ProMinent DULCOPOOL Montage- Und Betriebsanleitung Seite 115

ORP measuring channel in upstream mode
Fig. 32: ORP measuring channel in upstream mode
1 Proportional value, e.g. 50 mV
2 Hysteresis value, e.g. 50 mV
I Measuring
II Proportional band
If the feeder assembly of the ORP measuring channel is configured in upstream mode, then this key
is used to select the value of the proportional band (1) or the hysteresis value (2) depending on the
type of control previously selected.
The control request is 100% if the error (setpoint measured value) in proportional mode is equal to
the proportional range (II). Reducing the value of the proportional band increases the metering con‐
trol for the same measured value.
If the error (setpoint measured value) in hysteresis mode is greater than the hysteresis value (V),
then the control request is 100%.
Hysteresis
Proportional
value
value
III Setpoint
IV Pump command
V Hysteresis
Operation and user interface
A2824
47