ABB AE/S 4.2 Product Manual page 55

®
ABB i-bus EIB / KNX
Appendix
Upper measurement limit:
At more than 5 %, i.e. 5 % of 90 % => 4.5 % = 94.5 % => 945 ohms.
If 94.5 % is exceeded, the measured value out of range communication
object sends.
Up to the measured limit of 10 % the respective value is sent.
At more than 10 %, i.e. 10 % of 90 % => 9 % = 99 % => 990 ohms.
If 99 % is exceeded, 99 % is still sent.
Lower measurement limit:
At less than 5 %, i.e. 5 % of 10 % => 0.5 % = 9.5 % => 95 ohms. If 9.5 % is
undershot, the measured value out of range communication object sends.
Up to the measured limit of 10 % the respective value is sent.
At less than 10 %, i.e. 10 % of 10 % => 1 % = 9 % => 90 ohms. If 9 % is
undershot, 9 % is still sent.
100
90
80
70
60
50
40
30
20
10
0
0 100 200
Fig. III: Measurement curve with measurement limits
Measurement curve with measurement limits
300 400 500 600
Measuring range in ohm
700 800 900 1000
III