Annexe 3 : schéma d'installation atex/iecex – WIKA DIH62 Manual del usuario

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34

WIKA mode d'emploi types DIH50, DIH52, DIH62

F

14016061.03 05/2013 F/E

Annexe 3 : Schéma d'installation ATEX/IECEx

Installation dr

awing DIH52-I with built in

WIKA digital indicator DIH52-B

Haz

ar

dous ar

ea

Non-haz

ar

dous ar

ea

Model DIH52-I

Tr

ansmitter

DIH52-B

*The internal wiring is negligible (≤ 3 m)

Ex

ample f

or inf

ormation only!

Pr

ovided b

y end-user in the

end use application!

Ex

ample f

or inf

ormation only!

Pr

ovided b

y end-user in the end

use application!

Cable

Cable

Sensor

Po

wer supply

Ex

ample:

Entity par

ameters comparison

T32.1S

.0IS:

DIH52-I (with po

wer supply

and r

eduction):

U

i

= DC 30

V

U

0

=

DC 25.4

V

I

i

= 130 mA

I

0

=

88.2 mA

P

i

= 800 mW

P

0

=

500 mW

C

i

= 7.8 nF + C

icable

C

0

=

93 nF - 12 nF = 81 nF

L

i

= 100 µH + L

icable

L

0

=

2,700 µH - 2.2 µH

=

2,697.8 µH

Ex

ample:

Exter

nal tr

ansmitter

(e

.g.

T32.1S

.0IS)

U

i

= DC 30

V

I

i

= 130 mA

P

i

= 800

W

C

i

= 7.8 nF + C

icable

L

i

= 100 µH + L

icable

Entity

par

ameter

s

DIH

52-I

U

0

= DC 29 ...

26

V

I

0

= 100 ...

131 mA

P

0

= 680 mW (650 mW)

C

0

= v

alue accor

ding to the

cer

tified IS po

wer supply

reduced b

y 12 nF

L

0

= v

alue accor

ding to the

cer

tified IS po

wer supply

reduced b

y 2.2 µF

Entity par

ameters

DIH52-I U

i

= DC 29

V

I

i

= 100 mA

P

i

=

680

mW

(650

mW)

C

i

= 12 nF *

L

i

= 2.2 µH *

Ex

ample:

Entity par

ameters comparison

DIH52-I:

KFD2-S

TC4 Ex1:

U

i

= DC 29 ...

26

V

U

0

=

DC 25.4

V

I

i

= 100 ...

131 mA

I

0

=

88.2 mA

P

i

= 680 mW (650 mW)

P

0

=

500 mW

C

i

= 12 nF

1)

C

0

=

93 nF

L

i

= 2.2 µH

2)

L

0

=

2,700 µH

Ex

ample:

P

ow

er

supply

(e

.g.

P

&F KFD2-S

TC4 Ex1)

U

0

= DC 25.4

V

I

0

= 88.2 mA

P

0

= 500 mW

C

0

= 93 nF

Remark:

Due to the segr

egation r

equir

ements

of the applied standar

ds

, IS-supply-

and signal-cir

cuit and the IS sensor

cir

cuit shall be consider

ed as being

galv

anically connected to each other

;

functional separ

ation pr

ovided.

Summarised r

equir

ements f

or field indicator

WIKA DIH52-I:

Special conditions f

or a saf

e use:

None

Ambient temper

atur

e r

ange and temper

atur

e classification

field indicator DIH52-I Ambient temper

atur

e

range

IIC

(-50)

1)

-40 °C ≤

T

a

≤ +85 °C (T4)

(-50)

1)

-40 °C ≤

T

a

≤ +75 °C (T5)

(-50)

1)

-40 °C ≤

T

a

≤ +55 °C (T6)

IIIC

(-50)

1)

-40 °C ≤

T

a

≤ +40 °C (P

i

= 680 mW)

(-50)

1)

-40 °C ≤

T

a

≤ +70 °C (P

i

= 650 mW)

1)

The v

alues in br

ack

ets ar

e v

alid f

or special lo

w temper

atur

e v

ersions

(only

limited tr

ansmitter combination f

or series DIHxx-I possible).

Marking field indicator DIH52-I

ATEX IE

CEx

II (1) 2G

Ex ia [ia Ga] IIC

T4/T5/T6 Gb

II (1) 2D Ex ia [ia Da] IIIC

T120 °C Db

1) C

i

= 12 nF + C

i

-v

alue of the connected and cer

tified

transmitter + C

i

cable

2) L

i

= 2.2 µH + L

i

-v

alue of the connected and cer

tified

transmitter + L

i

cable

14041465.01

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