Helmholz REX 300 Bedienungsanleitung

Quick Start Guide REX 300

www.helmholz.de

Version

1en

from FW 3.7.0

Quick Start Guide REX 300

Contents

1. Introduction 3

2. Preparing the REX 300 unit 3

3. Access to the portal 4

4. Initialroutercongurationviatheportal 6

5. Routercongurationtransferoptions 8

6. Establishing a VPN connection to your REX 300 20

7. Tips and tricks 21

8. Remote maintenance of S7-MPI/PROFIBUS PLCs 23

9. Remote maintenance of Ethernet CPUs 24

10. Setting up VCOM LAN for serial communications 25

11. LED displays 26

12. Restoring the REX 300 router to its default settings 26

13.FirmwareupdateusingaUSBashdrive 26

14.AlternativecongurationwithoutmyREX24-V2portal 26

15. Technical data 27

Quick Start Guide REX 300

1. Introduction

REX 300 is an industrial router for global remote access to PLC, HMI, IP cameras, etc.

It is directly mounted on the mounting rail. This Quick Start Guide explains the basic

settingsinthemyREX24portalandshowshowtotransferthecongurationmade

there to the REX 300 unit.

Youwillndmoreinformationonpage26inchapter14"Alternativeconguration

withoutmyREX24portal"shouldyouwishtooperateyourrouterwithoutourVPN

portal.

Before getting started: Please use the most current version (as of v3.7.0) of the dial-up

software "shDIALUP" for commissioning. You can acquire it as a download at www.

helmholz.de.

The current rmware must be installed on all REX routers for successful connection with

the myREX24 V2 portal. Write down the serial number and MAC address of your REX

300 router before installing the router in your system. You will need the serial number in

order to congure the REX 300!

2. Preparing the REX 300 unit

2.1 REX 300 with modem

AstandardSIMcardofaproviderisnecessaryfortheGSMvariants.Thisservesthe

purposeofidenticationforthenetworkoperator.TheSIMcardmustbeinsertedin

accordance with the graph and click in.

Withthetetheredmodemvariant,thecorrespondingtelephonecableisconnected

to the TAE socket.

2.2 Antenna connection

Antennaswiththecorrespondingthreadedconnectionareavailableseparatelyas

accessories. Please ensure prior to installation that the antenna is positioned in such

awaythatitreceivesanadequateGSMsignal.Alsobesuretofollowtheinstructions

from the technical data sheets of the antenna manufacturer and do not install these

(due to the shielding effect) into metal housings (e.g. control cabinet).

2.3 REX 300 WAN

Connect the REX 300 router's WAN port to the network/router or DSL modem being

used to establish the Internet connection. To this purpose use a standard CAT-5

patch cable.

Quick Start Guide REX 300

2.4 Power supply and ports

The REX 300 must be supplied with 24 V DC at the wide range input 10 – 30 V

DC. Rigid copper wires with a max. diameter of 1.5 mm² can be clamped onto the

providedconnectorplug.

TheconnectiontothemachinerynetworktakesplaceviatheLANport.Commission-

ingwithaPCalsotakesplaceviatheLANport.A9-pinMPI/PROFIBUSconnectionis

availableforstandardPROFIBUSplugs(notforECOdevices).

The green ON LED lights up when the power supply is switched on. The boot pro-

cess starts following the internal system check (duration of approx. 25 sec.), which

is indicated by the blinking Rdy LED (for approx. 90 sec.). The REX 300 is then ready

for operation.

3. Access to the portal

REX300routerscanbefullyconguredusingthemyREX24portal.Asecureconnec-

tionwiththeportalisrequiredtothispurpose:

-For complete hardware project planning of a REX 300 router, the remote client

software shDIALUP must be used in order to establish a VPN connection.

-Alternatively,youcouldalsocreatethecongurationwithanHTTPS-secureddirect

callupfromyourbrowser.ThecallupisrealizedwiththefollowingURL:https://

v2.myREX24.net.

PleasealwaysuseyourmyREX24-V2portalaccessdatatologin.Youcanndfurther

information in the manual for the myREX24-V2 portal.

