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Felipe P2 avatar image
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Felipe P2 asked Joseph Gillespie edited

How to turn off a processor?

@Joseph Gillespie i would appreciate if you could help me out here. If not, maybe another colleague can.

I am working with this model (attached) and I´m trying to turn off processor Chipera for a few hours (intermitent). So far, the way i tried to achieve this is to set hourly rate 0 in the process time. However, the processor ends up receving the flowitem and processing it at very slow rate.

What I need is the processor to finish processing the flowitem that had recevied last and stop receving for the next hour, and resume its normal activity afterwards.

To sum up, i would like to know how to turn off a processor for certain hours.

pp-100-ton-v2.fsm

Does anyone know how to configure this?

Kind regards,

Felipe

FlexSim 19.1.0
process flowagv networkprocess timescheduled down
pp-100-ton-v2.fsm (82.9 KiB)
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1 Answer

Joseph Gillespie avatar image
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Joseph Gillespie answered Felipe P2 commented

@Felipe P2

You can do this using a Time Table:

You can attach a time table to fixed resources and operators in order to have them exhibit down behavior following a specific schedule:

In this time table I set it up so that the marked hours are the hours when Chipera is down (doesn't accept or process items). To fill out this table I had to set "Snap To" in the top left corner to "1 hour" so that it Chipera would shut down exactly on the hour and turn back on at the right time as well.

I also had to make a few changes to the Process Time schedule on Chipera:

When Chipera would shut down with an item on it, it would process extremely slowly after resuming. I assume this is because it was using the 0 items per hour processing time. By changing 3:00-4:00 and 6:00-7:00 (the times right after Chipera shuts down) to 700 I was able to fix this problem.

Here's your model with a time table for Chipera: chiperaanswer.fsm


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chiperaanswer.fsm (152.1 KiB)
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Felipe P2 avatar image Felipe P2 commented ·

Hi Joseph, thank you very much for your collaboration. I hadn´t worked with timetables before on flexsim.

But i can still see that when the model you attached is running and Chipera is supposed to be shut down, the flowitem is processed at very slow rate. This affects the "Idle" percentage. Do you think it would be possible to finish processing that flowitem with the rate corresponding to the previous hour and then stop accepting flowitems? So that we avoid that really slow process and prevent the "Idle" percentage to be affected.

Thank you very much.

Kind regards,

Felipe

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Joseph Gillespie avatar image Joseph Gillespie Felipe P2 commented ·

@Felipe P2

Chipera doesn't go into the "idle" state when it is shut down, it actually goes into the "Scheduled down" state. I've modified your "Estados chipera y logyard" chart to show Scheduled down, and you will see that Chipera spends the majority of its' time in "Scheduled down":

You can set the chart to show this by going to the Chart properties and setting scheduled down to "utilized":

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Felipe P2 avatar image Felipe P2 Joseph Gillespie commented ·

Oh I understand. Now it´s perfect. Thank you very much for your collaboration.

Kind regards,

Felipe

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