Table of Contents
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Quick Start Guide
REX 200/250 Router
Order numbers:
700-877-WAN01 | 700-878-WAN01
700-877-LTE01 | 700-878-LTE01
700-877-WIF01 | 700-878-WIF01
from firmware V 7.0.0
Helmholz GmbH & Co. KG | Hannberger Weg 2 | 91091 Großenseebach | Germany
Phone +49 9135 7380-0 | Fax +49 9135 7380-110 | info@helmholz.de | www.helmholz.de
Version
5
en
26.05.2021
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Summary of Contents for Helmholz REX 200
- Page 1 700-877-WAN01 | 700-878-WAN01 700-877-LTE01 | 700-878-LTE01 700-877-WIF01 | 700-878-WIF01 from firmware V 7.0.0 Helmholz GmbH & Co. KG | Hannberger Weg 2 | 91091 Großenseebach | Germany 26.05.2021 Phone +49 9135 7380-0 | Fax +49 9135 7380-110 | info@helmholz.de | www.helmholz.de...
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Page 2: Table Of Contents
3.7.1 REX 200/250 WiFi ........................7 3.7.2 REX 200/250 LTE (4G)....................... 8 REX 200/250 LTE + REX 200/250 Wi-Fi with failover ..............8 Boot process ..........................8 Access to the myREX24 V2 portal ................. 9 Registration ..........................9 Login to the myREX24 V2 portal server ..................10 Navigation in the portal ...................... - Page 3 Load firmware file from the USB stick .............. 29 Technical data ....................30 17.1 REX 200/250 WAN ........................30 17.2 Additional interfaces REX 250 ..................... 31 17.3 REX 200/250 LTE ........................31 17.4 REX 200/250 WiFi ........................32 QuickStart Guide REX 200/250 | Version 5 | 26.05.2021...
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Page 4: Safety Instructions
Information This document explains the initial commissioning of the REX 200/250 Router. The latest version of the document and a detailed manual can be found at www.helmholz.de or scan the QR code directly. QuickStart Guide REX 200/250 | Version 5 | 26.05.2021... -
Page 5: Introduction To The Function Of The Rex 200/250
Depending on the REX variant, the LAN ports P1 to P4 or P2 to P4 are available for connection to the ma- chine network. Internal switch functions are active even if the REX 200/250 router is not connected to the Internet. -
Page 6: Power Source Requirement
99) different email/text message recipients can be alerted with individual message texts. One input each can also be configured for establishing the connection to the myREX24 V2 portal or for a REX system restart. QuickStart Guide REX 200/250 | Version 5 | 26.05.2021... -
Page 7: Rex 200/250 Wan
3.6 REX 200/250 WAN Connect the WAN interface of the REX 200/250 (P1 WAN) with a patch cable with the higher level (company) network/router. All device variants have 4 additional LAN ports for connection to the ma- chine network and for commissioning via PC. -
Page 8: Rex 200/250 Lte (4G)
Only with this device variant, a failover can be parameterized in the configuration if required (see chap- ter 5.5). For this application, connect the WAN interface (P1 WAN) of the REX 200/250 with a patch ca- ble to the higher-level (company) network/router. -
Page 9: Access To The Myrex24 V2 Portal
If you have any further questions on this issue, our technical sales team will be happy to help you. 4 Access to the myREX24 V2 portal The complete configuration of the REX 200/250 can be done via the myREX24 V2 portal. The shDIALUP remote client software enables you to administrate the myREX24 V2 portal and realize a VPN tunnel to a REX router. -
Page 10: Login To The Myrex24 V2 Portal Server
“extended view” at any time without changes being lost or losing their validity. The simple view is mainly used throughout the rest of this Quick Start Guide. The extended view is also presented in some places for purposes of illustration. QuickStart Guide REX 200/250 | Version 5 | 26.05.2021... -
Page 11: Initial Router-Configuration Via The Myrex24 V2 Portal
Initially, at least one new project must be created in which a router is assigned. Navigate to the Admin- istration section by using the marked symbol (the tutorial also brings you to this point). QuickStart Guide REX 200/250 | Version 5 | 26.05.2021... -
Page 12: Creating A New Device
5.3 Configure REX 200/250 (connection data) Three simple steps are enough for minimal configuration of the router. Selection of the device type Network settings Transfer of the configuration to the REX router QuickStart Guide REX 200/250 | Version 5 | 26.05.2021... -
Page 13: Step 1 „Device "- Selection Of The Type And Name
In Step 2, the network configuration for the LAN, WAN and, depending on the version, the LTE cellular or the Wi-Fi settings must be defined. All REX 200/250 routers come with the IP address 192.168.0.100/24 as a default. If necessary, modify the IP address and subnet mask according to the specifications from the machine net- work to be maintained remotely. -
Page 14: Step 3 „Configuration "- Download File To Pc
We recommend the “Download configuration to PC” variant for the initial configuration. 6 Router-configuration transfer options Newly created or subsequently modified device configurations can be transferred to the REX 200/250 in a variety of ways. QuickStart Guide REX 200/250 | Version 5 | 26.05.2021... -
Page 15: Transferring The Configuration Using A Usb Flash Drive
Transfer configuration to the device (with LAN connection, only possible via shDIALUP). For this configuration option, the REX 200/250 must be accessible directly in the LAN from the PC. The PC must also be logged in on the Internet via the shDIALUP dial-up client using your myREX24 ac- count at the same time. -
Page 16: Synchronization
6.2 Synchronization As soon as the REX 200/250 has logged into your account in the portal, you can transfer subsequent changes at any time with “Synchronize”. Where there is an existing myREX24-V2 portal connection, the REX 200/250 checks cyclically whether there is a new configuration available for its serial number and then loads it automatically. -
Page 17: Connection To The Machine Network
(https://v2.myREX24.net). Logged-in REX 200/250 routers are identified with a green circle in the dashboard. The secure VPN con- nection between the PC and REX router is not established until the connection button is clicked. -
Page 18: Tips Und Tricks
The device status website of the REX 200/250 shows the connection status and the active configuration data of the router. To this purpose, the REX 200/250 must be accessible in the LAN, meaning that the TCP/IP address of a PC must be in the same IP subnet. To this purpose, enter the LAN IP address of the REX 100 into the address bar of a browser. - Page 19 (do not assign the same IP address more than once) on your PC so that you can communicate properly with the REX 200/250. QuickStart Guide REX 200/250 | Version 5 | 26.05.2021...
