ProMinent DULCOMETER diaLog DACb User Manual

Function: A monodirectional [control] operates in only one of two possible directions (increase OR
decrease measured value).
Application: This affects, for example, a disinfection process, in which chlorine is added to water.
The incoming water has a chlorine concentration of 0 ppm and is to be adjusted to 0.5 ppm by the
addition of sodium-calcium hypochlorite. The addition of sodium-calcium hypochlorite increases the
measured value.
Valu epHControl variable
Positive deviation
Setpoint
Negative control variable
Time
Time
A1470
Fig. 85: Control type PID monodirectional, pH-lowering direction
Setting the [Control]
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ProMinent DULCOMETER diaLog DACb Specifications

General

Brand	ProMinent
Model	DULCOMETER diaLog DACb
Category	Controller
Language	English