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Text version of the page
2/26
2
Automation 02.07.2008
Safety Barriers
Standard Applications
9002/13-199-225-001
9002/11-199-030-001
Selection Table
Description Order number
Application Strain gauge load cell 350 O or 700 O
6 wire + 16 V field circuit floating
Diagram
09963E02
Nominal values
Operating voltage UN ( + 16 V
Voltage for strain
gauge load cell and
wire
UL (at UN = + 16 V)
Current for strain
gauge load cell
IL (at UN = + 16 V)
Strain gauge load cell
Number
Resistance RL
350 O 700 O
UL
(V)
IL
(mA)
UL
(V)
IL
(mA)
1234
10.4
8.3
6.9
5.9
30
47
60
67
12.1
10.4
9.5
8.3
17
30
41
47
Safety values
Maximum voltage Uo = 19.9 V
Maximum current Io = 285 mA
Maximum permissible
external inductance Lo
IIC
0.2 mH
IIB
1.8 mH
Maximum permissible
external capacitance Co
IIC
0.223 mF
IIB
1.42 mF
Maximum power Po = 1.42 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 = 255 mA and maximum power to Po = 1.3 W.
Note Further technical data see page 49 (9002/1) / 57 (9002/13)
Hazardous area Safe area
9002/13-199-225-001
9002/11-199-030-001
9002/11-199-030-001
+16 V
0 V