Inhaltsverzeichnis
Werbung
Verfügbare Sprachen
Verfügbare Sprachen
PROline Prosonic Flow 93 PROFIBUS-DP/-PA
#
Endress+Hauser
Special conditions
1. Do not open the transmitter housing in the presence of explosive atmospheres,
because this would invalidate the EEx nR protection rating.
2. All national regulations governing installation and operation regulations are to be
observed when mounting this electrical device in an explosion hazardous area
(Cat. 3G).
3. Before switching on the device, ensure that the local power supply complies with the
range stated on the nameplate.
4. Work on the instrument (e.g. changing the electronics module or retrofitting with a
fieldbus connector) may only be carried out when circuits are not alive. Use only
spare parts supplied by E+H. Ensure that after the work, the Ingress Protection is
retained.
5. All technical data issued by the manufacturer are to be observed.
6. Use of the devices is restricted to mediums against which the process-wetted mate-
rials are adequately resistant.
7. Do not plug in the service connector in the presence of explosive atmospheres.
8. Only cable entries are to be used which comply with Category 3G standards.
9. At suitable, regular intervals, check all seals of the transmitter housing for leaks, and
replace unsatisfactory seals as necessary. Use only seals supplied by E+H.
10.Fieldbus connector:
The connection and disconnection of a possibly present fieldbus connector is not
considered "normal operation". During this procedure, ensure no explosive
atmosphere is present.
General warnings
• Installation, connection to the electricity supply, commissioning and maintenance of
the devices must be carried out by qualified specialists trained to work on Ex-rated
devices.
• Compliance with national regulations relating to the installation of devices in poten-
tially explosive atmospheres is mandatory, if such regulations exist.
<
5
Werbung
Inhaltsverzeichnis
