I will upload the file of a principle of the logic that I want to apply. The first photocell is occupied and the previous motor stopped that I have achieved it but later at the intersection I have put two photocells and in that section there can only be a single object. If an object reaches photocell P3, the next one if this intersection of two photocells if is occuped conveyor2 would stop until it leaves the P3. I upload the model to make it clearer
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You can use the Area Restriction options in the Photo Eye triggers. By default, those stop the individual item, but you can change the code to have them stop a motor instead.
This does cause a potential issue though. There must be enough space between items for the entering item to reach the transfer point before the conveyor gets stopped again or the system will lock up.
The motor is made to stop all conveyors connected to it with an "A-connection". You do not need to set triggers on it.
And the restricted area solution does not work for me since there is a moment when the motor stops and the restricted area section does not work.
Yes, as I said, you need to make sure that there is enough space between two items.
Or the transfer section needs to be a separate conveyor object, so it does not stop when an item waits at the PE.
All you have to do to get it to work is to move the first Photo Eye closer to the transfer between the first and the second conveyor (less than one item length). It will then guarantee a gap of at least on item length between items.
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