Moeller EC4-200 - Temperature Sensor; 20 Ma Sensor

05/06 AWB2724-1584GB
Connecting analog inputs
19
Temperature sensor 20 mA sensor
A 4 to 20 mA (0 to 20 mA) sensor can be connected easily with 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)
Figure 17: Temperature sensor
+24 V H
0 V
Out
0...10 V
–35...55 ˚C
+24 V H
0 V
Out
0...10 V
–35...55 ˚C
L01⫹
L01⫺
I724 V 0 V
F1
I60 V I2I1 I4I3 I5 I8 I10I9 I12I11 0 V
Figure 18: 20 mA sensor
a Analog sensor
L01⫹
F1
L01⫺
a
500 O
4...20 mA
I724 V 0 V0 V I2I1 I4I3 I6I5
...