Helmholz REX 300 User Manual

Quick Start Guide REX 300
www.helmholz.de
Version
1
en
from FW 3.7.0

Helmholz REX 300 Specifications

General

Manufacturer	Helmholz
Model	REX 300
Device Type	Industrial Router
Category	Network Router
Operating Temperature	-25°C to +60°C
Power Supply	24 V DC
Certifications	CE
Protocols	Firewall, NAT, VPN
Serial Interface	1 x RS232/RS485
USB Port	1 x USB 2.0

Summary

3. Registering and Logging into myREX24 Portal

4. Initial Router Configuration via myREX24 Portal

Creating New Projects and Devices

Process for creating a project and adding a new device within the myREX24 portal.

Configuring Connection Data

Setting up LAN, Internet (WAN), and Modem parameters for the REX 300.

5. Router Configuration Transfer Options

Transfer Configuration per USB Stick

Automatic Configuration via Portal

Configuration via Local LAN Connection

5.1 USB Configuration Transfer Details

5.2 Automatic Configuration via Portal

File REX 300 Configuration in Portal

Steps to prepare the REX 300 configuration in the portal for automatic synchronization.

5.2.2 First Start Assistant Configuration

Establish Internet Connection with WAN

Cloud Server Setup

5.2.3 Synchronization of Portal Configuration

5.3 Transfer Configuration via Local LAN

6. Establishing VPN Connection to REX 300

8. Remote Maintenance of S7-MPI/PROFIBUS PLCs

Install NETLink Driver

Steps to install the necessary NETLink-S7-NET driver on the maintenance computer.

Create PLC Station

Assign IP Address and Name

9. Remote Maintenance of Ethernet CPUs

Firewall Settings: SNAT Configuration

10. VCOM LAN for Serial Communications

12. Restoring Default Settings

13. Firmware Update via USB Flash Drive

14. Alternative Configuration without myREX24-V2 Portal