FMC Corporation - Talstar 80 Manuel D’Utilisation
Wiring
Proline Promass 80 PROFIBUS PA
34
4.5
Degree of protection
The devices fulfill all the requirements for IP 67.
Compliance with the following points is mandatory following installation in the field or servicing,
in order to ensure that IP 67 protection is maintained:
• The housing seals must be clean and undamaged when inserted into the sealing groove. The seals
in order to ensure that IP 67 protection is maintained:
• The housing seals must be clean and undamaged when inserted into the sealing groove. The seals
must be dried, cleaned or replaced if necessary.
• All the housing screws and screw covers must be firmly tightened.
• The cables used for connection must be of the specified outer diameter.
• The cables used for connection must be of the specified outer diameter.
• Firmly tighten the cable entry.
• The cable must loop down in front of the cable entry ("water trap"). This arrangement prevents
• The cable must loop down in front of the cable entry ("water trap"). This arrangement prevents
moisture penetrating the entry. Always install the measuring device in such a way that the cable
entries do not point upwards.
entries do not point upwards.
• Remove all unused cable entries and insert plugs instead.
• Do not remove the grommet from the cable entry.
• Do not remove the grommet from the cable entry.
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Fig. 24:
Installation instructions, cable entries
"
Caution!
Do not loosen the screws of the sensor housing, as otherwise the degree of protection guaranteed
by FMC Technologies no longer applies.
Do not loosen the screws of the sensor housing, as otherwise the degree of protection guaranteed
by FMC Technologies no longer applies.
a
b