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Text version of the page
2/13
2
Automation 02.07.2008
Safety Barriers
Standard Applications
9002/34-280-000-001
Selection Table
Description Order number
Application 4-wire transmitter
Field circuit floating
Diagram
09951E02
Nominal values
Operating current IN = 0 ... 22 mA
Load RL ( 750 O
Maximum
voltage drop of
the safety barrier
ăUmax ( 3.5 V
Safety values
Maximum voltage Uo = 28 V
Maximum current Io = 0 mA
Maximum permissible
external inductance
The inductance is determined by the maximum current of the transmitter
Maximum permissible
external capacitance Co
IIC
0.083 mF
IIB
0.65 mF
Maximum power Po = 0 mW
Application note This circuit requires an isolated input. For non-isolated inputs
(RL connected to PA) use the safety barrier 9001/03-280-000-001.
Note Further technical data see page 66
4 ... 20 mA
9002/34-280-000-001
Hazardous area Safe area