I am modelling a picker that pulls tubes from a rack and transfers them to another rack. i cant figure out how to get the crane to pick the (just one) tube out of the rack container and place it into another container stored within a floor storage. i have tried a subflow but i cant get my event source to work. currently im using the photo eye to send to destination and use crane as transport. everything works when i take the container out of the equation, but that leads to new problems.
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I couldn't really see much to go on in your model so created an object process flow for the crane to do what I think you wanted.
I added a decision point on the conveyor to stop the item - not sure if that's good for your application. The crane flow's event trigger source listens to the decision point arrival event. It could also listen to a photo-eye event I guess.
In the crane's flow, I've created two assign label activities to show how to pick one vs. picking all at once "Add alltubes" and "Add one tube" - you can just switch the connectors between the two to see the difference, and later somehow decide which tube(s) to pick in the logic that assigns the tubes label to the token.
When picking one tube, the load and unload activities of the crane use offset travel to move it to the tube - this happens in the background automatically so you don't need to look at locations.
When picking them all I move to the location of the each tube rack and then move all tubes to/from the crane - I add the locations
Hope that helps you. Model attached.
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