2 communication profibus pa – VEGA VEGAPULS 68 (≥ 2.0.0 - ≥ 4.0.0) Profibus PA User Manual
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11 Supplement
VEGAPULS 68 • Profibus PA
36537-EN-130205
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 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
Number of sensors per DP/PA segment coupler max.
Ʋ Non-Ex
32
Ʋ Ex
10
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)
6)
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 Communication Profibus PA
Instrument master file
The instrument master file (GSD) contains the characteristic data of the Profibus PA instrument.
These data are, e.g. the permissible transmission rates as well as information on diagnostics values
and the format of the measured value outputted by the PA instrument.
A bitmap file is also provided for the Profibus network planning tool. This file is installed automa-
6)
The prerequisites for maintaining the protection rating are a suitable cable as well as correct mounting.