ThevariouswaystotransferthecongurationyouhavecreatedtotheREX300are

described in this Quick Start Guide.

Quick Start Guide REX 300 5

3.1 Registering

Ifyoudon'tyethaveamyREX24-V2portalaccount,youcanregisterunderwww.my-

REX24.net.Fillouttherequiredeldsthere.Afteryourdataischeckedbyourservice

team(Mon.-Fri.8a.m.to5p.m.CET),youwillreceivetwoseparatee-mailswiththe

access data. One e-mail contains the user name, the second the password.

ThesoftwarerequiredforestablishingtheconnectionwiththemyREX24-V2portal

(shDIALUP and shCHECK) can be found in the download area under www.helmholz.

de. There you can also download further documents with additional example appli-

cations at any time.

3.2 Log in to the myREX24 portal

Once you install and start the shDIALUP software, you can use your login data to log

intothemyREX24portal.Select"V2.myrex24.net"intheserverselectioneld.

Notes:

-Alternatively, the login page can also be reached under: https://v2.myrex24.net.

Any up-to-date browser can be used for this purpose. Chrome and Firefox have been

successfully tested.

-Your login name is composed of a user name preceding the @ character and the name

of your company. Example: admin@helmholz

-Following the initial login, you will be prompted to register a new, individual password

for your account.

-If necessary, you can also create and administer additional users after logging into the

myREX24-V2 portal.

Quick Start Guide REX 3006

4. Initialroutercongurationviatheportal

Thefundamentalcongurationpointsaredescribedinthefollowing.Theyare

necessary to realize a VPN connection with the myREX24 portal. A description of

the expanded functions can be found with the online help or in the manuals/white

papers.

Assoonasyouhavesuccessfullyloggedintotheportalforthersttime,youwill

bepromptedtoindividualizeyouraccessdataonce(usernames/passwords).Only

subsequenttothiscananewprojectbecreated.

4.1 Create new project

Navigation: Administration > Project

Click on the plus intheprojectoverviewandassignaprojectnameinthesubse-

quentwindow(allotherentries/informationcanbeprovidedlater).

4.2 Creatinganewdevice

Navigation: Administration > Project > Project (created project)

Click on the plus intheselectedprojectandthenon"Createnewdevice".

Only the selection of the type, the assignment of a name and the entry of the serial

numbersarenecessaryfortheinitial/minimalcongurationinthemenu"Device"

underthetab"Device".Thenamecanbefreelyselected,butonlythefollowing

numbersandletterswithoutspacesareallowed:0to9,AtoZ,atoz.

Notes:

-The name must start with a letter. Umlauts, special characters and spaces are general-

ly not permitted. Double designations are also not possible in the "Name"  eld.

-The serial number always starts with the letter "R", followed by eight numbers (0-9).

Aftersavingyourinformation,youwillbeautomaticallyforwardedtothedevice

settings.

Quick Start Guide REX 300 7

4.3 CongureREX300(connectiondata)

Onlythe"Interfaces"menuisrelevantfortheinitialconguration.

Navigation: Administration > Project > Project (selected project) > New Device (selected

device).

Click on the editing symbol inordertoprocessthesettingsoftherelevantsub-

menu.

Thefollowingmenusaresignicantfortheinitialconguration:

-LAN All REX 300 routers come with a LAN-side IP address of

192.168.0.100/24 as a default. Modify the IP address and the subnet

maskinkeepingwiththespecicationsfromthemachinerynetwork.

Note: It can happen that this IP address must be used as a standard gateway for addi-

tional TCP/IP components that are connected to the REX 300 for remote maintenance

purposes (see chapter 9 on page 24).

-Internet Fortheinitialcongurationitisadvisabletochoosetheaction"Always"

fortheselectioneld"Connecttotheserver".Onlywiththissetting

does the REX 300 automatically attempt to establish a connection with

the portal as soon as it is supplied with power.

-WAN EnterthedatafortheWANconnectionhere:DHCPorstaticIP.The

correspondingdataprovidesyouwiththeresponsiblenetworkadmin-

istrator.

