MVP 2021 Flex727 Posted September 12, 2015 MVP 2021 Report Share Posted September 12, 2015 I actually like the way Unitronics has distilled down all the possible timer types to 3 basic ones for simplicity. I haven't yet run across something I couldn't do with the 3 basic timers provided, however I have a simple question. What I need is a Delay timer that has an accumulated functionality (i.e. I want the timer to accumulate instead resetting each time it is activated). The issue I have is that when the timer finally does expire, I want it to reset at that point (a TA doesn't do that). A positive transition of the timer bit activating the timer reset function works fine (see below), but the compile always gives me this warning: "To improve performance, use Normally Open/Closed contacts instead of positive/negative transition contacts." I guess I can use a normally open contact since it will only be on for one PLC cycle, but why do I get this warning? TA1 TA1 --| P |-----( R ) Quote Link to comment Share on other sites More sharing options...
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