IM 12J05C01-01E
2-7 General Specifications
2-5. Control Drawing of DO202S mA HART® Specification (ATEX)
・
Electrical data of the DO202S.
- Supply and output circuit (ter and -):
Maximum input voltage U
i
= 31.5 V. Maximum input current I
i
= 100 mA.
Maximum input power P
i
= 1.2 W.
Effective internal capacitance
C
i
= 22 nF.
Effective internal inductance
L
i
= 35
P
H.
- Sensor input circuit (terminals 11 through 18):
Maximum output voltage U
o
= 14.4 V. Maximum output current I
o
= 22 mA.
Maximum allowed external capacitance C
o
= 643 nF.(for DO202S-A)
C
o
= 3.5
μ
F
(for DO202S-N)
Maximum allowed external inductance L
o
= 70 mH. (for DO202S-A)
L
o
= 160 mH. (for DO202S-N)
・
Barriers and power supply specification must not exceed the maximum values
as shown in the diagram above. These safety descriptions cover most of the
commonly used industry standard barriers, isolators and power supplies.
・
The Hand Held Communicator must be of an ATEX certified intrinsically safe type
in case it is used on the intrinsically safe circuit in the hazardous area or of an
ATEX certified non-incendive type in case it is used in the non-incendive circuit in
the hazardous area.
Sensor
terminals 11-18
M ax. cablelength: 60 mtr.
C able dia. : 3… 12 mm.
Sensor
terminals 11-18
M ax. cablelength: 60 mtr.
C able dia.: 3… 12 mm.
Ù nclassified Location
A T EX A pproved
Pow er Supply
(H A R T compatible)
O utput
Supply
+
_
G
C lassified Location
U nclassified Location
+
_
G
Functional
earth
Functional
earth
Intrinsically safe design
A TE X C lass I, D iv.1, G roup A B C D , T4 for ambient temp. < 55°C
T6 for ambient temp. < 40°C
C ertificate nr. K EM A 06A TE X 0224 X
D O 202S transmitter
+
-
Load
R esistance
C lassified Location
Functional
earth
+
_
24 volts D C N ominal
Supply V oltage.
A TE X A pproved safety barrier
or pow er supply
w ith R int = 300
:
(H A R T compatible)
Fo r electrical data:
see text belo w .
Fo r electrical data:
see text belo w .
Intrinsically safe design
A T EX C lass I, D iv.1, G roup A B C D , T4 for ambient temp. < 55°C
T6 for ambient temp. < 40°C
C ertificate nr. K EM A 06A TE X 0224 X
D O 202S transmitter
Figure 1
Figure 2
Summary of Contents for DO202G
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