-Modem IfyouhavethetelephonenumberoftheSIMcardavailable,youcan

enterthisintheappropriateeldsothatthemyREX24portalcan

control the REX 300 with SMS messages. The parameters for the APN

(AccessPointName)ofthecardproviderandthecorrectSIMPINentry

mustbeavailabletoyouandbestoredhere.

Note: If you enable DHCP, make sure that the DHCP server does not assign the WAN port

to an IP address that is already in use on the LAN side. IP addresses from two different

subnets must be assigned to every router's LAN and WAN ports.

Savethesettings.Theinitialcongurationisherewithcomplete.

Quick Start Guide REX 300

5. Routercongurationtransferoptions

ThecreateddevicecongurationcanbetransferredtotheactualREX300unitina

varietyofways.

1.TransfercongurationperUSBstick

YousavethecongurationlelocallyonyourPCandsubsequentlytransferitwitha

USB stick to the REX 300 (see page 9, chapter 5.1).

You can choose this procedure when the REX 300 router cannot be reached either

through the local network (LAN) or through the Internet during commissioning.

Prerequisite:thecongurationPChasaconnectionwiththeportal.

2.Automaticcongurationviaportal(FirstsetupintheREX300required)

Tothispurposeyouprovidethecongurationdatafordownloadingintheportal.

ThecongurationisautomaticallytransferredtotheREX300assoonastheREX300

connects with the portal (page 11, chapter 5.2)

Prerequisite/conditions:

-theREX300cancreateaconnectionwiththeportalviatheInternet

-YouhavepreconguredtheconnectiondataviathewebinterfaceoftheREX300

(First Setup Assistant).

-TheREX300canbeauthenticatedattheportalonthebasisofitsuniqueserial

number.

3.CongurationviaLAN

ThecongurationistransferredviaalocalLANconnectionofthecomputeronwhich

shDIALUP is running (see page 18, chapter 5.3).

You can select this procedure if the REX 300 router can be reached directly through

LAN.TheIPaddresssettingsofthenetworkadapterarenotrelevant.

Note: We recommend the "Conguration per LAN" variant for the initial conguration.

Quick Start Guide REX 300

5.1 TransfercongurationperUSBstick

UsetheUSB-basedcongurationmethodiftheREX300routercannotbereached

either through the local network (LAN) or through the Internet. You can utilize this

methodwithanyup-to-datebrowser.TheprerequisitesareanInternetconnection

with the portal and an FAT-formated USB stick.

Note: The conguration le must be stored in the root directory of your USB stick. In

addition, no valid rmware les may be found in the root directory when carrying out

this action. A disruption of the supply voltage during the transfer from the USB stick can

switch the router to an undened status.

3. Save the conﬁguration ﬁle

1. Log in at myREX24 V2

2. Create/edit and download the

REX 300 conﬁguration

4. Transfer the conﬁguration

Quick Start Guide REX 30010

InthemyREX24portal,selectthe"DownloadtoPC"optioninthedevicesettings.

-DownloadthecongurationleprovidedbythemyREX24portaltoyourPCand

saveitonaFAT-formatedUSBstick.Theleisnamedmyrex24.mbnfortheinitial

commissioningoftheREX300.Allsubsequentcongurationlesgeneratedfor

theseroutersareautomaticallygeneratedasmyrex24.mbnx.Neverrenamethisle.

-Switch the REX 300 on and wait until the boot process is completed (Rdy & ON

LEDs are lit green continuously).

-Plug the USB stick into the appropriate USB terminal on the REX 300.

-Afterapprox.5seconds,theTxDandRxDLEDswillashred.TheREX300has

recognizedthecongurationle.

-PresstheDialOutbuttonforapprox.1seconduntiltheRxDLEDashesgreen.The

RxDLEDwillashgreenwhilethecongurationleisbeingtransferred(approx.

20 seconds).

-After an additional 10 seconds, the REX 300 will restart automatically and log in at

theportalwiththejustloadedconguration.TheUSBstickcannowbewith-

drawn.

Note: Once the con guration  le has been successfully transferred, the  le on the USB

stick will be renamed "XmyREX24.mbn(x)" by the REX 300, making it impossible to reuse

it a second time accidentally.

Youwillndtheprocedureforthermwareupdateinchapter13onpage26.

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