Parameterization and operation – Hach-Lange WTOS P-RTC User Manual
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Parameterization and operation
2-channel closed-loop control
CONFIGURE
SELECT SENSOR
Select the sensors installed for the closed-loop control (see
CLOSED-LOOP
CHANNEL 1
SETPOINT PO4-P
Desired orthophosphate value in effluent (refer to
) [mg/L]
GAIN P CONTR.
Proportional gain of the closed-loop control (refer to
)
INTEGRALTIME
Integral time of closed-loop control (refer to
)
[min]
DERIVATIVE TIME
Derivative time of closed-loop control (refer to
)
[min]
MIN DOS RATE
Minimum flow rate of dosing pump
[L/h]
PRESELECT PROG
Programs 1 to 4 (refer to
CHANNEL 2
SETPOINT PO4-P
Desired orthophosphate value in effluent (refer to
) [mg/L]
GAIN P CONTR.
Proportional gain of the closed-loop control (refer to
)
[%]
INTEGRALTIME
Integral time of closed-loop control (refer to
)
[%]
DERIVATIVE TIME
Derivative time of closed-loop control (refer to
)
MIN DOS RATE
Minimum flow rate of dosing pump
[L/h]
PRESELECT PROG
Programs 1 to 4 (refer to
PROFILE
Active
when a measurement signal fails
Q-PROFILE
Daily profiles (2 h average) of waste water influent according to feed measurement
signal
[m³/h]
DIST PROFILE
Percentage distribution of flow rate; input refers to channel 1.
[%]
P-PROFILE
Daily profiles of PO
4
-P concentrations, 2 h average (see
) [mg/L]
WEEK PROFILE
Percentage daily averages of the phosphate load (refer to
) [%]