30
WIKA operating instructions models DIH50, DIH52
EN
14008548.05 12/2016 EN/DE
Appendix 3: ATEX/IECEx installation drawing
Installation dr
awing field indicators:
DIH50-I, DIH52-I with built in
WIKA digital indicator module DIH50-B
Haz
ar
dous ar
ea
Non-haz
ar
dous ar
ea
Models DIH50-I, DIH52-I
Tr
ansmitter
DIH5x-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, DIH52-I (with po
wer
supply and r
eduction):
U
i
= DC 30
V
≥
U
0
=
DC
26.2
V
I
i
= 130 mA
≥
I
0
=
96 mA
P
i
= 800 mW
≥
P
0
=
551 mW
C
i
= 7.8 nF + C
iC
able
≤
C
0
=
93 nF - 13.2 nF = 79.8 nF
L
i
= 100 µH + L
iC
able
≤
L
0
=
4,600 µH - 1.2 µH
=
4,598.8 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, DIH52-I:
KFD2-S
TC4 Ex1:
U
i
= DC 29
V
≥
U
0
=
DC
25.4
V
I
i
= 100 mA
≥
I
0
=
86.8 mA
P
i
= 680 mW
≥
P
0
=
551 mW
C
i
= 13.2 nF
1)
≤
C
0
=
93 nF
L
i
= 1.2 µH
2)
≤
L
0
=
4,600 µH
U
0
= DC 29.8
V
l
0
= 109.2 mA
Ex
ample:
P
ow
er
s
upply
(e
.g.
P
&F KFD2-S
TC4 Ex1)
U
0
= DC 25.4
V
I
0
= 86.8 mA
P
0
= 551 mW
C
0
= 93 nF
L
0
= 4,600 µH
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, DIH52-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, DIH52-I
Ambient temper
atur
e
range
IIC
(-50)
1)
-40 °C ≤
T
a
≤ +85 °C (T4)
(-50)
1)
-40 °C ≤
T
a
≤ +70 °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 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
= 13.2 nF + C
i
-v
alue of the connected and cer
tified
trans C
iC
able
2) L
i
= 1.2 µH + L
i
-v
alue of the connected and cer
tified
trans L
iC
able
14041464.02