81
12 Supplement
VEGADIF 85 • Profibus PA
53569-EN-230814
Voltage supply
Operating voltage U
B
9 … 32 V DC
Operating voltage U
B
with lighting
switched on
13.5 … 32 V DC
Number of sensors per DP/PA segment
coupler, max.
32
Potential connections and electrical separating measures in the instrument
Electronics
Non-floating
Galvanic separation
Ʋ between electronics and metallic parts
of the device
Reference voltage 500 V AC
Conductive connection
Between ground terminal and metallic process fitting
Electrical protective measures
Housing material
Version
Protection acc. to
IEC 60529
Protection acc. to
NEMA
Plastic
Single chamber
IP66/IP67
Type 4X
Double chamber
Aluminium
Single chamber
IP66/IP67
IP66/IP68 (0.2 bar)
IP66/IP68 (1 bar)
Type 4X
Type 6P
Type 6P
Double chamber
IP66/IP67
IP66/IP68 (1 bar)
Type 4X
Type 6P
Stainless steel (electro-polished) Single chamber
IP66/IP67
IP69K
Type 4X
Stainless steel (precision cast
-
ing)
Single chamber
IP66/IP67
IP66/IP68 (0.2 bar)
IP66/IP68 (1 bar)
Type 4X
Type 6P
Type 6P
Double chamber
IP66/IP67
IP66/IP68 (1 bar)
Type 4X
Type 6P
Stainless steel
Transmitter, version with exter
-
nal housing
IP68 (25 bar)
-
Connection of the feeding power supply
unit
Networks of overvoltage category III
Altitude above sea level
Ʋ by default
up to 2000 m (6562 ft)
Ʋ with connected overvoltage protection up to 5000 m (16404 ft)
Pollution degree
20)
4
Protection rating (IEC 61010-1)
II
20)
When used with fulfilled housing protection.