QuickStart Guide REX 200/250 | Version 5 | 26.05.2021 4
1 Safety instructions
Target audience
This description is only intended for trained personnel qualified in control and automation
engineering who are familiar with the applicable national standards. For installation, commis-
sioning, and operation of the components, compliance with the instructions and explanations
in this operating manual is essential. The specialist personnel is to ensure that the application
or the use of the products described fulfills all safety requirements, including all applicable laws, regula-
tions, provisions, and standards.
Intended use
The device has a protection rating of IP 20 (open type) and must be installed in an electrical
operating room or a control box/cabinet in order to protect it against environmental influ-
ences. To prevent unauthorized operation, the doors of control boxes/cabinets must be closed
and possibly locked during operation. The consequences of improper use may include per-
sonal injury to the user or third parties, as well as property damage to the control system, the product, or
the environment. Use the device only as intended!
Operation
Successful and safe operation of the device requires proper transport, storage, setup, assem-
bly, installation, commissioning, operation, and maintenance. Operate the device only in
flawless condition. The permissible operating conditions and performance limits (technical
data) must be adhered to. Retrofits, changes, or modifications to the device are strictly for-
bidden. The devices contain components that can be damaged or destroyed by electrostatic discharge.
When handling the devices, observe the necessary safety measures against electrostatic discharge (ESD) in
accordance with EN 61340-5-1 and EN 61340-5-2.
Security
The device is a network infrastructure component and therefore an important element in the
security consideration of a plant. When using the device, therefore, observe the relevant rec-
ommendations to prevent unauthorized access to installations and systems.
RF radiation
Device variants with an integrated modem should be installed and operated with a minimum
distance of 20 cm between the radiator / antenna and your body.
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.
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