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need some help with lighting project with plc

need some help with lighting project with plc

need some help with lighting project with plc

(OP)
I was asked to use a micro logic to control 5 lights/outputs, the only input is from a photo eye. I have the logic set up with the PE  triggering the  TOF and 5 outputs for the lights being triggered by 5 LIM. what i need this to do is once the PE is flagged the timer needs to time out regardless whether the PE is flagged during the count. What happens is during the count if the PE is flagged, the accumulation is reset to zero and begins to Accumulate again. any ideas on how to latch this timer  

RE: need some help with lighting project with plc

Your file is unreadable.

 

RE: need some help with lighting project with plc

(OP)
I can't seem to get the file to upload

 

RE: need some help with lighting project with plc

Run the PE into a self-resetable timer. (TM0)

Run the PE (NOT) into an accumulating timer (TM1) as an
Enable Bit

Use TM0 as the Reset bit for TM1

TM0 will act as a filter to prevent flashes from resetting everything else. i.e. The light on the PE must be ON some set period of time to be considered valid

Ed


 

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