VEGA VEGAPULS 62 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - two-wire, approval according to LPR radio standard User Manual

Page 75

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background image

Permissible residual ripple - Non-Ex, Ex-ia instrument

-

for 9.6 V

<

U

N

<

14 V

0.7 V

eff

(16 … 400 Hz)

-

for 18 V

<

U

N

<

36 V

1.0 V

eff

(16 … 400 Hz)

Permissible residual ripple - Ex-d-ia instrument

-

for 18 V

<

U

N

<

36 V

1 V

eff

(16 … 400 Hz)

Load

see diagram

1200

927

500

750

250

12

18

16

9,6

14

20

15,1

22

24

26

28

30

32

34

36

V

1

4

2

3

Fig. 49: 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

-

Plastic housing

IP

66/IP 67

-

Aluminium housing, stainless steel
housing - investment casting, stainless
steel housing - electro-polished

IP

66/IP 68 (0.2 bar)

11)

-

Aluminium and stainless housing, in-
vestment casting (optionally available)

IP

66/IP 68 (1 bar)

Overvoltage category

III

Protection class

II

Approvals

Instruments with approvals can have different technical data depending on the version.

That's why the associated approval documents have to be noted with these instruments. They are
part of the delivery or can be downloaded under www.vega.com via "VEGA T

ools" and "serial

number search" as well as via "Downloads" and "Approvals".

11)

The prerequisites for maintaining the protection rating are a suitable cable
as well as correct mounting.

VEGAPULS

62 • 4 … 20 mA/HART - two-wire, approval according to LPR radio standard

75

11 Supplement

41718

-EN

-120301

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