Vega VEGAPULS 62 Operating Instructions Manual page 70

Supplement
Ω
1000
750
500
250
15 16 18
Fig. 46: Voltage supply for version with increased sensitivity
1
HART load
2
Voltage limit EEx-ia instrument
3
Voltage limit non-Ex/Exd instrument
4
Supply voltage
Electrical protective measures
Protection
- Plastic housing
- Aluminium and stainless steel
standard
- Aluminium and stainless hous-
ing (optionally available)
Overvoltage category
Protection class
Functional safety (SIL)
Functional safety according to IEC 61508/IEC 61511
- Single channel architecture
(1oo1D)
- double channel diversitary re-
dundant architecture (1oo2D)
Approvals 10)
ATEX ia
70
1
20 22 24
A suitable cable is the prerequisite for maintaining the protection class.
9)
Available or applied for, depending on the order specification. Deviating
10)
data with Ex applications: see separate safety instructions.
2
26 28 30
IP 66/IP 67
IP 66/IP 68 (0.2 bar)
IP 66/IP 68 (1 bar)
III
II
up to SIL2
up to SIL3
ATEX II 1G, 1/2G, 2G EEx ia IIC T6; ATEX II
1G, 1/2G, 2G EEx ia IIC T5+ATEX II 1/2D
IP6X T6
VEGAPULS 62 • 4 ... 20 mA/HART
3
4
32 34 36
9)
V