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Text version of the page
2/25
2
Automation 02.07.2008
Safety Barriers
Standard Applications
9002/11-130-360-001
9002/11-120-024-001
Selection Table
Description Order number
Application Strain gauge load cell 350 O
6 wire + 10 V field circuit floating
Diagram
11010E02
Nominal values
Operating voltage UN ( + 10 V
Voltage for strain
gauge load cell and
wire
UL (at UN = + 10 V)
Current for strain
gauge load cell
IL (bei UN = + 10 V)
Strain gauge load cell
Number
Resistance RL
350 O
UL
(V)
IL
(mA)
1234
7.7
6.2
5.2
4.5
22
35
44,5
51
Safety values
Maximum voltage Uo = 13 V
Maximum current Io = 408 mA
Maximum permissible
external inductance Lo
IIC
0.18 mH
IIB
0.7 mH
Maximum permissible
external capacitance Co
IIC
1.0 mF
IIB
6.2 mF
Maximum power Po = 1.2 W
Application note With 4-wire connection (without sense) the respective safety barrier is not
needed. Nominal values remain unchanged; safety maximum current is
reduced to Io = 384 mA, and maximum power to Po = 1.13 W.
Note Further technical data see page 49
Hazardous area Safe area
9002/11-130-360-001
9002/11-120-024-001
9002/11-120-024-001
+10 V
0 V