Siemens 6DR5 Serie Mode D'emploi page 39

3-/4-wire connection (terminals 2/4 and 6/8)
6DR52.. With HART, explosion-protected
6DR53.. Without HART, not explosion-protected
Load voltage at 20 mA
Auxiliary power supply U
● Current consumption I
For connecting to circuits with
the following peak values
Effective inner capacitance C
Effective inner inductance L
Galvanic isolation
7.3.2 Design
Connections, electrical
● Screw terminals
● Cable gland
Connections, pneumatic
SIPART PS2 (6DR5...)
A5E03436620-04, 02/2014
Basic device without
explosion protection
≤ 0.2 V (= 10 Ω)
DC 18 ... 35 V
H
H
-
-
i
-
i
Between U and I
H
Basic device without
explosion protection
M20x1.5 or
½-14 NPT
Basic device with
explosion protection
Ex d
≤ 0.2 V (= 10 Ω)
DC 18 ... 35 V
(V - 7.5 V)/2.4 kΩ [mA]
H
-
-
-
Between U and I
W H W
Basic device with
explosion protection
Ex d
2.5 AWG28-12
Ex d certified
M20x1.5;
½-14 NPT or
M25x1.5
Female thread G¼ or ¼-18 NPT
Basic device with Basic device with
explosion protection explosion protection
Ex "ia" Ex "ic", "nA", "t"
≤ 1 V (= 50 Ω) ≤ 1 V (= 50 Ω)
DC 18 ... 30 V DC 18 ... 30 V
U = 30 V "ic":
n
I = 100 mA U
i
P = 1 W I
i i
"nA"/"t":
U
I
n
22 nF 22 nF
0.12 mH 0.12 mH
Between U and I Between U
H W
(2 intrinsically safe
circuits)
Basic device with Basic device with
explosion protection explosion protection
Ex "ia" Ex "ic", "nA", "t"
M20x1.5 or M20x1.5 or
½-14 NPT ½-14 NPT
= 30 V
i
= 100 mA
≤ 30 V
n
≤ 100 mA
and I
H W
37