Eaton easy500, easy700, Руководство по эксплуатации, Страница: 44 / 240

2 Installation
2.5 Connecting inputs
40
Operating instructions 05/10 MN05013003Z-EN www.eaton.com
2.5.3.6 Temperature sensor,  -DA,  -DC
Figure 24: Connection of the temperature sensor, analog input
2.5.3.7 20 mA sensor
4 to 20 mA (0 to 20 mA) sensors can be connected easily without any
problem using an external 500
Ω
resistor.
Figure 25: Connection 0 (4) to 20 mA sensor output, analog input
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 Ω x 10 mA
~
4.8 V).
+24 V
–0 V
Out
0...10 V
–35...55 ˚C
I7 +...V
L 0 V
N 0 V
N
F1
L01
⫹
F1
L01
⫺
햲
500
4...20 mA
I7 +...V 0 V 0 V
DC : +24 V
DA : +12 V