SSV IGW/920 Manuale utente

Remote Access Gateway IGW/920

with DIL/NetPC DNP/9200

First Steps

SSV Embedded Systems

Dünenweg 5

D-30419 Hannover

Phone: +49 (0)511/40 000-0

Fax: +49 (0)511/40 000-40

E-mail: sales@ssv-embedded.de Document Revision: 2.0

Date: 2011-01-24

For further information regarding our products please visit us at www.dilnetpc.com

Remote Access Gateway IGW/920 - First Steps

SSV

EMBEDDED

SYSTEMS

CONTENT

1INTRODUCTION...............................................................................................................3

1.1 Checklist ................................................................................................................................3

1.2 Usage .....................................................................................................................................3

1.3 Conventions...........................................................................................................................3

2SAFETY GUIDELINES......................................................................................................4

3HARD- AND SOFTWARE REQUIREMENTS ...................................................................5

4CONNECTIONS................................................................................................................6

4.1 RS232 Serial Link..................................................................................................................6

4.2 Ethernet Link .........................................................................................................................7

4.3 Power Supply.........................................................................................................................8

5OPERATION .....................................................................................................................9

5.1 Serial Connection...................................................................................................................9

5.2 Booting the Embedded Linux..............................................................................................11

5.3 Testing the TCP/IP Communication....................................................................................13

5.4 Accessing the Web ConfigTool...........................................................................................15

5.5 Access via Telnet.................................................................................................................16

5.6 Changing the IP Address .....................................................................................................17

6INFORMATION IN THE INTERNET................................................................................18

7MAINTENANCE ..............................................................................................................19

8DISPOSAL ......................................................................................................................19

9TROUBLE SHOOTING ...................................................................................................19

10 TECHNICAL DATA..........................................................................................................20

11 MECHANICAL DIMENSIONS .........................................................................................20

12 PINOUT SCREW TERMINALS.......................................................................................21

13 EMC INFORMATION ......................................................................................................22

14 HELPFUL LITERATURE.................................................................................................23

CONTACT..............................................................................................................................23

DOCUMENT HISTORY .........................................................................................................23

Remote Access Gateway IGW/920 - First Steps

SSV

EMBEDDED

SYSTEMS

1 INTRODUCTION

With the Remote Access Gateway IGW/920 with DIL/NetPC DNP/9200 you bought a sys-

tem, which introduces you in the various types of use of a Linux-based 32-bit embedded sys-

tem.

This documentation gives you an overview about the initial operation and the first steps of

use with your new Remote Access Gateway IGW/920.

For further information regarding the Remote Access Gateway IGW/920 please visit us at

www.ssv-comm.de.

1.1 Checklist

Compare the content of your Remote Access Gateway start-up package with the checklist

below. If any item is missing or appears to be damaged, please contact SSV.

Remote Access Gateway IGW/920 with DIL/NetPC DNP/9200

Documentation

CD-ROM

Adapter cable with power and RS232 connector

Null modem cable

Plug-in power supply

Screwdriver

Note: For operation you will need a 12 – 24 VDC DIN-rail power supply and at least

one Ethernet cross-over cable or two Ethernet patch cables and a switch!

1.2 Usage

On the one hand this Remote Access Gateway is suitable to go the first steps in the field of

home automation. On the other hand it can be used also for full industrial and process auto-

mation applications.

Because of the usage of our popular DIL/NetPC as basis, the Remote Access Gateway

IGW/920 offers – besides the formidable features of performance – an extraordinary high

modularity (DIL-64 form factor).

1.3 Conventions

Convention Usage

bold

Important terms

italic

Filenames, user inputs

monospace Pathnames, program code, command lines

Table 1: Conventions used in this document

Remote Access Gateway IGW/920 - First Steps

SSV

EMBEDDED

SYSTEMS

2 SAFETY GUIDELINES

Please read the following safety guidelines carefully! In case of property or personal

damage by not paying attention to this manual and/or by incorrect handling, we do not

assume liability. In such cases any warranty claim expires.

•To provide the Remote Access Gateway with power an external DIN-rail power supply

is needed. The power supply should be in immediate proximity to the Remote Access

Gateway.

•The power supply must provide a stable output voltage between 12 - 24 VDC. The out-

put power should be at least 2.5 W.

•Please pay attention that the power cord or other cables are not squeezed or damaged in

any way when you set up the Remote Access Gateway.

•The installation of the Remote Access Gateway should be done only by qualified per-

sonnel.

•Discharge yourself electrostatic before you work with the Remote Access Gateway, e.g.

by touching a heater of metal, to avoid damages.

•Stay grounded while working with the Remote Access Gateway to avoid damage

through electrostatic discharge.

•The case of the Remote Access Gateway should be opened only by qualified personnel.

Remote Access Gateway IGW/920 - First Steps

SSV

EMBEDDED

SYSTEMS

3 HARD- AND SOFTWARE REQUIREMENTS

To work with the Remote Access Gateway IGW/920 a software development environment is

needed.

