II
ABB i-bus
®
EIB / KNX
An example:
If the measurement range is not fully used, the conditions for the measured
value out of range communication object change. A sensor with the following
properties should be connected to the analog input.
Signalausgang:
0 – 1000 Ohm
Signal output:
0 – 1000 ohms
Measurement range:
0…100 %
Measurement curve:
linear
Defined measurement range: less than 10 % and over 90 % should
not be evaluated, i.e. upper measurement
limit is about 90 % (900 ohms).
Fig. I:
100% Measurement curve
Fig. II:
Evaluable measurement curve
Output signal in per
cent
Measuring range in ohm
100% Measurement curve
0,00
10,00
20,00
30,00
40,00
50,00
60,00
70,00
80,00
90,00
100,00
0,00
100,00
200,00
300,00
400,00
500,00
600,00
700,00
800,00
900,00
1000,00
0
10
20
30
40
50
60
70
80
90
100
0
100
200
300
400
500
600
700
800
900
1000
Output signal in per
c
ent
Measuring range in ohm
Evaluable measurement curve
Appendix