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Text version of the page
2/20
2
Automation 02.07.2008
Safety Barriers
Standard Applications
9002/77-093-300-001
Selection Table
Description Order number
Application Thermocouples, AC-sensors
Field circuit floating
Diagram
09958E02
Nominal values
Maximum end-to-end
resistance of the
safety barrier
Rmax = 2 x 82.1 O
Voltage of sensor U ( ± 4 Veff / 6 Vpp
Safety values
Maximum voltage Uo = 9.3 V
Maximum current Io = 300 mA
Maximum permissible
external inductance Lo
IIC
0.2 mH
IIB
1.8 mH
Maximum permissible
external capacitance Co
IIC
4.1 mF
IIB
31 mF
Note Further technical data see page 61
Hazardous area
9002/77-093-300-001
Safe area
Voltage
Input