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Operating Instuctions
3
Function
The resistance isolators are used for intrinsically safe operation of Pt 100 or Pt 1000
resistance thermometer or other resistance sensors. The measured value is transferred to
the output.
4
Marking and technical data
Manufacturer
Type designation
CE marking
Ex-marking
Explosion protection marking
and
Testing authority and certificate number
Ambient temperature range
Safety data
Max. voltage U
o
Max. current I
o
Max. power P
o
Internal capacitance, C
/ inductance, L
i
Max. connectable capacitance, C
Max. connectable inductance, L
Insulation voltage U
m
See EC-type examination certificate for further information and value combinations
Technical data (excerpted from the data sheet)
Power supply
Nominal voltage U
N
Nominal current (at U
N
Power consumption (when voltage = U
I.S. input
Resistance thermometers as per IEC 60751
Resistance range
Output (see "operation and operational states")
Ambient conditions
Operating temperature
Storage temperature
Relative humidity (no condensation)
Additional technical data can be found in the current data sheet.
Please consult with the manufacturer before operating under conditions which
deviate from the standard operating conditions.
*) Depends on the selected version of 9180.
14
Resistance Isolator Type 9180
i
IIC / IIB
o
IIC / IIB
o
and I
)
Amax
)
N
R. STAHL
9180/**-77-11
c
0102
e
II (1) GD [EEx ia] IIC/IIB
II 3 G EEx nAC II T4
BVS ATEX E 176 X
-20 °C ... +60 (+70) °C
6,5 V
16,5 mA
27 mW
negligible / negligible
25 µF / 570 µF
120 mH / 450mH
253 V
24 V DC
27 mA / 37 mA
650 mW / 890 mW
Pt 100 / Pt 1000 *)
18...391 Ω / 180...3910 Ω *)
-20...+70 °C
-40...+80 °C
< 95 %
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