Baumer HOG 22 Installations- und Betriebsanleitung - Seite 7

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Operation in potentially explosive environments
The incremental encoder HOG 22 (HOG 22 M) meets the design requirements of equipment
category 3 G, Equipment Group II (explosive gas atmosphere) and of equipment category 3
D, Equipment Group III (explosive dust atmosphere). Conformity to standards in accordance with
the 2014/34/EU.
CE labeling:
Category 3 G:
Category 3 D:
The operation in other explosive atmospheres is not permissible.
Danger of personal injuries and damage due to inappropriate installation and operating.
Contravention invalidates the EX approval.
An UL listing that may be stated elsewhere is not valid for use in explosive environments.
It is not permissible to make any alteration to equipment that is used in potentially explosive
environments.
Repairs may only be carried out by authorized authorities provided by the manufacturer.
• Ensure that there is no explosive atmosphere, oils, acids, gases, vapors, radiation etc.
present during installation.
• Installation and operating in accordance with the stipulations of the installation and opera-
ting instructions.
• The relevant laws, regulations and standards for the planned application must be observed.
The norm EN 60079-14 must be observed during installation and operation.
• Check that the details on the type label of the encoder match the on-site conditions for
the permissible Ex area in use (equipment group, equipment category, zone, temperature
class, maximum surface temperature).
• Check that the details on the type label of the encoder match the electrical supply network.
• Check that the encoder is undamaged. Ensure the IP protection.
• Check the dust deposit. Any possible dust deposit does not exceed a thickness of 5 mm.
• Do not exceed or underrun the ambient temperature range from -20 °C to +40 °C.
MB049 - 11114026
Baumer_HOG22_II_DE-EN (17A1)
- Ex labeling:
- Conforms to standard:
- Type of protection:
- Temperature class:
- Ex labeling:
- Conforms to standard:
- Protective principle:
- Surface temperature:
Operation in potentially explosive environments
II 3 G Ex nA IIC T4 Gc
EN 60079-0:2012 + A11:2013
EN 60079-15:2010
nA
T4
II 3 D Ex tc IIIB T135°C Dc
EN 60079-31:2014
Protection by enclosure
max. +135 °C
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