VI. EXPLANATION OF OPERATION MODE SCREENS
Main:
This screen will display the residual value as well as the sample water temperature. If “Manual”,
“Auto” or “Monitor” is selected as the “pH Compensation Mode”, the main screen will also display the
pH value.
Alarm Status:
Displays any existing alarm conditions.
Turbidity:
This screen is present when one or more of the two Turbidity channels is enabled. It displays
Turbidity reading(s).
Control Operational:
This menu appears when the PID Control program is enabled. It displays the PID
Control Status (Manual or Auto), the Process Variable(s) and the Process Output. To change between “Auto”
and “Manual” control status, press the
button. When Compound Loop Control is in use, there will be two
Control Operation screens.
Set Dosage:
This menu appears when the PID Control program is enabled and the Control Mode is
selected as either Proportional or Compound Loop Control. This is an adjustable factor that is multiplied to
the
incoming fl ow signal.
Set Point RES/ORP:
This menu appears when the PID Control program is enabled and the Control Mode
is selected as either Residual or Compound Loop Control. This is an adjustable factor that represents the
desired value for residual (or ORP).
Set PO1:
This menu appears when the PID Control program is enabled and the control status is set to
“Manual”. On this screen, the control output can be changed by pressing the
and
buttons.
Skip to RES Span Cal?:
This screen allows a direct jump to the residual span cal screen (bypassing the
password). To pass this screen, press the
button twice or press the
button when the word “No” is
blinking.
Enter Password:
This screen allows access to the confi guration or PID Control menus. Enter the desired
password and then press the
button.
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