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waiting times

Hi Sim Superusers,

 

Quick question. What are the possible waiting times an object can be in? In the atttached screenshot, i see the waiting time as some value, but i do not see, if it waiting for MU or resources or something else. 

 

Please share your thoughts. 

 

Thank you!

 

Karthik 

16 REPLIES 16

Re: waiting times

Legend
Legend

Hi @KarthikMurugan

 

i thing, singleproc is waiting for MUs.

Singleproc is resource itself. when you want to change equipment on that singleproc,for that you have to assign some setup time.

 

thanks

Re: waiting times

Hi @Niks1

 

But why is it showing that Waiting for MUs is zero at the bottom? Doesnot make sense to me, as total waiting time has some value, and breakdown for the watiing time at the bottom has all zero. 

 

This is not helping in finding the root cause. 

 

MUs and Parts are same, from what i understand. 

 

Thank you!

Re: waiting times

Phenom
Phenom

Have a look in the help file:

 

Unbenannt1.PNGUnbenannt.PNG

Re: waiting times

Hi,

 

Understood. But please see the picture attached. The waiting times for Main MU is zero always, and the mounting parts are stored in a buffer already, but still I am seeing waiting times. 

 

How could we find the root cause here?

 

Thank you!

Re: waiting times

Phenom
Phenom

Station A16 is the second last station.

 

 So it has to wait several cycles (during warm up)

 

until its fed with the first main part ( from A15). 

 

By resetting the statistics after populating the model (warm up)  you can eliminate

 

this kind of waiting statistic.

 

Or.

 

A16 has a lower cycle time ( is faster) as the predecessors stations and has to wait

 

for the next part provided by the  slower predecessors.

Re: waiting times

Hi @simulator

 

Got you!!! Thats right, the object has to wait until first part. 

 

Is there a way, i can eliminate the first part waiting time from stats, so that I can see the actual waiting times once line is stabilized?

 

Thank you!!

Re: waiting times

Phenom
Phenom

Have a look at the eventcontroller.

 

Here you can set a time at which the statistics will be reset.

 

 

Unbenannt.PNG

Re: waiting times

Thats nice! I tried that option, and looks like its not re setting. May be I missed something here. Could you please see picture attached?

Re: waiting times

Phenom
Phenom

How much time does it take for the first part to reach the A16 station ?

 

In any case set the time stamp for resetting the statistics to 1 day (1:00:00:00)