Atex And Iec Ex - WAGO 750-370 Manual

252 • Use in Hazardous Environments
Installation Regulations

6.2.3 ATEX and IEC Ex

GROUP I, CATEGORY M2 only with a suitable enclosure according to
IEC 60079-0 and IEC 60079-1 required by end-user. When used in Category
M2 locations, the modules have to be installed in suitable ATEX Category M2
certified enclosures according to EN 60079-0: 2006 and EN 60079-1: 2007.
The Fieldbus Independent Modules of the WAGO-I/O-System 750-.../....-
.... have to be installed in a Pollution Degree 2 environment or better in the
end use application for use with an IP54 minimum enclosure. Except
otherwise specified below. Otherwise the modules have to be installed in an
IP64 minimum enclosure.
Modules 750-609 and 750-611 have to be installed in an IP 64 minimum
enclosure.
When used in the presence of combustible dust the enclosure shall comply
with the relevant requirements of IEC 61241-0:2004 and IEC 61241-1:2004.
Installation, addition, removal or replacement of modules, fieldbus connectors
or fuses may only take place when the system supply and the field supply are
switched off, or when the area is known to be non-hazardous.
DIP-switches, binary-switches and potentiometers attached to the modules
may only be adjusted when the area is known to be non-hazardous.
Module 750-642 has to be used only with antenna module 758-910 with a
max. cable length of 2.5 m.
Provide the transient protection device not exceeding 40 % of the rated
voltage at the power supply terminal of the apparatus.
Ambient temperature range: -20 °C to +55 °C
Additional Information
Proof of certification is available on request.
Also take note of the information given on the module technical information
sheet.
The Instruction Manual, containing these special conditions for safe use,
must be readily available to the user.
WAGO-I/O-SYSTEM 750
PROFINET IO