Sorting conveyor

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question

Juan S4 asked Jun 02 2020 at 11:34 AM tannerp edited Jun 04 2020 at 5:35 PM

Sorting conveyor

2020.06.02.01.fsmGood day. I have a model with a sorting conveyor that sorts boxes to different lanes by item type. When my lane number 1 accumulates until the build back Photo Eye is blocked then I want the parcels destined for this lane to bypass this divert lane number 1 and to continue going straight until the Build back accumulation Photo Eye is cleared again. Model is attached. Do not worry about how the full lane will become empty - that is part of my other simulation already which is under control. I would really appreciate any help. I have searched these answers already without luck and tried many methods without luck. Thanks. Regards Juan.

Software Version:

FlexSim 20.1.2

flexsim 20.1.2 sorting conveyor

2020060201.fsm (40.3 KiB)

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Answer 1 · 2020-06-02T13:21:40Z

Braydn T answered Jun 02 2020 at 1:21 PM tannerp edited Jun 04 2020 at 5:35 PM

@Juan S4

You can add another conditional operator to the trigger in the decision point. In this case, I just added a global variable, and change it when the photo eye is blocked or cleared. sortingFixed.fsm

sortingfixed.fsm (40.7 KiB)

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Juan S4 commented · Jun 02 2020 at 2:03 PM

Hi Braydn, thanks so much for assisting me. This works perfectly. :)Thanks again.

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Juan S4 commented · Jun 03 2020 at 2:23 PM

@Braydn T Hi Braydn, I have another 2 questions for you please. Question 1: I tried continuing with your solution and to apply the same functions to the other sorting lanes with the build back PE being active on each of them but was unable to get it right and I wanted to ask if you could help me please - see attached Model C -- I was trying to understand. Question 2: On my other Model A & B attached I added a light beacon that illuminates red when a lane gets full enough that boxes block the initial PE, then the light beacon goes green when the PE is clear. I wanted to know if you know how to call operators to prioritize the unloading of a certain conveyor lane based upon it's light beacon being red (in other words the conveyor has items accumulated until the point that the PE is blocked)? Basically having operators keep the lanes from filling up to the PE that makes the beacon go red. Thanks, best regards Juan.2020.06.02.03 Model C.fsm

2020.06.02.03 Model A & B.fsm

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2020060203-model-c.fsm (38.8 KiB)

2020060203-model-a-b.fsm (89.0 KiB)

Braydn T Juan S4 commented · Jun 03 2020 at 2:32 PM

@Juan S4

What exactly is wrong with model c?

I wouldn't make the trigger a beacon being red, I would just create the task sequences for the conveyor lanes and give a higher priority to the PE lane.

Here are some resources for task sequences and priority:

https://docs.flexsim.com/en/20.1/Tutorials/TaskLogic/Tutorial1TaskLogicTools/1-2TasksProcessFlow/

https://answers.flexsim.com/questions/81783/task-sequence-priority-value.html

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Juan S4 Braydn T commented · Jun 03 2020 at 4:21 PM

@Braydn T Hi Braydn, thanks for the reply. I will check out your suggestions / resources. Regarding Model C, the problem is once a lane fills up to block the build back PE then the boxes destined for that lane as well as all the other lanes go straight to the dump sink. I intend for only the full lane to have it's parcels to go to the dump sink until the PE is clear again. Thanks.

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