question

Karen Geraldine S avatar image
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Karen Geraldine S asked Jason Lightfoot commented

Two photo eye or sensors blocked to control certain conveyor

Let's say we have photo eye (sensor) A on conveyor 1 and photo eye (sensor) B on conveyor 2.

Now, we'd like to stop conveyor 3 only if both sensors A and B are blocked at the same time.

Is this possible?

@jason.lightfoot

FlexSim 20.2.3
conveyorflexsim 20.2.3photo eyephotoeye
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Jason Lightfoot avatar image Jason Lightfoot ♦ commented ·

@Karen Geraldine S Now that you've posted this I see that you're on 20.2.3 - did you need an example in that version?

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Karen Geraldine S avatar image Karen Geraldine S Jason Lightfoot ♦ commented ·

Hi Jason, yes actually - I do. I just e-mailed you a while ago on the fact that I'm unable to open the 21.0 version in Flexsim 2020. Thank you!

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1 Answer

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Jason Lightfoot avatar image
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Jason Lightfoot answered Jason Lightfoot commented

Here's an example using an instanced process flow attached to the upstream photoeye which has labels to identify the conveyor to stop and the other photoeye to consider..

TwinPhotoEyesControlUpConveyor.fsm


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Jason Lightfoot avatar image Jason Lightfoot ♦ commented ·
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Karen Geraldine S avatar image Karen Geraldine S Jason Lightfoot ♦ commented ·
Perfect - thanks Jason!
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Jason Lightfoot avatar image Jason Lightfoot ♦ Jason Lightfoot ♦ commented ·

If you want to resume the stopped conveyor after just one of the photoeyes has cleared then just change the second pull on the right that is pulling ClearPEs so that the quantity is one.

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Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.