User Manual

Installation
48
08/04 AWB2528-1423GB
20 A sensor
4 to 20 mA (0 to 20 mA) sensors can be connected easily
without any problem using an external 500 O resistor.
Figure 23: 20 A sensor
a Analog sensor
The following values apply:
•4 mA = 1.9 V
• 10 mA = 4.8 V
• 20 mA = 9.5 V
(according to U = R x I = 478 O x 10 mA ~ 4.8 V)
L01⫹
F1
L01⫺
a
500 O
4...20 mA
I724 V 0 V0 V
I2I1 I4I3 I6I5
...