Hi,

I have popups being triggered by DEF level at 0, 5, 10 and 15 %. I would like them not to popup when I'm refilling the tank. I did build my program in Activity Program, see picture.
Any ideas?

Mario

Hello verschuren,

Nice activity program!

I would think the user would want to see the pop ups as the levels change no matter if they are depleting the tank or filling it. If the tank is low at whatever level, they need to see the status. Just my opinion.:)

What ideas have tried? You could try using a flag variable, but when do you set it?

Hi Sara,

I think it would not be a big deal either, but some people think it's annoying. I was thinking to use a filter and tried to put one in front of the multi decision block. It's just a timer of maybe a minute? I was hoping to delay it long enough to avoid a popup during fill up, but short enough to still be relatively responsive once it the tank goes empty. Length of the timer should be determined with some testing.

Is there a delay timer function that I can just put in front of the multi decision block? It seems to fire the event right away with what I tried.

Hi verschuren,

Activity programs are processed from start to stop, no time slicing or multiprocessing, so timers IN an activity program can be a problem. If you put a five minute timer in an activity program, everthing on the display waits on the timer to end.

Try putting the timer on the Run On Event that initiates the activity program.

Another way might be to check whether the tank level is increasing or decreasing. You would need to account for the tank sloshing.

I already have a timer on the run on event. This will make the popup reappear after a couple minutes, so the operator gets a reminder.

I would be more interested in checking if the tank level is increasing. How would I accomplish that?

Hello verschuren,

You will need some method of keeping track of the levels in the tank over some period of time. If you are configuring a color display, you can use a list. If you have a monochrome display you would need multiple database variables.

Maybe someone has an efficient design to accomplish what you need?

If anyone has a nice example, let me know. I'm using a color display, the PV480.