FunctionButton/DisplayPart
User-defined deadband value.Deadband5
When the pH value (process variable, PV) is
within the deadband range from SP, the
pumps do not operate.
Toggle button to select the control mode.Auto/Manual6
User-defined PID tuning parameters.P-Term (proportional)7
I-Term (integral)
D-Term (derivative)
Pump speed displays (controlled variable, CV)
for the acid pump and the base pump. Shown
in % of total pump speed range.
SC_201 Acid PID CV
SC_202 Base PID CV
8
1
Only shown in Manual mode.
Factory default values for the parameters on the pH PID Settings screen are suitable
for most applications.
106 Xcellerex XDM 50-1000, XDUO 100-1000 mixers Operating Instructions 29251615 AD
4 User interface
4.4 Detail screens
4.4.4 pH screens
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