Good morning,

I am having some problems with my program regarding error 16#75D1 and one of the possible reasons is overflow in a safety-related variable. I tried adding +1 to a int variable but at the moment it reachs the max value it goes to the min value, so it never overflows. Could you tell me any way for causing overflow for a int variable in safety?

Thanks

Good morning Stefan,

Thanks for your answer, I think I did not explain it correctly. According to the #2 point regarding 16#75D1 error, when a variable overflows it cause this fault and PLC goes to STOP.

https://support.industry.siemens.com/cs/de/de/view/109783988/en

But testing the overflow, the 16#75D1 error does not appear and PLC does not STOP. So I would like to know the reason why this is not happening.

Best regards.