WAGO 750 Series Manual page 41

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2.3.3 Special conditions for safe use (IEC-Ex Certificate TUN 09.0001

For use as Dc- or Gc-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) IEC

60079-0, IEC 60079-11, IEC 60079-15, IEC 61241-0 and IEC 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 IEC 60079-0 and

IEC 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 ExCB.

Measures have to be taken outside of the device that the rating voltage is not

being exceeded of more than 40% because of transient disturbances.

DIP-switches, binary-switches and potentiometers, connected to the

modulemay only be actuated when explosive atmosphere can be excluded

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.

For the types 750-606, 750-625/000-001, 750-487/003-000, 750-484 the

following shall be considered: The interface circuits shall be limited to

overvoltage category I/II/III (non mains/mains circuits) as defined in IEC

60664-1.

For the type 750-601 the following shall be considered: Do not remove or

replace the fuse when the apparatus is energized.

The ambient temperature range is: 0°C ≤ Ta ≤ +55°C (for extended details

please note certificate).

WAGO-I/O-SYSTEM 750

I/O Modules

Special conditions for safe use (IEC-Ex Certificate TUN 09.0001 X)

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750-461