I'm confused about how to make Queue2 pull the items by label(item.ID) on specific runtime from Rack. I have stored the require runtime and require item in globaltable("Require").
The attachments are as follows.Thanks.
Pull item by label on specific time
FlexSim 24.0.1
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Field "Pull Strategy" is not time based, it is port based. You return there from which input port this rack pulls items. Because you are using a descrete event simulation tool you must create events happening at your time values in your table. You can do this by messages. a message has a delay parameter. You can build messages on reset event of your model and send messages delayed by values of you table rows or you compute from current run time an actual delay to next event from row to row.
To iniatie a pull item action, you should have closed the input of your queue after a previous item has entered the queue. Then you update a label at your queue, which Type of item you want to pull. And finally you open the input on message event again in your queue.
Hi, @Joerg Vogel. Thanks for your reply.
I have referenced this article (https://answers.flexsim.com/questions/38111/process-item-on-specific-time.html?childToView=38134#answer-38134) which is similar to your description.
I used the method, but I found the transport schedule is not I supposed. In the current simulation, the transport order from Rack to Queue2 is 4>5>2>3>1, I supposed that the transport order from Rack to Queue2 is 5>4>2>3>1. And I found that the first loop isn't work of the Rack's "on massage" trigger. Can you help me to fix the error?Thanks alot.
@Rykou, this model works a bit differently. Items are released by a custom code in On Message trigger. And a new delayed sendmessage command activates itself again some time later. There is not a timed mechanism in a simple pull strategy function. As long as you do not implement a mechanism of releasing items timed from your rack, you won't see any progress. You can give each item a minimum dwell time, you can releasitems by command or you move items upon an timed event.
I don't understand the meaning of the top paragraph.Can you give an example about it ?Thanks in advance.
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