WIKA DIH62 - Manual (Página 33)

WIKA mode d'emploi types DIH50, DIH52, DIH62 33
F
14016061.03 05/2013 F/E
Annexe 3 : Schéma d'installation ATEX/IECEx
Installation dr
awing DIH50-I with built in
WIKA digital indicator DIH50-B
Haz
ar
dous ar
ea
Non-haz
ar
dous ar
ea
Model DIH50-I
Tr
ansmitter
DIH50-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:
DIH50-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
50-I
U
0
= DC 29
V
I 0
= 100 mA
P
0
= 660 mW (630 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 µH
Entity par
ameters
DIH50-I U
i
= DC 29
V
I i
= 100 mA
P
i
=
660
mW
(630
mW)
C
i
= 12 nF *
L
i
= 2.2 µH *
Ex
ample:
Entity par
ameters comparison
DIH50-I:
KFD2-S
TC4 Ex1:
U
i
= DC 29
V
≥
U
0
=
DC 25.4
V
I i
= 100 mA
≥
I 0
=
88.2 mA
P
i
= 660 mW (630 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 DIH50-I:
Special conditions f
or a saf
e use:
None
Ambient temper
atur
e r
ange and temper
atur
e classification
field indicator DIH50-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
= 660 mW)
(-50)
1)
-40 °C ≤
T
a
≤ +70 °C (P
i
= 630 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 DIH50-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
14041464.01