Programming: If pH >8.5, then Kalk/ATO off for 90 minutes

[Jim E.]

P3 eX, FW o; 5.0.0.11.

I run kalkwasser (w/vinegar) through my ATO via a 25 gallon reservoir and I would like to program a pH safety. My nominal value is 8.1; max deviation +/- 3.

If pH >8.5 I would like the ATO to switch off and remain off for at least 90 minutes.

This is how I programmed in my old controller:

If pH > 08.50 Then ATO OFF
If pH > 08.60 Then ALM ON

How would I program a similar function in the Profilux?

Thanks in advance.

[Matthias]

assuming you use levelsensor 1 for ATO:
- set level 1 mode to ATO

then continue with programmable logic:
Logic 1: Input1 = Water 1, Input 2 = pH1 upwards, Function = AND (means: when level sensor has no contact to water AND pH1 has to be raised then be active)

now you also want a delay, therefore we have to use a second logic function:
Logic 2: Input = Logic 1, Function = Delayed On 5400 seconds

last step: assign function "Logic 2" to the socket

[Jim E.]

That is awesome... what an elegant solution. Profilux rocks.