West Control Solutions SG 45 - Manual (Page 26)

6.4 Filter
A 1st order mathematical filter with adjustable time constant and bandwidth is built in.
The filter bandwidth b.F1 is the adjustable tolerance around the measured value within which the filter is active.
Measurement value changes in excess of the adjusted bandwidth are not filtered.
6.5 Substitue value for inputs
If a substitute value for an input is activated, this value is used for further calculation with a sensor fault, independent
of the selected input function. The selected controller output reaction on sensor fault, configuration FAIL, is omitted.
With factory setting, the substitute value is switched off.
a
Before activation of a substitute value In.F, the effect on the control loop must be considered.
6.6 Input forcing
Setting f.AIx = 1 (only via BlueControl
®
) can be used for configuring the input for value entry via the interface (=forc -
ing).
a
Please, check the effect on the control loop in case of failure of input value / communication and
exceeded measuring range.
+
Tip: The selected unit can be displayed on line 2.
Functions
26 Filter SG 45
b.F
x
t
Output
Input