2 dimensions – VEGA VEGAPULS 62 (≥ 2.0.0 - ≥ 4.0.0) standpipe ver. 4 … 20 mA_HART - two-wire User Manual
Page 53
53
11 Supplement
VEGAPULS 62 standpipe version • 4 … 20 mA/HART - two-wire
36507-EN-121011
1200
927
500
750
250
12
18
16
9,6
14
20
15,1
22
24
26
28
30
32
34
36
Ω
V
1
4
2
3
Fig. 29: Voltage diagram
1 HART load
2 Voltage limit Ex-ia instrument
3 Voltage limit non-Ex/Ex-d instrument
4 Operating voltage
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)
5)
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 Dimensions
The following dimensional drawings represent only an extract of the possible versions. Detailed
dimensional drawings can be downloaded at www.vega.com/downloads under "Drawings".
5)
The prerequisites for maintaining the protection rating are a suitable cable as well as correct mounting.