Function
Button/Display
Part
User-defined CV (controlled variable) value
for pH PID controller output. Text box for in-
put and output.
Note:
In Manual mode, the Manual CV value is used
as CV.
Manual CV
5
Note:
Only shown in Manual mode.
Deadband value, text box for input and out-
put.
Deadband
6
When the pH value (process variable, PV) is
within the deadband range from SP, the PID
controller does not act.
Button for setting the mixer pH PID control
to Auto or Manual mode.
(PID Mode) Auto
7
•
If Auto is displayed, the mixer is in Auto
mode.
•
If Manual is displayed, the mixer is in
Manual mode.
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
Factory default values for the parameters on the pH PID Settings screen are suitable
for most applications.
112
Xcellerex XDUO 2500 Mixer Operating Instructions 29146667 AH
4 User interface
4.5 Detail screens
4.5.2 pH screens
