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Load in conjunction with vegadis 12 see diagram – VEGA VEGABAR 75 4 … 20 mA_HART User Manual

Page 33

background image

1000

710

500

250

12

18

16

14

20

22

24

26

28

29

30

32

34

36

Ω

V

1

4

2

3

Fig. 11: Voltage diagram VEGABAR 75
1

HART load

2

Voltage limit Ex instrument

3

Voltage limit non-Ex instrument

4

Voltage supply

L

oad in conjunction with VEGADIS 12

see diagram

Ω

450

712,5

250

18

24

29

36

33

3

4

2

1

V

Fig. 12: Voltage diagram VEGABAR 75 with VEGADIS 12
1

HART load

2

Voltage limit Ex instrument

3

Voltage limit non-Ex instrument

4

Voltage supply

Integrated overvoltage protection

N

ominal leakage current (8/20 µs)

10

kA

S

upplement

VEGABAR

75 - 4 … 20

mA/HART

33

28433

-

EN

-070718

See also other documents in the category VEGA Equipment: