This is used to convert device value to actual value.
Min, Max does not allow empty.
If min is 0 and max is 1 are set, device value will not
convert.
In case of WAGO Ai or Ao is used, min and max have
to set actual min and max value.
For example: CO2 sensor which min value is 400 and
max value is 5000. Then min has to set to 400 and max
set to 5000.