Connecting inputs
59
1SVC 440 795 M1100
Temperature sensor, brightness sensor, 20 mA sensor
Figure: 42: Temperature sensor, brightness sensor, 20 mA
sensor
4 to 20 mA (0 to 20 mA) sensors can be connected easily
without any problem using an external 500 O resistor.
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–
> 1 A
L01+
I1 I3 I4 I7 I8 I9 I10
L02+
I2 I5 I6 I11
I12
+24V 0V 0V
0...10 V
0 V
+12 V
h
H
+24 V H
0 V
Out
0...10 V
–35...55 ˚C
a
500 O
4...20 mA
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