VEGA VEGABAR 81 Profibus PA - Operating Instructions - Manual (Page 66)

66
11 Supplement
VEGABAR 81 • Profibus PA
45020-EN-131107
Measurement electronics temerature
Resolution
1 °C (1.8 °F)
Accuracy ±1 °C (1.8 °F)
Voltage supply
Operating voltage
Ʋ Non-Ex, Ex-d 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
Number of sensors per DP/PA segment coupler, max.
Ʋ Non-Ex 32
Ʋ Ex 10
Potential connections in the instrument
Electronics
Not non-floating
Ground terminal Galvanically connected with the process fitting
Electrical protective measures
Housing material Version IP-protection class NEMA protection
Plastic Single chamber IP 66/IP 67 NEMA 4X/6P
Double chamber IP 66/IP 67 NEMA 4X
Aluminium Single chamber IP 66/IP 68 (0.2 bar)
IP 68 (1 bar) NEMA 4X/6P
-
Double chamber IP 66/IP 67
IP 66/IP 68 (0.2 bar) NEMA 4X
NEMA 4X
Stainless steel, electro-
polished
Single chamber
Single chamber IP 69K
IP 66/IP 68 (0.2 bar) -
NEMA 4X/6P
Stainless steel, investment
casting
Single chamber IP 66/IP 68 (0.2 bar)
IP 68 (1 bar) NEMA 4X/6P
NEMA 4X
Double chamber IP 66/IP 67
IP 66/IP 68 (0.2 bar) NEMA 4X
NEMA 4X
Stainless steel Transmitter for external
housing
IP 68 (25 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 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".