General requirements
8 General requirements
8.1 Introduction
The following describes the typical environmental requirements and characteristics for several B&R products. All
specifications listed in this document are standard values; for possible deviations, see the respective technical
data, data sheet or product-specific user's manual (see www.br-automation.com).
8.2 CE (EU)
All products have been designed as industrial devices for zone B per product standard EN 61131-2. If the
devices are used in an environment other than that described in this standard or in the respective user's manual,
the operating behavior may be impaired or the devices even irreparably damaged. The products correspond to CE
(EU) requirements of the European Community for open devices in accordance with the definition provided in the
relevant EN 61131-2 product standard.
8.2.1 Housing requirements
All products must be installed in a housing designed with the specific ambient conditions of the site in mind. In order
to provide improved immunity to electromagnetic disturbances, installation in a metal housing (control cabinet) is
recommended.
8.2.2 Environmental characteristics
The table below contains general environmental characteristics.
The product-specific data sheets contain more detailed information about any reduced ambient conditions
(derating). These are available under the model number of the respective product on the B&R website
(www.br-automation.com) and can be downloaded from there.
The specifications must be checked and taken into account.
Installation / EMC guide 1.36 (April 2021) 39
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