2 supplementary information foundation fieldbus – VEGA VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) Foundation Fieldbus User Manual
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11 Supplement
VEGAPULS 66 • Foundation Fieldbus
36522-EN-121011
Integrated clock
Date format
Day.Month.Year
Time format
12 h/24 h
Time zone Ex factory
CET
Measurement electronics temerature
Resolution
1 °C (1.8 °F)
Accuracy
±1 °C (1.8 °F)
Voltage supply
Operating voltage
Ʋ Non-Ex instrument
9 … 32 V DC
Ʋ Non-Ex instrument
9 … 32 V DC
Ʋ EEx-ia instrument - Power supply
FISCO model
9 … 17.5 V DC
Ʋ EEx-ia instrument - Power supply
ENTITY model
9 … 24 V DC
Ʋ EEx-d instrument
14 … 32 V DC
Power supply by/max. number of sensors
Ʋ H1 power supply
max. 32 (max. 10 with Ex)
Electrical protective measures
Protection, depending on housing version
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)
4)
Ʋ Aluminium and stainless housing, in-
vestment casting (optionally available)
IP 66/IP 68 (1 bar)
Overvoltage category
III
Protection class
III
Approvals
Instruments with approvals can have different technical data depending on the version.
For that reason the associated approval documents of these instruments must be carefully noted.
They are part of the delivery or can be downloaded under www.vega.com and "VEGA Tools" as
well as under "Downloads" and "Approvals".
11.2 Supplementary information Foundation Fieldbus
The following table gives you an overview of the instrument versions and the corresponding device
descriptions, the electrical characteristics of the bus system as well as the applied function blocks.
4)
The prerequisites for maintaining the protection rating are a suitable cable as well as correct mounting.