PCAN-MicroMod Mix 3 – User Manual
11
2.3
Measuring Range Extension for the
Analog Inputs
At delivery the analog inputs have a unipolar measuring range from
0 to 4.1 Volts. You can extend the measuring range of an analog
input with a voltage divider by soldering in a resistor (package 0603)
at the respectively marked position.
Figure 4: Resistor positions for the range extension
The resistor value R
x
to be used results from the desired maximum
voltage U
max
:
)
V
1
.
4
U
(
1
V
1
.
4
U
2400
R
max
max
x
>
−
Ω
=
Example values:
U
max
R
x
(rounded)
5 V
11 k
Ω
10 V
1.7 k
Ω
Resistor
position
Analog input
Ain x
6 Ain
6
7 Ain
7
4 Ain
4
5 Ain
5
2 Ain
2
3 Ain
3
0 Ain
0
1 Ain
1
