ProfiLux 4 Programming Guide
EN 2017-02-06 16
After 1 to 30 seconds is switched off
Cycle starts from the beginning
After that, you can enter the number of Switching cycles per day (0 up to 8; 0 means that this
timer is not active)
After setting the switching cycles, enter the Day mode:
Days of week
Here you can set the weekdays to be switched. A marked box means "Switching active on this
weekday", an empty box means "inactive ".
Interval of days
Here, the number of days after which the switching cycle is to be repeated is set, 1 day
means a daily switching cycle. After that you can set in how many days the switching shall be
started.
If you have selected a dosing switching mode, you must also enter the flow rate in ml /
minute.
Here, the actual pump power is needed. Based on this information, ProfiLux 4 calculates the
switch-on times of the dosing pump.
Changing this setting does not affect the pump performance - this is predefined by the pump
mechanism!
For an automatic dosing, you must also adjust the Rate per dosing.
A timer can activate a feeding pause, see at Extras-> Feeding pause.
The dosing amount per day corresponds to the Dosings/day and Rate/Dose.
For example, 4 doses per day with 10ml per dose will result in 40ml being
dosed per day.
Alternatively, you can also use a timer or a controller (e.g. pH-value or
conductivity) to control a dosing pump.
Due to tolerances, a pump’s flow rate on the data sheet can deviate from
the reality. To achieve the highest possible level of dosing accuracy, we
recommend you measure the actual flow rate of a pump (let pump run for 1
minute and measure the quantity of fluid pumped in this time) and set the
result of this measurement in Flow rate.
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