Helmholz REX 100 WiFi User manual
Quick Start Guide REX 100 WAN|WiFi
www.helmholz.de
Version
4en
as of FW 1.9.0
Quick Start Guide REX 100 WAN | WiFi
2
Content
1. Introduction 3
2. Preparing the REX 100 unit 3
3. Access to the myREX24-V2 portal 5
4. Initial REX conguration via the myREX24-V2 portal 8
5. Router conguration transfer options 11
6. Establishing a VPN connection to your REX 100 14
7. Tips and tricks 15
8. Remote maintenance of Ethernet CPUs 18
9. Description of LEDs and buttons 19
10. Restoring the REX 100 router to its default settings 21
11. Load conguration/rmware update from USB stick 21
12. Technical data 22
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2. Preparing the REX 100 unit
2.1 REX 100 WiFi
Connect a WiFi-compatible antenna (2.4 GHz) and ensure that a radio connection to
a WiFi network is possible. Antennas are available separately as accessories.
The LAN ports are also active when the REX 100 router has no connection with the
Internet.
2.2 REX 100 WAN
Connect the WAN interface of the REX 100 (P1 WAN) with a patch cable with the
higher level (company) network/router. The LAN ports P2 to P4 are available for
connection to the machinery network.
1. Introduction
The REX 100 is an industrial router suitable for worldwide remote access to IPv4-en-
abled devices (PLCs, HMIs, IP cameras, etc.) It is mounted on the DIN rail. This Quick
Start Guide explains the basic conguration of the REX 100 router. The conguration
is created in the myREX24 V2 portal and then transferred to the REX 100.
Important advance information: Please use the latest version of the dial-up software
“shDIALUP” (as of version v3.7 R1.0). You can acquire it as a download at www.helm-
holz.de. For successful connection with the myREX24 V2 portal, REX 100 routers require
at least the rmware status V1.5.0 or newer.
P4 LANP1 WAN P2 LAN P3 LAN
Ext.V DC
18... 30 V
+ FE IN1IN2–
FCN
RST
PWR
RDY
CON
USR
SN:
R00012345
USB
P4 LANP1 LAN P2 LAN P3 LAN
Ext.V DC
18... 30 V
+FE IN1IN2–
FCN
RST
PWR
RDY
CON
USR
SN:
R00012345
ANT
USB
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
WLAN Accesspoint
Ethernet
Ethernet
Ethernet
Quick Start Guide REX 100 WAN | WiFi4
2.3 Power supply
The REX 100 must be supplied with 24 V DC at the wide range input 18 ... 30 V DC
via the provided connector.
Note: The housing of the REX100 is not grounded. Please correctly connect the functional
grounding connection (FG) of the REX 100 WAN (700-875-WAN01) and REX 100 WiFi
(700-875-WIF01) with the reference portal.
2.4 Digital inputs IN1 and IN2
The alarm inputs can be activated with potential-free switches, buttons or relay
contacts.
IN1 can, for example, be used for the VPN establishing of connection with the my-
REX24 portal. An alarm can be triggered with the IN2.
The use of both inputs for the alarm is also possible. The con guration of the alarms
takes place via alarm management in the myREX24 V2 portal.
2.5 Boot procedure
The green PWR LED lights up when the supply voltage is switched on.
The boot process 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 100 is ready for operation as soon as the RDY LED lights solid.
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3. Access to the myREX24-V2 portal
The REX 100 can be fully congured using the myREX24 V2 portal.
A secure connection with the portal is required to this purpose:
-The remote client software shDIALUP allows you to undertake administration in the
myREX24 V2 portal and the VPN establishing of a connection with an REX router.
You can nd the software
(shDIALUP) in the download area under www.helmholz.de. There you can also
download further documents with additional example applications at any time.
-Alternatively, you can also create the conguration with an HTTPS-secured direct
call-up from your browser. The call-up is realized with the following URL: https://
v2.myREX24.net. However, remote maintenance via VPN tunnel cannot be set up
via the browser.
Always use your myREX24-V2 portal access data to log in.
3.1. Registration
If you don’t yet have a myREX24-V2 portal account, you can register under http://
www.myREX24.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.
The rst e-mail contains the user name, the second the password.
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3.2 Logging in to the myREX24 V2 portal
Once you install and start the shDIALUP software, you can use your login data to log
in to the myREX24 V2 portal.
Select “V2.myREX24.net” in the server list.
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 are recommended.
-Your login name is composed of a user name preceding the @ character and the name
of your company. Example: User@Account
-Please change your password after logging in for the rst time.
-If necessary, you can also create and administer additional users after logging into the
myREX24-V2 portal.
3.3 Navigation in the portal
Once a user has logged in for the rst time, he or she is guided through a tutorial.
The navigation, basic settings, and the change from the Simplied to the Extended
view is shown.
3.4 Simplied and extended view
The conguration of the devices can be carried out in the myREX24 V2 portal in two
views: simplied and extended.
Standard is the simplied view, but one can switch between the views at any time.
The simplied view is used for the most part in the subsequent course of the Quick
Start Guide. The extended view is also presented in some places for purposes of
illustration.
Quick Start Guide REX 100 WAN | WiFi
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Simple view
Extended view
Quick Start Guide REX 100 WAN | WiFi
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?
4. Initial REX conguration via the myREX24-V2 portal
The following information describes the basic conguration steps required in order
to be able to set up a REX router for a VPN connection.
A description of the extended functions can be found with the online help or in the
manuals/white papers. You can go to the online help
in the myREX24 V2 portal via the question mark symbol in the lower left area of the
screen .
When you have logged in for the rst time, the myREX24 portal guides you through
a brief tutorial.
Please change the password for your myREX24 account following the tutorial.
4.1 Create new project
A project is the highest level for carrying out the following tasks:
-Device administration
-Remote maintenance
-Monitoring and alarms
-Data protocoling
-Visualizations
Each router is assigned to a project. In order to create a new project,
please click on Administration.
The tutorial also leads to this point .
The project is now assigned a name.
Quick Start Guide REX 100 WAN | WiFi
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4.2 Create new device
A router can be added in the tree structure using the plus symbol or with a right-
click of the mouse. If a project does not yet have a router, the same function is made
available in the main view by way of the green button “Create new device”.
Clicking on the respective button starts the conguration assistant, which guides the
user through the settings.
4.3 Congure REX 100 (connection data)
Three simple steps are adequate for the minimal conguration of the router:
-Selection of the device type
-Network settings
-Transfer of the conguration to the REX router
4.3.1 Step 1 “Device” – Selection of the type and name
In the rst step, only the selection of the router type and the assignment of a clear
name is necessary.
The name can be selected freely, but only numbers and letters are allowed
(0 to 9, A to Z, a to z, no spaces).
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4.3.2 Step 2 “Internet” – Network settings
In step 2, the network conguration for the LAN and mobile WAN side of the device
is dened.
-LAN All REX 100 routers come with the IP address 192.168.0.100/24 as a
default. Modify the IP address and the subnet mask in keeping with the
machinery network.
-WAN Here the data are entered for the WAN connection (company network
for the machine) – DHCP or static IP address.
The corresponding data provides you with the responsible network
administrator.
-WiFi Enter the WiFi-specic access data (only 700-875-WIF01).
The corresponding data provides you with the responsible network
administrator.
4.3.3 Step 3 “Conguration” – Transfer of the conguration
The minimal conguration is now complete and must be transferred to the REX 100.
The conguration is downloaded with a click on the download button and can be
transferred with a FAT-formated USB stick to the REX router. This step is described in
chapter 5.1 (page 12).
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