Helmholz REX 100 3G User manual
Quick Start Guide REX 100 3G | LTE
Version
2en
as of FW 1.5.0
www.helmholz.com
Quick Start Guide REX 100 3G | LTE
2
Content
1. Introduction 3
2. Preparing the REX 100 unit 3
2.1 Connection 3
2.2 Optional wiring of IN1 and IN2 3
2.3 Antenna connections 4
3. Creating a REX 100 conguration in the myREX24 portal 5
3.1 Registration 5
3.2 Log in to the myREX24 portal 5
3.3 Creating a router conguration 6
4. Router conguration transfer options 8
4.1 Transferring the conguration using a USB ash drive 9
4.2 Conguration Transfer Manager (CTM) 10
4.3 Transferring the conguration using a local LAN connection 14
5. Establishing a VPN connection to your REX 100 15
5.1 Establishing a VPN connection and transferring IP packages 15
5.2 Tips and tricks 15
6. Remotely servicing an Ethernet PLC 16
7. Description of LEDs and buttons 18
7.1 LED description 18
7.2 Button description 18
8. Restoring the REX 100 router to its default settings 18
9. Load conguration/rmware update from USB stick 18
10. Technical data 19
10.1 UL 20
Quick Start Guide REX 100 3G | LTE
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2. Preparing the REX 100 unit
Access to a GSM network requires a Standard SIM card of a provider: This is required
for purposes of identication for the network operator. The insert is found on the
housing side. The insert is unlocked by pressing the recessed yellow button next to
the card reader and can be removed.
2.1 Connection
Now connect a supply voltage of 10–30 V DC to the provided connector for all
device variants.
There is also a connection for the functional ground (FG). The connection of a func-
tional ground is recommended.
1. Introduction
Before getting started:
Please use the most current version (as of v3) of the dual-up software "shDIALUP" for
the commissioning.
Write down the serial number for your REX 100 router before installing the router in your
system. You will need the serial number in order to congure the device!
The REX 100 is an industrial router designed to be installed on DIN rails and is suit-
able for worldwide remote access to IP-enabled devices (PLCs, HMIs, IP cameras, etc.)
This Quick Start Guide goes over the basic settings in the myREX24 portal and shows
how to use the portal to create a conguration and transfer it to your REX 100 unit.
2.2 Optional wiring of IN1 and IN2
IN1: The establishing of the connection to the myREX24 server can, for example, be
activated by an externally installed switch.
IN2: When the alarm management in the device has been activated and congured,
e-mails, for example, can be sent through an externally installed button or relay
contact.
SIM card reader
Standard SIM card
Release button
Quick Start Guide REX 100 3G | LTE
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2.3 Antenna connections
Please note prior to installation that the antenna(s) must be positioned within the
reception range of an adequate GSM signal. These may not be installed, for example,
in metal housings. Please also observe the technical data sheets or instructions of the
antenna manufacturer.
2.3.1 REX 100 3G (UMTS)
The antenna required for radio reception is screwed onto the SMA socket "ANT".
2.3.2 REX 100 LTE (4G)
For general radio reception, at least one antenna must be screwed onto the SMA
socket "MAIN" (ANT 2).
An optional connection for a second reception antenna is available on the LTE router
at the SMA socket "Rx" (ANT1) for improving the data throughput. This functionality
is called antenna diversity in the "WCDMA mode" and Downlink-MIMO in the "LTE
mode".
The second receiver antenna should not be located in the immediate vicinity of the
main antenna. In order to improve the diversity gain and reduce other reciprocal
interactions (interference effects), the two antennas should be (taking the space
available for usage into account) installed with the greatest possible distance be-
tween them.
For the same reason, the second antenna should be mounted cross-polarized (with
reference to the main antenna, 90° to one another).
Quick Start Guide REX 100 3G | LTE
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3. Creating a REX 100 conguration in the myREX24
portal
REX 100 routers are fully congured using the myREX24 portal. A completed con-
guration le can be transferred to the actual REX 100 unit in a variety of ways.
3.2 Log in to the myREX24 portal
Once you install and open the shDIALUP program, you can use your login data to
log in to the myREX24 portal.
Note: Your login name is composed of a user name preceding the @ character and the
name of your company.
Example: admin@helmholz
Other users can be created and administered after you log onto the myREX24 portal.
3.1 Registration
If you do not yet have a myREX24 account, you will rst have to visit www.myREX24.
net and register under “Request access”. Make sure to ll out all mandatory elds.
Once you submit the form, you will receive an e-mail containing your login data.
You can download the software necessary for establishing a connection with
myREX24-Portal (shDIALUP and shCHECK), as well as other documents with supple-
mentary example applications anytime from the download area under
www.myREX24.net and www.helmholz.com.
Quick Start Guide REX 100 3G |LTE6
3.3 Creating a router con guration
The following information describes the con guration points required to establish
a VPN portal connection. For a more detailed description of the advanced functions
and con guration options available, please use the portal’s online help.
Note: You should always individualize your login information (user names/passwords).
