Stahl 9180, Operating Instruction

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Operating Instuctions English
14 Resistance Isolator Type 9180
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
CE marking
Ex marking
ATEX application area
Explosion protection marking
ATEX Testing authority and certificate number
IECEx Testing authority and certificate number
Ambient temperature range R. STAHL
9180/**-77-11
c
0158
e
II 3 (1) G und II (1) D
Ex nAc nCc [ia] IIC T4 und [Ex ia] IIIC
BVS 05 ATEX E 176 X
IECEx BVS 10.0055X
-
20 °C …
+70 °C
Safety data
Max. voltage U
o
Max. current I
o
Max. power P
o
Internal capacitance, C
i
/ inductance, L
i
Max. connectable capacitance, C
o
IIC / IIB
Max. connectable inductance, L
o
IIC / IIB
Insulation voltage U
m
6,5 V
16,5 mA
27 mW
negligible / negligible
25
μ
F / 570
μ
F
120 mH / 450mH
253 V
See EC-type examination certificate for further information and value combinations
Technical data (excerpted from the data sheet)
Power supply
Nominal voltage U
N
24 V DC
Nominal current (at U
N
and I
Amax
) 27 mA / 37 mA
Power consumption (when voltage = U
N
) 650 mW / 890 mW
I.S. input
Resistance thermometers as per IEC 60751
Resistance range 9180/*0-77-11
Pt 100
18…391 
9180/*1-77-11
Pt 1000
180...3910

Output
Sensor current
200 µA ... 5 mA
200 mA ... 2.5 mA
(< 2 V)
Ambient conditions
Operating temperature -20...+70 °C
Storage temperature -40...+80 °C
Relative humidity (no condensation) < 95 %
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.