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Text version of the page
2/23
2
Automation 02.07.2008
Safety Barriers
Standard Applications
9002/22-032-300-111
Selection Table
Description Order number
Application Pt100, 4-wire-connection
Field circuit floating
Diagram
09959E02
Nominal values
Operating voltage UN ( 1.4 V
End-to-end
resistance of the
safety barrier
R = 2 x (20 O ± 0.1 O)
Measurement range ( 400 °C (IN ( 5 mA)
( 850 °C (IN ( 3 mA)
Safety values
Maximum voltage Uo = 10.9 V
Maximum current Io = 340 mA
Maximum permissible
external inductance Lo
IIC
0.18 mH
IIB
1.45 mH
Maximum permissible
external capacitance Co
IIC
2.05 mF
IIB
14.4 mF
Note Further technical data see page 54
Hazardous area
9002/22-032-300-111
Safe area
RTD
Input
T