Connecting the inputs
51
05/04 AWB2528-1508GB
20 mA sensor
4 to 20 mA (0 to 20 mA) sensors can be connected easily
without any problem using an external 500
resistor.
Figure 25: Connection 0 (4) to 20 mA sensor output, analog input
Analog sensor
The following values apply:
• 4 mA = 1.9 V
• 10 mA = 4.8 V
• 20 mA = 9.5 V
(Based on
U
=
R
I
= 478
10 mA
苲
4.8 V).
Connecting high-speed counters and frequency
generators
High-speed counter signals and frequencies on the easy-DA
and easy-DA can be counted accurately on inputs I1 to I4
independently of the cycle time. These inputs are
permanently assigned to counters.
The following applies:
• I1 = C13 high-speed up/down counter
• I2 = C14 high-speed up/down counter
L01
F1
L01
햲
500
4...20 mA
I7
+...V
0 V
0 V
DC : +24 V
DA : +12 V
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