![]() Rung 10 causes it to halt as soon as the tank is full, because the tank starts off empty and the Low Level Switch I:1/3 is ON, latching your flag B3:1/3 TANK EMPTY. Put them in a logical order: Step 1 FILL, Step 2 MIX, Step 3 HEAT (apparently, but the original LogixPro exercise calls for heating before mixing - resolve this conflict), then LAST should be the Step 4 DRAIN.Īs is, you program cannot operate. That makes it hard to follow your non-logic. You have your steps jumbled up and out-of-order in the program. There should be no other conditions for O:2/6 other than NOT O:2/5.ģ. If it is NOT in RUN mode (O:2/5 RUN Lamp is OFF), then it is in IDLE mode and O:2/6 should be ON. The Batch Simulator is either in RUN mode, or it is not in RUN mode. This is a binary case of either ONE, or the OTHER, but never both. ![]() Rung 001: you do not need the parallel branch with I:1/3 Low Level Switch. This indicates that you do not know how the program works, and do not understand what each rung is supposed to do.Ģ. No rung comments, a sure way to knock off 10 points!. I see a few things that I would use to reduce your homework score.ġ.
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