2 foundation fieldbus – VEGA VEGACAL 65 Foundation Fieldbus User Manual
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10 Supplement
VEGACAL 65 • Foundation Fieldbus
30035-EN-130917
Ʋ Plastic housing
IP 66/IP 67
Ʋ Aluminium housing, stainless steel
housing - investment casting, stain-
less steel housing - electro-polished
IP 66/IP 68 (0.2 bar)
3)
Ʋ Aluminium and stainless housing, in-
vestment casting (optionally available)
IP 66/IP 68 (1 bar)
Overvoltage category
III
Protection class
II
Approvals
Instruments with approvals can have different technical data depending on the version.
For that reason the associated approval documents of these instruments have to be carefully
noted. They are part of the delivery or can be do via "VEGA Tools"
and "serial number search" as well as via "Downloads" and "Approvals".
10.2 Foundation Fieldbus
Block diagram, measured value processing
The following illustration shows the Transducer Block (TB) and Function block (FB) in simplified
form.
3)
A suitable cable is the prerequisite for maintaining the protection rating.