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Page 20: Vpn Port And China Gateway
8.2 VPN port and China Gateway The REX 200/ 250 establishes an outgoing VPN connection via port 1194 (TCP) to the address vpn- v2.myrex24.net (5.39.123.21) by default. As an alternative you can also configure port 80 or 443 (device configuration menu “Services” -> “VPN” - >... -
Page 21: Diagnostic Page
8.4 Is a MAC address filter activated in the firewall? (relevant for internet access via P1 WAN interface) It may be necessary to approve the MAC address of the REX 200/250 in the higher-level DSL modem or firewall. Should it not be possible to establish a connection, please ask the respective network administra- tor whether such a MAC address filter has been activated. -
Page 22: Device Configuration: Services - Ntp-Server
8.6 Device configuration: Services – NTP-Server For the internal system time of the REX 200/250, this carries out a comparison using a time server on the Internet at regular intervals. Where necessary, you can individually set the preset NTP server entry and the interval. -
Page 23: Remote Maintenance Of Ethernet Cpus
9.1 Device settings: Services – Firewall – SNAT With a REX 200/250, the SNAT function is activated by default. With this setting, participants for which no gateway*/router has been entered are accessed via the VPN tunnel. For the CPUs and panels of some manufacturers, it can be the case that you need to explicitly enter the gateway* and deactivate the SNAT function in order that a remote connection with the end device is possible. -
Page 24: Setting Up The Mpi/Profibus Interface (Rex 250 Only)
The following steps are necessary to maintain an S7 MPI/PROFIBUS PLC remotely with the REX 250: 10.1 Installing driver The current version can be downloaded at any time free of charge from www.helmholz.de. Install the NETLink®-S7-NET driver on the remote maintenance PC where the engineering tool is already installed. -
Page 25: Setting Up The Vcom Lan For Serial Communication (Rex 250 Only)
In this example, the COM4 connection is now also available in the system in addition to the standard remote maintenance connection. The possibility for serial communication is still indicated in the task bar by a green symbol (an active connection with a yellow symbol). QuickStart Guide REX 200/250 | Version 5 | 26.05.2021... -
Page 26: Description Of Leds And Buttons
Con LED begins flashing). Other functions are described in chapters 13 and Reset button for restarting the router Use the provided tool to activate the buttons (SIM card ejector). QuickStart Guide REX 200/250 | Version 5 | 26.05.2021... -
Page 27: Myrex24 V2 Portal Leds
• FC3 LED flashes orange -> factory settings are being loaded When the PWR and RDY LEDs turn green again (after about 70 seconds), the REX 200/250 is ready for use again and can be configured. Already changed login and IP address data of the LAN interface are reset (default: 192.168.0.100/24). -
Page 28: Alternative Configuration Without Myrex24 V2 Portal
14 Alternative configuration without myREX24 V2 portal If you want to use the REX 200/250 without our mediation server “myREX24 V2”, you can also use another OpenVPN software or e.g., set up the IPsec encryption embedded in your hardware. If you have selected the selection for the classic router in the “First Start”... -
Page 29: Load Firmware File From The Usb Stick
If both the firmware and a myREX24 portal configuration are found on the USB stick, the firmware is always first recognized by the REX 200/250 (Fc1 + Fc3 flashes). If you do not press the FCN but- ton within 10 seconds, the REX 200/250 changes to the configuration file (Fc1 + Fc2 flash). If you here too do not react within 10 seconds, the router once again reverts to the normal mode. -
Page 30: Technical Data
Pre-Shared-Key, X.509 Network/Security Firewall 1:1 NAT, IP-filter, port-forwarding, stateful inspection IP-router NAT-IP, TCP/IP routing, IP forwarding Services DHCP server, DHCP client, DNS server, NTP client, PPP server, DynDNS Time comparison NTP server QuickStart Guide REX 200/250 | Version 5 | 26.05.2021... -
Page 31: Additional Interfaces Rex 250
Class 3 (0,25W, 23dBm) 3G, Class 3 (0,2W, 23 dBm) LTE HSxPA+ (Uplink max. 5,76 Mbit/s | Downlink max 42,0 Mbit/s) Data transmission rate LTE (Uplink max. 50 Mbit/s | Downlink max. 150 Mbit/s) QuickStart Guide REX 200/250 | Version 5 | 26.05.2021... -
Page 32: Rex 200/250 Wifi
We can send you the corresponding license conditions, including a copy of the complete license text together with the product. They are also provided in our download area of the respective products under www.helmholz.de. We also offer to send you or any third party the complete corresponding source text of the respective open-source software for an at-cost fee of 10.00...
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