Endress+Hauser RN22, Руководство по эксплуатации, Страница: 6 / 40

Basic safety instructions RN22
6 Hauser
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Observe federal/national regulations pertaining to the repair of an electrical device.
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Use only original spare parts and accessories from the manufacturer.
Hazardous area
To eliminate danger to persons or the facility when the device is used in the hazardous
area (e.g. explosion protection):
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Check the nameplate to verify if the device ordered can be put to its intended use in the
hazardous area.
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Observe the specifications in the separate supplementary documentation that is an
integral part of these instructions.
2.5 Product safety
This device is designed in accordance with good engineering practice to meet state-of-the-
art safety requirements, has been tested, and left the factory in a condition in which it is
safe to operate.
2.6 Installation instructions
• The device's IP20 degree of protection is intended for a clean and dry environment.
• Do not expose the device to mechanical and/or thermal stress that exceeds the specified
limits.
• The device is intended for installation in a cabinet or similar housing. The device may
only be operated as an installed device.
• To protect against mechanical or electrical damage, the device must be installed in an
appropriate housing with a suitable degree of protection according to IEC/EN 60529.
• The device fulfills the EMC regulations for the industrial sector.
• NE 21: Electromagnetic compatibility (EMC) of industrial process and laboratory control
equipment is met under the following condition: power failures of up to 20 ms must be
bridged with a suitable power supply.
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CAUTION
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The device may only be powered by a power unit with an energy-limited circuit in
accordance with UL/EN/IEC 61010-1, Section 9.4 and the requirements of Table 18.