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Advanced Operations
Figure 53 shows the output value depending on the input current, the set low value and
the set high value with an input range of 4
–20 mA.
The output value (OV) is determined according to formula (4):
(4)
where:
OV=Output value
IC=Input current
LV=Low value
HV=High value
Figure 53 Output value with an input range of 4
–20 mA
1 Output value (concentration) (y-axis) 5 4 mA
2 OV=f(IC) 6 0 mA
3 Input current (x-axis) 7 Low value (LV)
4 20 mA 8 High value (HV)
OV f(IC)
HV-LV
16mA
-----------------
(IC-4mA)× LV+==