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Kari Payton asked Matt Long commented

Crane Task Sequence

How can I use a crane resource to perform a task sequence (loading and unloading) objects in process flow?

crane-process-flow-autosave.fsm

FlexSim 16.1.1
process flowtask sequencecranetravel to loc
5 |100000

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Matt Long avatar image
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Matt Long answered Matt Long commented

The issue in your model is that your Load task is referencing Label: item but that item doesn't exist on your token. If you look at the error displayed, Involved1 is NULL. The documentation for the Task Type Load shows that Involved 1 should be a reference to the loaded item.

It's also important to understand that objects like the Crane and ASRS don't perform travel the same as the Operator or Transporter. All travel performed by the Crane is offset travel, meaning the Travel Task Sequence activity will have no affect. If you specifically want to control where the crane is moving (as opposed to using a Load task and allow the Crane to move in a direct line to pick up the item), then you need to use a Travel to Loc Task Sequence activity.

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Kari Payton avatar image Kari Payton commented ·

Hi @Matt Long. I am having a similar issue again. Seems like it is very simple, but something is causing the flow to stop on "Travel". I acquired a resource that is linked directly to the crane in the 3D space, but it is not moving. I also have the custom task to set the crane to processing, and that is not working either. Maybe it is the way I am acquiring the resource?

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Matt Long avatar image Matt Long Kari Payton commented ·

Post your model in a new question and we'll take a look.

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Kari Payton avatar image Kari Payton Matt Long commented ·

It says my model is too big to post. Could I send on google drive?

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