Special Conditions For Safe Use (Atex Certificate Tüv 07 Atex 554086 X); Special Conditions For Safe Use (Iec-Ex Certificate Tun 09.0001 - WAGO I/OSYSTEM 750 Series Manual
Fieldbus independent i/o modules, incremental encoder interfaces
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2.3.2 Special conditions for safe use (ATEX Certificate TÜV 07 ATEX
554086 X)
1.
For use as Gc- or Dc-apparatus (in zone 2 or 22) the fieldbus independent
I/O modules WAGO-I/O-SYSTEM 750-*** shall be erected in an enclosure
that fulfils the requirements of the applicable standards (see the marking) EN
60079-0, EN 60079-11, EN 60079-15, EN 61241-0 and EN 61241-1.
For use as group I, electrical apparatus M2, the apparatus shall be erected in an
enclosure that ensures a sufficient protection according to EN 60079-0 and EN
60079-1 and the degree of protection IP64. The compliance of these
requirements and the correct installation into an enclosure or a control cabinet
of the devices shall be certified by an ExNB.
2.
If the interface circuits are operated without the fieldbus coupler station type
750-3../...-... (DEMKO 08 ATEX 142851 X) measures must be taken outside
of the device so that the rating voltage is not being exceeded of more than 40%
because of transient disturbances.
3.
DIP-switches, binary-switches and potentiometers, connected to the module
may only be actuated when explosive atmosphere can be excluded.
4.
The connecting and disconnecting of the non-intrinsically safe circuits is only
permitted during installation, for maintenance or for repair purposes.
The temporal coincidence of explosion hazardous atmosphere and installation,
maintenance resp. repair purposes shall be excluded.
5.
For types 750-606, 750-625/000-001, 750-487/003-000, 750-484, the following
must be taken into account: The interface circuits must be limited to
overvoltage category I/II/III (electrical circuits without power supply/electrical
circuits with power supply) as defined in EN 60664-1.
6.
For the type 750-601 the following shall be considered: Do not remove or
replace the fuse when the apparatus is energized.
7.
The ambient temperature range is: 0°C ≤ Ta ≤ +55°C (for extended details
please note certificate).
WAGO-I/O-SYSTEM 750
I/O Modules
Use in Hazardous Environments
Installation Regulations
• 61
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