM-4570. Also, if
the serial device or communication between the device and the
ADAM-4570 fails, the “Device Idle” function will switch the
communication port from one port to another port to keep communicating with another device automatically . Thus, another device can send data to the ADAM-4570.
Auto-reconnect after networking breaks
Sometimes, the system crashes because the ADAM-4570/
ADAM-4571/EDG-4504 is interrupted or powered-off by accident. The ADAM-4570/ADAM-4571/EDG-4504 provides
an “Auto-reconnect” function to solve this problem. When the
ADAM-4570/ADAM-4571/EDG-4504 is powered-off accidentally , the driver will keep trying to reconnect the ADAM4570/ADAM-4571/EDG-4504 automatically. When the
ADAM-4570/ADAM-4571/EDG-4504 recovers or is powered-on, due to this auto-reconnect function, the host PC can
send commands to the ADAM-4570/ADAM-4571/EDG-4504
again. This function enhances the reliability of the system.
Auto-detect Ethernet Data Gateway products
The configuration utility can search all the Ethernet Data Gateway devices on the network automatically and configure them
according to the current network status, saving your effort to
acquire the status information yourself.
Easy to diagnose the communication situation
If this test item is selected, an internal test will be done on the
RS-232 serial port, and the result (successful or failed) will be
displayed when the test is completed. If this test item is selected,
an external test will also be done to check that the connection
signals for each port are working properly . For the external test,
you will need to connect each port to a loopback tester . The test
4 ADAM-4570/ADAM-4571/EDG-4504 User’s Manual
is divided into two parts: Signal test and Communication Parameters test. If the results are OK, users can be sure the communication quality between host PC and ADAM-4570/ 4571 is OK.
Easy to maintain by downloading firmware remotely
Advantech continually upgrades ADAM-4570/ADAM-4571/
EDG-4504’s firmware to keep pace with the ever-expanding
world of computing. Y ou can use the Download function located
on the Port Mapping utility to carry out the upgrade procedure.
Please access Advantech’s Web site to download the required
computer file and then follow the instructions.
1.2 Features
• Supports 10/100 Mbps Base-T standard
• Provides a communication redundant function to enhance the
reliability of system.
• Supports high transmission speeds up to 230 Kbps
• Supports an advanced security mechanism to avoid unautho-
rized access
• Auto-reconnect or return error when Network breaks
• Remote download firmware: Easy to maintain
• Auto-detecting Configuration Utility
• Easy managing Port Mapping Utility
• Supports Windows 95/98/NT/2000/XP driver
• Surge protection for RS-485 line and power supply
• Automatic RS-485 data flow control
Chapter 1 Introduction 5
1.3 Specifications
• Protocol: TCP/IP
• Network Port: IEEE 802.3, IEEE 802.3u
• Interface:
Network: 10/100 BASE-T standard
Serial: RS-232, RS-422, RS-485
In this chapter, you will be given an overview of the
ADAM-4570/ADAM-4571/EDG-4504 hardware installation
procedures. As mentioned in the previous chapter, the
ADAM-4570/ADAM-4571/EDG-4504 comes ready for all
network connections, including Ethernet, and RS-232/422/485
port connections.
We begin this chapter with a brief showing the installation
procedure. Y ou can take flow chart for reference.
Figure2-1 Installation Flow Chart
10 ADAM-4570/ADAM-4571/EDG-4504 User’s Manual
2.1 Understanding the ADAM-4570/ADAM-4571/EDG-4504
The ADAM-4570/ADAM-4571/EDG-4504 is an advanced
data gateway unit. 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 W AN.
Since the ADAM-4570/ADAM-4571/EDG-4504 is connected
through a TCPIP network, you will need to know some basic
facts about networking in order to get the server hooked up
correctly .
2.1.1 Network Architecture
Traditional serial port communication uses a COM port board
that slides into one of the slots at the back of your PC. In this
case, only the computer containing the board can access the
serial port. With the ADAM-4570/ADAM-4571/EDG-4504,
you are now able to access the COM port from a distance through
local area network. The ADAM-4570/ADAM-4571/EDG4504 can be integrated within the network architecture of any
protocol. Note, all serial devices which are connected to the
port must have the same protocol running and the same transmission speed. Connect devices running different protocols to
different ports of the ADAM-4570/ADAM-4571/EDG-4504.
Chapter 2 Getting Started 11
The following illustration shows the network architecture as below:
Figure 2-2 Network Architecture(1)
Figure 2-3 Network Architecture(2)
12 ADAM-4570/ADAM-4571/EDG-4504 User’s Manual
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