Siemens SITRANS FUS060 Operating Instructions Manual page 14

Safety notes
2.3 Installation in hazardous area
Use with intrinsically safe circuits
With intrinsically safe circuits, use only certified sensors appropriate for the transmitter.
If a non-conforming supply unit is used, the "Intrinsic Safety" type of protection will no longer
be effective and the approval certification will be invalid.
Permissible medium temperature specifications for Ex use
Temperature class
T3
T4
T6
Hazardous area safety requirements
Special conditions for safe use
1. The sensor circuits of the transmitter, type SITRANS FUS060 are exclusively intended for
connection to the associated sensor units of types SITRANS FUS SONO 3100, SITRANS FUS
SONO 3000 and SITRANS FUS SONOKIT, which – for their part – are approved only for
connection to a transmitter of type series SITRANS FUS060.
2. The connecting cable of the transmitter, type SITRANS FUS060 shall be layed as fixed
installation and in such a way that it is sufficiently protected against damage.
3. The transmitter, type SITRANS FUS060 shall be included in the local equipotential bonding
system.
4. Non-used openings shall be sealed according to EN 60079-0.
Notes for manufacture and operation
For the assembly, mounting and installation only such components (e.g. terminal
compartments, cable glands, Ex cable entries, connection facilities) are approved which
technically comply with the status of the standards given on the cover sheet as a minimum and
for which a separate certificate is available. The operating conditions stated in the respective
certificates of these components shall be absolutely observed.
Connection requirements
It is required that:
• Electrical connections are in accordance with Elex V (VO in explosion hazardous areas) and
EN60079-14 (Installing Electrical Systems in Explosion Hazardous Areas).
• The protective cover over the power supply is properly installed. For intrinsically safe circuits
the connection area can be opened.
14
WARNING
Ambient temperature [°C]
-20 to +40
165
100
50
SITRANS FUS060 with PROFIBUS PA
Operating Instructions, 09/2021, A5E02225054-AD
-20 to +50
140
100
50