Hi all,

I have a problem.

In a program I have a TOF Timer (Timer OFF) so when I give a pulse to the input, the timer output stays on for the set up time (in this case 30 minutes).

But when I receive another input I need to pause the timer (while the timer output stays on) and when this input goes down the timer restarts from where it stopped.

It's like a retentive TOF timer, can you please help me? I have no clue.

Thank you very much for the help.

P.S.  TIA Portal is V14 SP1 Pro and CPU used is S7-1500 Safety (6ES7 510-1SJ01-0AB0)

Hello Voltron,

you can use the function TONR.
This timer accumulate all the times.

The challenge is that you must change the input signal (invert) and must also invert the output of the timer. Then should it work.

Hope this is a helpful suggest.

regards
CaOd

Alternative solution would be to use a calculate block