You can nd all relevant explanations in the online help.
Once a connection to the myREX24 portal is successfully established, a new browser
window with your myREX24.net online account will open. Create a new device in
the “Machines” menu.
Click the icon to get to the next submenu.
Note: The device name must start with a letter. Umlauts, special characters and spaces
are generally not permitted. In addition, every device name must be unique.
The description page for the device you just created will appear now. The entry of
location and contact information data is optional.
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 100 with SMS
messages.
The “Change VPN Password” eld requires no entry. The password is generated
automatically.
To make sure that the con guration is sent to the right device, you will need to enter
the REX 100 router's serial number. The purpose of the additional description eld is
to make it possible to distinguish between several remote servicing units internally.
Open the “Network” tab without clicking "Save".
Quick Start Guide REX 100 3G | LTE
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All REX 100 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 specications
from the machinery network.
If you want to connect additional TCP/IP components to the REX 100 LAN interface
for remote servicing purposes, this IP address will also be the default gateway for the
connected devices (see page 16).
Open the “Internet” tab without clicking "Save".
Under "Connect to the server", select the actions with which this device should con-
nect to your myREX24 account.
In the case of "Modem settings", all information concerning the access point (Access
Point Name) of the card provider must be provided and the SIM PIN entered.
You have now congured the basic settings and can click on "Save" to proceed to
transfer the conguration to the REX 100 unit using one of the options available in
the menu (see chapter 4, page 8).
In the event that the dialog for "Submit to Device" appears automatically, you can
cancel this dialog and call it up later when needed.
Note: The myREX24 portal’s online help provides information on the function of the
advanced settings.
Quick Start Guide REX 100 3G | LTE
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1*
2*
3*
4. Router conguration transfer options
Once you have created a conguration, you can click the oppy disk icon in order to
select one of three transfer methods.
1* Download conguration to PC
Save the conguration le and then use a USB stick to transfer it to the REX 100 unit
(see chapter 4, page 9).
Choose this option if the REX 100 router cannot be reached through the local net-
work (LAN) or through the Internet when it is rst being set up.
2* Transfer conguration to CTM
The conguration is downloaded from the myREX24 portal using the REX 100
router's Internet connection (CTM = Conguration Transfer Manager; see chapter
4.2, page 10).
This Internet transfer method will become the default conguration option as soon
as the REX 100 router has established a connection to the myREX24 portal. When the
REX 100 has a connection to the myREX24 portal, the CTM is automatically used for
all subsequent conguration changes.
3* Transfer conguration to device
The conguration is transferred via a local LAN connection of the computer on which
shDIALUP is running (see chapter 4.3, page 14).
You can use this option if the REX 100 router can be reached directly through the
local network (LAN).
Quick Start Guide REX 100 3G | LTE
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3. Store the configuration file
1. Login via shDIALUP
2. Create/edit and download
the REX 100 configuration
4. Transfer the configuration
4.1 Transferring the conguration using a USB ash drive
Use the USB-based conguration method if the REX 100 router can be reached nei-
ther through the local network (LAN) nor through the Internet.
In the myREX24 portal, go to the "Device Administration" page and select the
"Download to PC" option.
Once the le has been stored on the local computer, carry out the steps as described
in chapter 9 "Load conguration/rmware update from USB stick" on page 18.
Quick Start Guide REX 100 3G | LTE
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Cyclic check whenever
there is an Internet
connection
1. Login via shDIALUP
2. Create/edit the REX 100
configuration and deposit
it in the CTM
3. The configuration is
downloaded and activated
4.2 Conguration Transfer Manager (CTM)
The Conguration Transfer Manager makes it possible to transfer a conguration
to a REX 100 router once the router has established an Internet connection to the
myREX24 portal.
If the REX 100 unit has a connection to the myREX24 portal, it will check whether
there is a new conguration available for its serial number. If there is one, it will load
it automatically. This method is ideal for retroactive changes to the conguration.
Note:
-The CTM function is only supported as of version 3 of the dial-up software
"shDIALUP".
- In order to be able to transfer the conguration, the Conguration Transfer Manager
needs an Internet connection established using a SIM card. If you are commissioning
your REX 100 unit for the rst time, this can be commissioned directly on the REX 100
router through the "First Start" webpage.
4.2.1 Establishing an Internet connection through the "First Start" website
If you have not yet congured your REX 100 router using one of the other congura-
tion methods (directly on the computer or using a USB ash drive), you can also
establish an Internet connection for the commissioning directly with the REX 100
router's web interface at the "First Start" website.
If the REX 100 can already set up an Internet connection, please continue to chapter
4.2.4 "Automatic download of the conguration" on page 12.
Commissioning via the "First Start" website presumes that the REX 100 can be ad-
dressed in the local network under its default IP address. REX 100 routers come with
a default IP address of 192.168.0.100 (subnet mask: 255.255.255.0).
In order to be able to reach the REX 100 router, the PC network adapter must also be
set to the IP address space and subnet of the router.
The device with serial number must be created in the myREX24 portal for successful
commissioning.
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