This development environment requires a computer as development system to access the

Remote Access Gateway via serial console or Telnet. Therefore usually a PC with Intel Pen-

tium or AMD processor under Windows or Linux is used. This PC should comply with the

following hard- and software requirements:

•Windows 2000/XP/7 or Linux

•Serial (COM) interface

•Terminal program (HyperTerminal or Minicom)

•10/100 Mbps Ethernet network controller and TCP/IP configuration

•Web browser

•Telnet client

•CD-ROM drive

Please check which IP address your PC actual has. Keep this address in mind.

On a Linux-PC just open a shell console and enter ifconfig. On a Windows-PC please

open a DOS window (you can find it in the Windows Start menu) and enter: ipconfig.

Now the IP address is displayed in the DOS window.

Note: With a Linux-PC as development system it is possible to develop programs in

all languages for the IGW/920. Linux is especially for programming in C/C++ as PC

operating system required because of the GNU cross tools. With a Windows-PC the

shell-script programming as well as the HTML- and Java-applet programming of the

webserver is possible.

Remote Access Gateway IGW/920 - First Steps

SSV

EMBEDDED

SYSTEMS

4 CONNECTIONS

For a quick and easy start with the Remote Access Gateway IGW/920 there are several con-

nections necessary. The following chapters describe, how these connections between the de-

velopment system (host PC) and the IGW/920 have to be made.

4.1 RS232 Serial Link

For a basic communication with the IGW/920 use the RS232 adapter cable and the null mo-

dem cable on port COM1 of the IGW/920. These cables come along with your IGW/920.

Please connect the IGW/920 with the COM port of your host PC by using these cables.

Figure 1: Serial link

Screw Terminal Signal

B2 TXD (send data, output)

B3 RXD (receive date, input)

C1 Signal GND

Table 2: RS232 connection

Remote Access Gateway IGW/920 - First Steps

SSV

EMBEDDED

SYSTEMS

4.2 Ethernet Link

The Ethernet link can be made on two ways. First with an Ethernet cross-over cable and sec-

ond with two standard Ethernet patch cables and a hub or switch. In both cases an Ethernet

LAN interface for your host PC is required. When using a hub or switch please connect it

between the host PC and the IGW/920 like shown fig. 3.

Figure 2: Ethernet link with cross-over cable

Figure 3: Ethernet link with hub or switch

Note: For the Ethernet connection in fig. 2 it is absolutely required to use a

cross-over cable. Do not use an ordinary patch cable. Ethernet patch and cross-over

cables are in most cases visual indistinguishable. But the internal wiring is fully dif-

ferent. Mixing up these types of cable leads to LAN errors. Hence pay attention to

the label of the cable or packing.

Remote Access Gateway IGW/920 - First Steps

SSV

EMBEDDED

SYSTEMS

4.3 Power Supply

To provide the IGW/920 with the necessary power you need a DIN-rail power supply with

an output voltage between 12 - 24 VDC.

Connect the plus-pole and the minus-pole of the power supply with the corresponding screw

terminals of the IGW/920. Please pay attention to the correct polarity!

Figure 4: Connecting a DIN-rail power supply

Screw Terminal Signal

A1 V+ IN (+12 to 24 VDC output voltage)

A2 GND IN (- / ground)

Table 3: Power supply

Note: Do not power up the IGW/920 before all cables are connected!

Remote Access Gateway IGW/920 - First Steps

SSV

EMBEDDED

SYSTEMS

5 OPERATION

5.1 Serial Connection

To make communication possible between the IGW/920 and the development system a ter-

minal program is needed.

Under Windows it is normally HyperTerminal, for Linux exists Minicom, an equivalent pro-

gram. In the following we use HyperTerminal, but all settings can be made similarly with

other terminal programs. If there is no terminal program installed on your development sys-

tem (this could be the case for a Linux-based PC), you have to install it manually from your

operating systems installation CD-ROM.

First open a new HyperTerminal session and enter a name for it (e.g. IGW/920). Choose now

under „File->Properties“ under „Connect via“ the entry „direct link cable connection via

COM1“ (or the COM-port you used). In the next step click on the button „configure“ to get

to the next dialog box.

Figure 5: Interface dialog box

Remote Access Gateway IGW/920 - First Steps

SSV

EMBEDDED

SYSTEMS

Now change the settings to the parameters shown in fig. 6 and close the dialog box with a

click on „OK“.

Figure 6: Communication parameter settings

These settings can also be made in other terminal programs. Important are the following pa-

rameters and values:

Parameter Wert

Connection speed 115.200 bps

Data bits 8

Parity None

Stop bits 1

Protocol No (Xon/Xoff, RTS/CTS or similar)

Table 4: Terminal program settings

Note: Do not forget to save the session settings with the connection parameters under

the name you have chosen (e.g. IGW/920). With this name you can start the terminal

program for future IGW/920-access.

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